Award of Garden Merit Plants

Transcription

Award of Garden Merit Plants
The Royal Horticultural Society
Registered charity no: 222879
Award of Garden Merit 2003
excluding fruit & vegetables
Key
Hardiness ratings:
H1
H2
H3
H4
requires heated glass
requires unheated glass
hardy outside in some regions or particular situations,
or which need frost-free protection in winter
hardy throughout the British Isles
H1-2
H2-3
H3-4
H1+3
intermediate between H1 and H2
intermediate between H2 and H3
intermediate between H3 and H4
requires heated glass; may be grown outside
in summer
Please note: the hardiness rating is an integral part of the AGM, and should be included in any citation of the award.
After the plant name:
(v)
variegated
(f)
female
(F)
fruit
(D)
dessert
(d)
(m)
(C)
Abelia (Caprifoliaceae)
93
floribunda (H3)
× grandiflora (H4)
93
02
schumannii (H4)
Abies (Pinaceae)
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
02
02
93
balsamea Hudsonia Group (H4)
~ previously listed as A. balsamea f. hudsonia
concolor (H4)
—'Compacta' (H4)
koreana 'Silberlocke' (H4)
lasiocarpa var. arizonica 'Compacta' (H4)
nordmanniana (H4)
—'Golden Spreader' (H4)
pinsapo 'Glauca' (H4)
procera (H4)
99
93
93
93
93
99
baileyana (H2)
—'Purpurea' (H2)
dealbata (H2)
paradoxa (H2)
pravissima (H2-3)
retinodes (H2)
Acaena (Rosaceae)
93
microphylla (H4)
Acalypha (Euphorbiaceae)
02
93
brevifolia (H1)
~ min. 2C
02
Abutilon (Malvaceae)
93
93
93
93
99
'Souvenir de Bonn' (v) (H2)
× suntense 'Jermyns' (H3)
vitifolium 'Tennant's White' (H3)
—'Veronica Tennant' (H3)
Acacia (Mimosaceae)
Abromeitiella (Bromeliaceae)
93
double-flowered
male
culinary
'Canary Bird' (H2)
'Cannington Carol' (V) (H2)
'Cannington Peter' (v) (H2)
'Kentish Belle' (H2-3)
'Linda Vista Peach' (H2)
~ as a pot plant for the glasshouse
'Marion' (H2)
megapotamicum (H3)
× milleri (H2)
'Nabob' (H2)
'Orange Glow' (v) (H2)
~ foliage mottled
'Savitzii' (v) (H2)
~ as a foliage plant for summer bedding and
cultivation under glass
02
02
hispaniolae (H1)
~ min. 15C
hispida (H1)
~ min. 15C
wilkesiana 'Hoffmannii' (H1)
~ min. 15C
—'Marginata' (H1)
~ min. 15C
—'Musaica' (H1)
~ min. 15C
Acanthus (Acanthaceae)
93
spinosus (H4)
Acer (Aceraceae)
93
93
93
93
93
93
93
1
campestre (H4)
capillipes (H4)
cappadocicum 'Aureum' (H4)
—'Rubrum' (H4)
davidii 'George Forrest' (H4)
—'Serpentine' (H4)
griseum (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
93
93
93
93
93
93
93
93
02
02
93
93
93
02
93
93
93
93
93
93
93
93
02
grosseri var. hersii (H4)
japonicum 'Aconitifolium' (H4)
—'Vitifolium' (H4)
palmatum 'Bloodgood' (H4)
—'Burgundy Lace' (H4)
—'Chitoseyama' (H4)
—var. dissectum (H4)
——'Crimson Queen' (H4)
——'Garnet' (H4)
——'Inaba-shidare' (H4)
——'Seiryû' (H4)
—'Katsura' (H4)
—'Nigrum' (H4)
—'Osakazuki' (H4)
—'Red Pygmy' (H4)
—'Sango-kaku' (H4)
—'Trompenburg' (H4)
pensylvanicum (H4)
platanoides (H4)
—'Crimson King' (H4)
—'Schwedleri' (H4)
pseudoplatanus 'Brilliantissimum' (H4)
rubrum 'October Glory' (H4)
rufinerve (H4)
shirasawanum 'Aureum' (H4)
triflorum (H4)
02
Aconitum (Ranunculaceae)
93
93
02
93
93
99
99
93
99
99
99
99
99
93
99
99
99
99
99
93
99
99
99
93
93
93
93
93
02
ageratifolia (H4)
'Belle Epoque' (H4)
'Christine's Pink' (H4)
'Coronation Gold' (H4)
~ re-confirmed 1999 after trial
'Credo' (H4)
filipendulina 'Cloth of Gold' (H4)
—'Gold Plate' (H4)
~ re-confirmed 1999 after trial
—'Parker's Variety' (H4)
'Heidi' (H4)
'Helios' (H4)
'Hella Glashoff' (H4)
'Lachsschönheit' (H4)
× lewisii 'King Edward' (H4)
'Lucky Break' (H4)
'Martina' (H4)
millefolium 'Kelwayi' (H4)
—'Lansdorferglut' (H4)
'Mondpagode' (H4)
'Moonshine' (H3)
ptarmica 'Aunt Stientje' (H4)
—(The Pearl Group) 'The Pearl' (clonal) (d)
(H4)
'Summerwine' (H4)
tomentosa (H4)
93
02
02
kolomikta (H4)
Adenium (Apocynaceae)
02
obesum (H1)
~ min. 10C; shrubby
Adiantum (Adiantaceae)
97
97
97
93
97
97
97
93
02
93
aleuticum (H4)
—'Subpumilum' (H4)
~ previously listed as A. aleuticum var.
subpumilum
× mairisii (H3)
~ sterile, needs vegetative propagation
pedatum (H4)
raddianum (H2)
—'Brilliantelse' (H2)
—'Fritz Lüthi' (H2)
—'Kensington Gem' (H1)
~ min. 10C
tenerum 'Farleyense' (H1)
~ min. 10C
venustum (H4)
Aechmea (Bromeliaceae)
93
'Inferno' (H1)
~ min. 10C
93
Achimenes (Gesneriaceae)
02
matsumurae 'Elstead' (H4)
~ previously listed as Cimicifuga simplex var.
matsumurae 'Elstead'; dislikes lime
pachypoda (H4)
~ awarded as A. alba; dislikes lime
racemosa (H4)
~ previously listed as Cimicifuga racemosa;
dislikes lime
rubra (H4)
~ dislikes lime
simplex (Atropurpurea Group) 'Brunette' (H4)
~ dislikes lime
Actinidia (Actinidiaceae)
× Achimenantha (Gesneriaceae)
02
'Bressingham Spire' (H4)
~ likes moist soil
× cammarum 'Bicolor' (H4)
~ likes moist soil
carmichaelii 'Arendsii' (H4)
—(Wilsonii Group) 'Kelmscott' (H4)
~ likes moist soil
'Spark's Variety' (H4)
~ likes moist soil
Actaea (Ranunculaceae)
Achillea (Asteraceae)
93
99
99
93
~ min. 10C
'Stan's Delight' (d) (H1)
~ min. 10C
93
'Ambroise Verschaffelt' (H1)
~ min. 10C
'Hilda Michelssen' (H1)
~ min. 10C
'Paul Arnold' (H1)
93
93
2
chantinii (H1)
~ min. 10C
fasciata (H1)
~ min. 10C
Foster's Favorite Group (H1)
~ min. 10C
fulgens var. discolor (H1)
~ min. 10C
nudicaulis (H1)
~ min. 10C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
orlandiana (H1)
~ min. 10C
racinae (H1)
~ min. 10C
'Royal Wine' (H1)
~ min. 10C
Agave (Agavaceae)
94
94
94
Aeonium (Crassulaceae)
93
93
93
93
93
93
arboreum (H1)
~ min. 2C
—'Atropurpureum' (H1)
~ min. 2C
haworthii (H1)
~ min. 2C
tabuliforme (H1)
~ min. 2C
undulatum (H1)
~ min. 2C
'Zwartkop' (H1)
~ min. 2C
94
94
94
94
94
02
Aeschynanthus (Gesneriaceae)
93
93
02
93
94
longicaulis (H1)
~ min. 15C
pulcher (H1)
~ min. 15C
radicans (H1)
~ min. 15C
speciosus (H1)
~ min. 15C
Ageratum (Asteraceae)
95
95
93
02
93
02
Aesculus (Hippocastanaceae)
93
93
93
93
02
93
93
93
× carnea 'Briotii' (H4)
flava (H4)
hippocastanum (H4)
—'Baumannii' (d) (H4)
indica 'Sydney Pearce' (H4)
× neglecta 'Erythroblastos' (H4)
parviflora (H4)
pavia (H4)
02
93
93
93
93
93
93
93
93
93
× domesticum 'Variegatum' (v) (H1)
~ min. 10C
Aira (Poaceae)
95
africanus (H1)
~ min. 2C
—'Albus' (H1)
~ min. 2C
campanulatus subsp. patens (H3)
caulescens (H1)
~ min. 2C
'Loch Hope' (H3)
praecox subsp. praecox 'Variegatus' (v) (H1)
~ min. 2C
elegantissima (H3)
~ annual grass for drying
Ajuga (Lamiaceae)
93
reptans 'Catlin's Giant' (H4)
Albizia (Mimosaceae)
93
julibrissin f. rosea (H2-3)
Alchemilla (Rosaceae)
93
93
erythropoda (H4)
mollis (H4)
Allamanda (Apocynaceae)
Agapetes (Ericaceae)
02
costatum f. immaculatum (H1)
~ min. 15C
modestum (H1)
~ min. 15C
'Silver Queen' (H1)
~ min. 15C
Aichryson (Crassulaceae)
grandiflorum (H4)
—Pulchellum Group (H4)
'Warley Rose' (H4)
Agapanthus (Alliaceae)
93
houstonianum 'Blue Danube' (H3)
~ annual, from seed
—'Blue Horizon' (H3)
~ annual, from seed
—'Blue Lagoon' (H3)
—'Hawaii White' (H3)
—'Pacific' (H3)
—'Pacific Plus' (H3)
Aglaonema (Araceae)
Aethionema (Brassicaceae)
93
93
93
americana (H1)
~ min. 2C
—'Mediopicta' (v) (H1)
~ min. 2C; leaves with a yellow centre stripe
—'Mediopicta Alba' (v) (H1)
~ min. 2C; leaves with a white centre stripe
—'Variegata' (v) (H1)
~ min. 2C; leaves with a yellow edge
filifera (H1)
~ min. 2C
parviflora (H1)
~ min. 2C
potatorum (H1)
~ min. 2C
stricta (H1)
~ min. 2C
utahensis (H1)
~ min. 0C
victoriae-reginae (H1)
~ min. 2C
93
'Ludgvan Cross' (H1-2)
~ min. 2C
serpens (H1)
~ min. 2C
93
cathartica 'Hendersonii' (H1)
~ min. 15C
schottii (H1)
~ min. 10C
Allium (Alliaceae)
95
93
3
'Beau Regard' (H4)
caeruleum (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
02
93
02
93
93
93
93
95
95
95
95
93
02
93
93
93
93
02
02
caesium (H4)
carinatum subsp. pulchellum (H4)
——f. album (H4)
cernuum 'Hidcote' (H4)
cristophii (H4)
cyaneum (H4)
flavum (H4)
giganteum (H4)
'Gladiator' (H4)
'Globemaster' (H4)
hollandicum (H4)
—'Purple Sensation' (H4)
—'Purple Surprise' (H4)
insubricum (H4)
~ most plants sold as A. narcissiflorum are this
species
karataviense (H3)
moly 'Jeannine' (H4)
oreophilum 'Zwanenburg' (H4)
thunbergii (H4)
unifolium (H4)
94
94
94
94
94
94
Alyssum (Brassicaceae)
93
93
93
02
02
cordata (H4)
glutinosa 'Imperialis' (H4)
94
94
02
02
02
94
94
94
93
93
93
93
× amazonica (H1)
~ min. 15C
macrorrhiza 'Variegata' (v) (H1)
~ min. 15C
02
94
alatum 'Bikini' (H3)
Anagallis (Primulaceae)
93
02
arborescens 'Variegata' (v) (H1)
~ min. 5C; shrubby
aristata (H1)
~ min. 2C
bakeri (H1)
~ min. 2C
brevifolia (H1)
~ min. 5C
descoingsii (H1)
~ min. 10C
haworthioides (H1)
~ min. 10C
melanacantha (H1)
~ min. 2C
rauhii (H1)
~ min. 2C
somaliensis (H1)
~ min. 2C
variegata (v) (H1)
~ min. 2C
vera (H1)
~ min. 2C
monellii (H4)
—'Gentian Blue' (H4)
Ananas (Bromeliaceae)
93
bracteatus var. tricolor (H1)
~ min. 10C
Anaphalis (Asteraceae)
93
93
93
margaritacea var. yedoensis (H4)
triplinervis (H4)
—'Sommerschnee' (H4)
Anchusa (Boraginaceae)
93
azurea 'Loddon Royalist' (H4)
Andromeda (Ericaceae)
93
93
93
polifolia 'Compacta' (H4)
—'Compacta Alba' (H4)
—'Macrophylla' (H4)
Androsace (Primulaceae)
93
93
93
93
93
carnea subsp. laggeri (H4)
—subsp. rosea (H4)
lanuginosa (H4)
sempervivoides (H4)
studiosorum (H4)
~ awarded as A. sarmentosa, a misapplied name
Anemone (Ranunculaceae)
93
93
93
93
93
97
93
97
triphylla (H2)
Alstroemeria (Alstroemeriaceae)
94
× grandiflora 'Ballerina' (H4)
lamarckii (H4)
~ often grown as A. canadensis
Ammobium (Asteraceae)
Aloysia (Verbenaceae)
94
belladonna (H2-3)
Amelanchier (Rosaceae)
Aloe (Aloaceae)
02
hypochondriacus 'Green Thumb' (H3)
—'Pygmy Torch' (H3)
Amaryllis (Amaryllidaceae)
Alocasia (Araceae)
93
spinosum 'Roseum' (H4)
Amaranthus (Amaranthaceae)
Alnus (Betulaceae)
93
93
'Friendship' (H4)
~ recommended for cultivation in the open ground
H.R.H. PRINCESS ALEXANDRA = 'Zelblanca'
(H2)
~ for cultivation under unheated glass
H.R.H. PRINCESS ALICE = 'Staverpi' (PBR) (H2)
~ recommended for cultivation under unheated
glass; previously listed as A. FIONA
'Orange Gem' (H4)
~ recommended for cultivation in the open ground
'Orange Glory' (H4)
~ recommended for cultivation in the open ground
'Yellow Friendship' (H4)
~ recommended for cultivation in the open ground
'Apollo' (H4)
~ recommended for cultivation in the open
'Coronet' (H4)
~ recommended for cultivation in the open ground
4
apennina (H4)
blanda (H4)
—'Radar' (H4)
—var. rosea (H4)
—'White Splendour' (H4)
hupehensis 'Bowles' Pink' (H4)
—'Hadspen Abundance' (H4)
—var. japonica 'Pamina' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
97
93
93
93
97
93
93
93
93
97
93
——'Prinz Heinrich' (H4)
× hybrida 'Elegans' (H4)
—'Honorine Jobert' (H4)
—'Königin Charlotte' (H4)
—'September Charm' (H4)
~ previously listed as A. hupehensis 'September
Charm'
× lipsiensis 'Pallida' (H4)
nemorosa (H4)
—'Allenii' (H4)
—'Robinsoniana' (H4)
—'Vestal' (d) (H4)
—'Virescens' (H4)
ranunculoides (H4)
Aquilegia (Ranunculaceae)
93
02
02
93
93
02
93
93
93
02
93
98
02
93
Anigozanthos (Haemodoraceae)
93
93
humilis Lindl. (H1)
~ min. 2C
manglesii (H1)
~ min. 2C
02
02
Anomatheca (Iridaceae)
02
02
laxa (H2-3)
—var. alba (H2-3)
93
93
Antennaria (Asteraceae)
93
rosea (H4)
Arabis (Brassicaceae)
Anthemis (Asteraceae)
93
93
93
93
93
punctata subsp. cupaniana (H3-4)
Anthericum (Anthericaceae)
93
liliago var. major (H4)
Anthurium (Araceae)
02
02
02
andraeanum (H1)
~ min. 15C
crystallinum (H1)
~ min. 15C
scherzerianum (H1)
~ min. 15C
93
93
93
02
94
02
94
93
montana 'Rubra' (H4)
93
93
93
93
93
cunninghamiana (H1)
~ min. 2C
Arctotis (Asteraceae)
squarrosa 'Louisae' (H1)
~ min. 10C
98
98
flagelliformis (H1)
~ min. 2C
× hybrida 'Flame' (H1+3)
~ min. 2C
—'Mahogany' (H1+3)
~ min. 2C
Ardisia (Myrsinaceae)
Aptenia (Aizoaceae)
02
× andrachnoides (H4)
~ omitted in error from AGM Plants 2002
menziesii (H3)
~ omitted in error from AGM Plants 2002
unedo (H4)
~ omitted in error from AGM Plants 2002
—f. rubra (H4)
~ omitted in error from AGM Plants 2002
Archontophoenix (Arecaceae)
Aporocactus (Cactaceae)
02
heterophylla (H1)
~ min. 2C
Arbutus (Ericaceae)
'Bronze Chimes' (H3)
Coronette Series (H3)
~ sold as a mixture
Floral Carpet Series (H3)
~ sold as a mixture
Kim Series (H3)
~ sold as a mixture
'Pink Bells' (H3)
Sonnet Series (H3)
~ sold as a mixture
'Yellow Bells' (H3)
Aphelandra (Acanthaceae)
93
elata (H4)
~ may sucker; for wild garden
—'Variegata' (v) (H4)
Araucaria (Araucariaceae)
Antirrhinum (Scrophulariaceae)
94
93
alpina subsp. caucasica 'Flore Pleno' (d) (H4)
——'Schneehaube' (H4)
blepharophylla 'Frühlingszauber' (H4)
procurrens 'Variegata' (v) (H4)
~ probably correctly treated as a form of A. x
suendermannii
Aralia (Araliaceae)
Anthyllis (Papilionaceae)
93
bertolonii (H4)
'Bluebird' (Songbird Series) (H2)
'Bunting' (Songbird Series) (H2)
canadensis (H4)
coerulea (H4)
'Dove' (Songbird Series) (H2)
flabellata (H4)
—var. pumila (H4)
——f. alba (H4)
'Florida' (State Series) (H2)
'Hensol Harebell' (H4)
longissima (H4)
'Louisiana' (State Series) (H2)
Music Series (H4)
~ sold as a mixture
'Origami Red and White' (Butterfly Series) (H2)
~ may be sold as RED ADMIRAL
'Origami Rose and White' (Butterfly Series)
(H2)
~ may be sold as CRENISE ROSA
vulgaris 'Nivea' (H4)
—var. stellata 'Nora Barlow' (Barlow Series) (d)
(H4)
93
cordifolia (H1-2)
~ min. 2C; short-lived perennial
5
crispa (H1)
~ min. 2C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Arenaria (Caryophyllaceae)
93
93
93
montana (H4)
Arum (Araceae)
Argyranthemum (Asteraceae)
02
93
93
93
93
02
93
93
93
93
93
93
93
93
93
93
'Butterfly' (H1+3)
~ min. 2C
'Cornish Gold' (H1+3)
~ min. 2C
'Donington Hero' (H1+3)
~ min. 2C
foeniculaceum 'Royal Haze' (H1+3)
~ valued especially as a foliage plant; min. 2C
frutescens subsp. canariae (H1+3)
~ min. 2C
—'Sugar Button' (PBR) (d) (H1+3)
~ min. 2C
gracile 'Chelsea Girl' (H1+3)
~ min. 2C; valued as a foliage plant
'Jamaica Primrose' (H1+3)
~ min. 2C
'Levada Cream' (H1+3)
~ min. 2C
maderense (H1+3)
~ min. 2C
'Mary Cheek' (d) (H1+3)
~ min. 2C
'Petite Pink' (H1+3)
~ min. 2C
'Qinta White' (d) (H1+3)
~ min. 2C
'Snow Storm' (H1+3)
~ min. 2C
'Vancouver' (d) (H1+3)
~ min. 2C
'Whiteknights' (H1+3)
~ min. 2C
93
02
93
93
93
93
93
02
93
93
93
93
93
arcadiensis (H3)
~ widely grown as A. suberosa, another quite
distinct species
sintenisii (H2-3)
Aspidistra (Convallariaceae)
93
93
elatior (H1)
~ min. 2C
—'Variegata' (v) (H1)
~ min. 2C
Asplenium (Aspleniaceae)
93
93
93
97
97
97
candidissimum (H4)
bulbiferum (H1-2)
nidus (H1)
~ min. 15C
scolopendrium (H4)
—'Crispum Bolton's Nobile' (H4)
—'Kaye's Lacerated' (H4)
~ comes true from spores
trichomanes (H4)
Astelia (Asteliaceae)
94
littoralis (H1)
~ min. 10C
chathamica (H3)
Aster (Asteraceae)
93
93
93
93
93
93
93
93
93
93
93
93
98
93
93
93
93
93
93
02
juniperifolia (H4)
—'Bevan's Variety' (H4)
maritima 'Vindictive' (H4)
Artemisia (Asteraceae)
93
93
93
93
02
93
93
93
93
asparagoides (H1)
~ min. 2C
densiflorus 'Myersii' (H1)
~ min. 2C
—Sprengeri Group (H1)
~ min. 2C
setaceus (H1)
~ min. 10C
—'Pyramidalis' (H1)
~ min. 2C
Asperula (Rubiaceae)
Armeria (Plumbaginaceae)
93
93
93
aethusifolius (H4)
dioicus (m) (H4)
Asparagus (Asparagaceae)
Aristolochia (Aristolochiaceae)
93
italicum subsp. italicum 'Marmoratum' (H4)
Aruncus (Rosaceae)
Arisaema (Araceae)
93
schmidtiana (H4)
—'Nana' (H4)
abrotanum (H4)
absinthium 'Lambrook Mist' (H3-4)
—'Lambrook Silver' (H4)
alba 'Canescens' (H4)
arborescens (H3)
caucasica (H3-4)
frigida (H3-4)
lactiflora (H4)
ludoviciana subsp. ludoviciana (H4)
~ previously listed as A. ludoviciana var.
ludoviciana
—'Silver Queen' (H4)
—'Valerie Finnis' (H4)
'Powis Castle' (H3)
6
alpinus (H4)
amellus 'Framfieldii' (H4)
—'Jacqueline Genebrier' (H4)
—'King George' (H4)
—'Veilchenkönigin' (H4)
'Coombe Fishacre' (H4)
cordifolius 'Chieftain' (H4)
—'Sweet Lavender' (H4)
ericoides 'Blue Star' (H4)
—'Brimstone' (H4)
—'Golden Spray' (H4)
—'Pink Cloud' (H4)
—f. prostratus 'Snow Flurry' (H4)
× frikartii 'Mönch' (H4)
—'Wunder von Stäfa' (H4)
'Kylie' (H4)
lateriflorus 'Horizontalis' (H4)
'Little Carlow' (cordifolius hybrid) (H4)
novae-angliae 'Harrington's Pink' (H4)
—'Rosa Sieger' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
93
93
93
'Ochtendgloren' (pringlei hybrid) (H4)
'Photograph' (H4)
pilosus var. demotus (H4)
—var. pringlei 'Monte Cassino' (H4)
'Ringdove' (ericoides hybrid) (H4)
turbinellus hort. (H4)
Begonia (Begoniaceae)
94
97
94
Astilbe (Saxifragaceae)
93
93
93
93
93
93
93
93
93
93
93
× arendsii 'Brautschleier' (H4)
—'Fanal' (H4)
'Bronce Elegans' (simplicifolia hybrid) (H4)
chinensis var. pumila (H4)
—var. taquetii 'Superba' (H4)
× crispa 'Perkeo' (H4)
glaberrima var. saxatilis (H4)
'Rheinland' (japonica hybrid) (H4)
simplicifolia (H4)
'Sprite' (simplicifolia hybrid) (H4)
'Straussenfeder' (thunbergii hybrid) (H4)
94
93
02
02
94
Astrantia (Apiaceae)
93
93
93
97
97
93
major subsp. involucrata 'Shaggy' (H4)
—'Sunningdale Variegated' (v) (H4)
maxima (H4)
Astrophytum (Cactaceae)
93
02
94
94
myriostigma (H1)
~ min. 2-10C
Athyrium (Woodsiaceae)
93
97
97
93
97
94
filix-femina (H4)
—'Frizelliae' (H4)
—'Vernoniae' (H4)
niponicum var. pictum (H3)
~ also valued for cultivation under glass
otophorum (H4)
94
02
Aubrieta (Brassicaceae)
02
02
02
02
93
02
02
94
'Argenteovariegata' (v) (H4)
'Aureovariegata' (v) (H4)
'Bressingham Pink' (d) (H4)
'Red Cascade' (Cascade Series) (H4)
'Doctor Mules' (H4)
'Greencourt Purple' (H4)
'Mrs Rodewald' (H4)
02
93
02
Aucuba (Aucubaceae)
93
02
93
02
93
japonica 'Crotonifolia' (f/v) (H4)
—'Golden King' (m/v) (H4)
—f. longifolia (H4)
—'Rozannie' (f/m) (H4)
94
94
Aurinia (Brassicaceae)
93
93
saxatilis (H4)
—'Citrina' (H4)
94
Azara (Flacourtiaceae)
93
02
93
microphylla (H3)
serrata (H3)
97
97
94
Babiana (Iridaceae)
02
stricta (H1-2)
~ min. 2C
Ballota (Lamiaceae)
02
93
94
02
acetabulosa (H3-4)
pseudodictamnus (H3-4)
Baptisia (Papilionaceae)
93
94
02
94
australis (H4)
7
'Alto Scharff' (H1)
~ min. 15C; shrub-like
'Ambassador Rose' (Ambassador Series) (S)
(H3)
'Burle Marx' (H1)
~ min. 15C
'Cleopatra' (H1)
~ min. 15C; rhizomatous
Cocktail Series (H2-3)
~ sold as a mixture
DRAGON WING RED = 'Bepared' (PBR) (H1+3)
~ min. 10C
dregei (T) (H1)
~ min. 15C
'Esther Albertine' (C) (H1)
~ min. 15C
'Expresso Rose' (Expresso Series) (S) (H3)
'Expresso Scarlet' (Expresso Series) (S) (H3)
fuchsioides (H1)
~ min. 10C
grandis subsp. evansiana (H3-4)
'Illumination Orange' (H2-3)
'Illumination Salmon Pink' (Illumination Series)
(H2-3)
'Irene Nuss' (C) (H1)
~ min. 15C
listada (H1)
~ min. 15C
'Little Brother Montgomery' (H1)
~ min. 15C
maculata (H1)
~ min. 15C
'Marmaduke' (H1)
~ min. 15C
masoniana (H1)
~ min. 15C
Memory Series (H2-3)
~ sold as a mixture
'Merry Christmas' (R) (H1)
~ min. 15C
metallica (H1)
~ min. 15C
'Mirage' (H1)
~ min. 15C
'Munchkin' (H1)
~ min. 15C; rhizomatous
Nonstop Series (T) (H2-3)
~ sold as a mixture
'Olympia Starlet' (Olympia Series) (S) (H3)
'Olympia White' (Olympia Series) (S) (H3)
'Orange Rubra' (C) (H1)
~ min. 15C
'Panorama Scarlet' (H2-3)
Party Series (H3)
~ sold as a mixture
'Pin Up' (H2-3)
'Pin Up Flame' (H2-3)
'Pinafore' (C) (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
94
94
94
94
93
02
94
94
02
02
93
94
94
~ min. 15C
radicans (H1)
~ min. 15C
'Raspberry Swirl' (R) (H1)
~ min. 15C
'Raymond George Nelson' (H1)
~ min. 15C; shrub-like
'Ricky Minter' (H1)
~ min. 15C; rhizomatous
'Silver Queen' (R) (H1)
~ min. 15C
'Snowcap' (C) (H1)
~ min. 15C
solananthera (H1)
~ min. 15C
'Sophie Cecile' (C) (H1)
~ min. 15C
'Super Olympia Light Pink' (Super Olympia
Series) (H3)
Super Olympia Series (H2-3)
~ sold as a mixture
sutherlandii (H1)
~ min. 2C
'Thurstonii' (H1)
~ min. 15C; shrub-like
'Tiger Paws' (H1)
~ min. 15C; rhizomatous
Beschorneria (Agavaceae)
93
Betula (Betulaceae)
93
93
93
02
93
93
93
93
02
93
93
93
94
93
93
93
93
98
93
93
longiflora (H3)
Billbergia (Bromeliaceae)
93
93
93
perennis Tasso Series (H4)
~ sold as a mixture
93
darwinii (H4)
dictyophylla (H4)
× frikartii 'Amstelveen' (H4)
'Georgei' (H4)
julianae (H4)
× lologensis 'Apricot Queen' (H4)
× media 'Red Jewel' (H4)
× ottawensis f. purpurea 'Superba' (H4)
× stenophylla (H4)
—'Corallina Compacta' (H4)
temolaica (H4)
thunbergii (H4)
—f. atropurpurea 'Atropurpurea Nana' (H4)
——'Bagatelle' (H4)
——'Golden Ring' (H4)
——'Red Chief' (H4)
——'Rose Glow' (v) (H4)
verruculosa (H4)
93
× gireaudiana (H1)
~ min. 10C
'Muriel Waterman' (H1)
~ min. 10C
pyramidalis (H1)
~ min. 10C
vittata (H1)
~ min. 10C
× windii (H1)
~ min. 10C
Blechnum (Blechnaceae)
02
97
97
93
93
brasiliense (H1)
~ min. 15C
chilense (H3)
~ often found under the name B. tabulare
penna-marina (H4)
spicant (H4)
tabulare (Thunb.) Kuhn (H1)
~ rare in cultivation; most ferns grown under this
name are B. chilense
Bomarea (Alstroemeriaceae)
93
caldasii (H1)
~ min. 2C
Bougainvillea (Nyctaginaceae)
Bergenia (Saxifragaceae)
97
ferulifolia (H1+3)
~ min. 2C
Billardiera (Pittosporaceae)
Berberis (Berberidaceae)
93
93
93
02
02
93
93
93
93
93
02
93
93
93
02
93
93
93
albosinensis (H4)
—var. septentrionalis (H4)
ermanii 'Grayswood Hill' (H4)
nigra 'Heritage' (H4)
pendula (H4)
—'Laciniata' (H4)
—'Tristis' (H4)
utilis var. jacquemontii 'Doorenbos' (H4)
~ this plant may be available in the trade as Betula
utilis var. jacquemontii
——'Grayswood Ghost' (H4)
——'Jermyns' (H4)
——'Silver Shadow' (H4)
~ this plant may be available in the trade as Betula
utilis var. jacquemontii
Bidens (Asteraceae)
Bellis (Asteraceae)
02
yuccoides (H3)
93
'Ballawley' clonal (H4)
~ previously listed under B. purpurascens
'Bressingham White' (H4)
cordifolia 'Purpurea' (H4)
'Morgenröte' (H4)
purpurascens (H4)
—var. delavayi (H4)
× schmidtii (H4)
'Silberlicht' (H4)
93
93
93
93
8
× buttiana 'Killie Campbell' (H1)
~ min. 10C
—'Mrs Butt' (H1)
~ min. 10C
—'Poulton's Special' (H1)
~ min. 10C
glabra (H1)
~ min. 10C
spectabilis 'Margaret Bacon' (H1)
~ min. 10C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Brachyglottis (Asteraceae)
93
93
(Dunedin Group) 'Sunshine' (H4)
monroi (H4)
02
Brugmansia (Solanaceae)
93
93
93
02
arborea 'Knightii' (d) (H1)
~ min. 2C; previously listed as Brugmansia x
candida 'Knightii'
× candida 'Grand Marnier' (H1)
~ min. 2C
suaveolens (H1)
~ min. 2C
93
~ min. 15C
—'Argentea' (H1)
~ min. 15C
roseopicta (H1)
~ min. 15C
zebrina (H1)
~ min. 15C
Calceolaria (Scrophulariaceae)
93
93
integrifolia (H3)
—'Sunshine' (H2-3)
Calendula (Asteraceae)
Brunfelsia (Solanaceae)
93
officinalis 'Fiesta Gitana' (H4)
pauciflora (H1)
~ min. 10C
Callicarpa (Verbenaceae)
Brunnera (Boraginaceae)
Callisia (Commelinaceae)
93
93
93
93
macrophylla (H4)
—'Hadspen Cream' (v) (H4)
93
Buddleja (Buddlejaceae)
93
93
93
93
93
02
02
93
93
93
93
93
02
02
93
93
93
93
93
02
93
02
93
02
02
chinensis Milady Series (H3)
~ sold as a mixture
Calluna (Ericaceae)
02
02
93
02
93
93
93
93
02
93
93
93
93
93
93
93
02
93
93
93
02
02
93
93
93
93
93
93
93
93
93
93
93
02
93
93
umbellatus (H4)
balearica (H4)
sempervirens (H4)
—'Elegantissima' (v) (H4)
—'Latifolia Maculata' (v) (H4)
—'Suffruticosa' (H4)
Calathea (Marantaceae)
02
citrinus 'Splendens' (H3)
linearis (H3)
salignus (H3)
Callistephus (Asteraceae)
Buxus (Buxaceae)
02
93
93
93
93
elegans (H1)
~ min. 10C
Callistemon (Myrtaceae)
alternifolia (H4)
asiatica (H2)
davidii 'Black Knight' (H4)
—'Dartmoor' (H4)
—'Empire Blue' (H4)
—'Nanho Blue' (H4)
~ previously listed as Buddleja davidii 'Nanho
Petite Indigo'
—'Nanho Purple' (H4)
~ previously listed as Buddleja davidii 'Nanho
Petite Purple'
—'Royal Red' (H4)
—'White Profusion' (H4)
fallowiana var. alba (H3)
globosa (H4)
'Lochinch' (H3-4)
madagascariensis (H1)
~ min. 2C
officinalis (H2)
'Pink Delight' (H4)
× weyeriana 'Sungold' (H4)
Butomus (Butomaceae)
93
bodinieri var. giraldii 'Profusion' (H4)
crocata (H1)
~ min. 15C
lancifolia (H1)
~ min. 15C
majestica (H1)
~ min. 15C
makoyana (H1)
~ min. 15C
mediopicta (H1)
~ min. 15C
picturata (H1)
9
vulgaris 'Alexandra' (PBR) (H4)
—'Alicia' (PBR) (H4)
—'Allegro' (H4)
—'Anette' (PBR) (H4)
—'Annemarie' (d) (H4)
—'Anthony Davis' (H4)
—'Beoley Gold' (H4)
—'County Wicklow' (d) (H4)
—'Dark Beauty' (PBR) (d) (H4)
—'Dark Star' (d) (H4)
—'Darkness' (H4)
—'Elsie Purnell' (d) (H4)
—'Firefly' (H4)
—'Gold Haze' (H4)
—'J.H. Hamilton' (d) (H4)
—'Joy Vanstone' (H4)
—'Kerstin' (H4)
—'Kinlochruel' (d) (H4)
—'Mair's Variety' (H4)
—'Mullion' (H4)
—'My Dream' (d) (H4)
—'Peter Sparkes' (d) (H4)
—'Radnor' (d) (H4)
—'Robert Chapman' (H4)
—'Roland Haagen' (H4)
—'Serlei Aurea' (H4)
—'Silver Queen' (H4)
—'Silver Rose' (H4)
—'Sir John Charrington' (H4)
—'Sister Anne' (H4)
—'Spring Cream' (H4)
—'Sunset' (H4)
—'Tib' (d) (H4)
—'Velvet Fascination' (H4)
—'White Lawn' (H4)
—'Wickwar Flame' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Calocedrus (Cupressaceae)
93
93
93
02
93
93
02
02
93
02
93
02
93
02
02
93
02
99
93
93
93
93
93
93
93
93
02
93
93
93
93
93
93
93
02
02
93
02
93
93
02
93
02
decurrens (H4)
Caltha (Ranunculaceae)
93
93
palustris (H4)
~ needs boggy soil
—'Flore Pleno' (d) (H4)
~ needs boggy soil
Camassia (Hyacinthaceae)
93
leichtlinii subsp. leichtlinii (H4)
Camellia (Theaceae)
02
93
93
93
02
96
02
93
02
93
93
02
93
02
93
02
02
93
93
93
93
02
02
93
93
02
93
02
93
93
93
02
93
93
93
93
93
93
02
93
93
93
02
02
02
93
93
93
02
93
93
93
'Black Lace' (reticulata x williamsii) (H4)
'Cornish Snow' (cuspidata x saluenensis) (H4)
'Cornish Spring' (japonica x cuspidata) (H4)
'Doctor Clifford Parks' (reticulata x japonica)
(H2)
'Francie L' (saluenensis x reticulata) (H3-4)
'Freedom Bell' (hybrid) (H4)
hiemalis 'Sparkling Burgundy' (H3)
'Inspiration' (reticulata x saluenensis) (H4)
japonica 'Adelina Patti' (H4)
—'Adolphe Audusson' (H4)
—'Akashigata' (H4)
—'Alba Plena' (H4)
—'Alexander Hunter' (H4)
—'Annie Wylam' (H4)
—'Apple Blossom' (H4)
—'Australis' (H4)
—'Ave Maria' (H4)
—'Ballet Dancer' (H4)
—'Berenice Boddy' (H4)
—'Bob Hope' (H4)
—'Bob's Tinsie' (H4)
—'Bokuhan' (H4)
—'Brushfield's Yellow' (H4)
—'C.M. Hovey' (H4)
—'Carter's Sunburst' (H4)
—'Commander Mulroy' (H4)
—'Coquettii' (H4)
—'Desire' (H4)
—'Doctor Tinsley' (H4)
—'Drama Girl' (H2)
—'Elegans' (H4)
—'Fire Falls' (H4)
—'Gloire de Nantes' (H4)
—'Grand Prix' (H4)
—'Grand Slam' (H2)
—'Guilio Nuccio' (H4)
—'Hagoromo' (H4)
—'Hakurakuten' (H4)
—'Joseph Pfingstl' (H4)
—'Jupiter' Paul (H4)
—'Konronkoku' (H4)
—'Lavinia Maggi' (H4)
—'Lily Pons' (H4)
—'Lovelight' (H4)
—'Margaret Davis Picotee' (H4)
—'Mars' (H4)
—'Masayoshi' (H4)
—'Mathotiana Alba' (H4)
—'Mathotiana Rosea' (H4)
—'Mercury' (H4)
—'Nuccio's Gem' (H4)
—'Nuccio's Jewel' (H4)
—'R.L. Wheeler' (H4)
—'Rubescens Major' (H4)
—'San Dimas' (H4)
—'Scentsation' (H4)
—'Souvenir de Bahuaud-Litou' (H4)
—'Sylva' (H4)
—'Tom Thumb' (H4)
—'Tricolor' (H4)
—'Wilamina' (H4)
'Leonard Messel' (reticulata x williamsii) (H4)
'Royalty' (japonica x reticulata) (H3)
sasanqua 'Crimson King' (H3)
—'Hugh Evans' (H3)
—'Jean May' (H3)
'Spring Festival' (cuspidata hybrid) (H4)
'Tom Knudsen' (reticulata x japonica) (H3)
'Tristrem Carlyon' (reticulata hybrid) (H4)
× williamsii 'Anticipation' (H4)
—'Bowen Bryant' (H4)
—'Brigadoon' (H4)
—'China Clay' (H4)
—'Daintiness' (H4)
—'Debbie' (H4)
—'Donation' (H4)
—'E.T.R. Carlyon' (H4)
—'Elegant Beauty' (H4)
—'Elsie Jury' (H3)
—'Galaxie' (H4)
—'George Blandford' (H4)
—'Glenn's Orbit' (H4)
—'J.C. Williams' (H4)
—'Joan Trehane' (H4)
—'Julia Hamiter' (H4)
—'Jury's Yellow' (H4)
—'Les Jury' (H4)
—'Mary Christian' (H4)
—'Mary Phoebe Taylor' (H4)
—'Muskoka' (H4)
—'Saint Ewe' (H4)
—'Senorita' (H4)
—'Water Lily' (H4)
—'Wilber Foss' (H4)
Campanula (Campanulaceae)
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
02
93
93
93
93
10
betulifolia (H4)
'Birch Hybrid' (H4)
'Burghaltii' (H4)
carpatica (H4)
chamissonis 'Superba' (H4)
cochleariifolia (H4)
formanekiana (H2-3)
'G.F. Wilson' (H4)
garganica (H4)
—'W.H. Paine' (H4)
glomerata 'Superba' (H4)
isophylla (H2)
—'Alba' (H2)
—'Mayi' (H2)
'Joe Elliott' (H2-3)
'Kent Belle' (H4)
lactiflora 'Alba' (H4)
~ applies to a selected pure white clone
—'Loddon Anna' (H4)
—'Prichard's Variety' (H4)
—'Superba' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
93
02
93
93
94
93
97
latiloba 'Alba' (H4)
—'Hidcote Amethyst' (H4)
—'Highcliffe Variety' (H4)
—'Percy Piper' (H4)
persicifolia 'Chettle Charm' (PBR) (H4)
—'Fleur de Neige' (d) (H4)
portenschlagiana (H4)
poscharskyana 'Stella' (H4)
raineri (H4)
tommasiniana (H4)
02
02
Caryota (Arecaceae)
02
93
93
93
93
radicans f. flava (H4)
× tagliabuana 'Madame Galen' (H4)
93
02
canariensis (H1)
~ min. 2C
93
93
93
'Alaska' (H3)
'Amundsen' (H3)
'Annaeei' (H3)
'Aphrodite' van Klaveren (H3)
× ehemanii (H3)
'Erebus' (H3)
'General Eisenhower' (H3)
indica 'Russian Red' (H3)
'Ingeborg' (H3)
'Louis Cayeux' (H3)
'Musifolia' (H3)
'Mystique' (H3)
'Picasso' (H3)
'Ra' (H3)
'Roi Soleil' (H3)
'Schwäbische Heimat' (H3)
'Shenandoah' (H3)
'Striata' (v) (H3)
TROPICANNA = 'Phasion' (PBR) (v) (H3)
'Verdi' (H3)
'Whithelm Pride' (H3)
'Wyoming' (H3)
93
93
93
93
93
93
93
93
02
02
93
93
93
93
93
93
93
02
pentaphylla (H4)
buchananii (H4)
elata 'Aurea' (v) (H4)
—'Knightshayes' (H4)
oshimensis 'Evergold' (v) (H4)
93
93
93
93
pomeridiana (H3)
~ annual; min. 2C
californica (H3)
93
betulus (H4)
—'Fastigiata' (H4)
japonica (H4)
turczaninowii (H4)
93
cineraria subsp. cineraria (H3)
Ceratostigma (Plumbaginaceae)
93
93
caninus (H1)
~ min. 2C
plumbaginoides (H3-4)
willmottianum (H3-4)
Cercidiphyllum (Cercidiphyllaceae)
93
02
Caryopteris (Verbenaceae)
02
orbiculatus Hermaphrodite Group (H4)
Centaurea (Asteraceae)
Carruanthus (Aizoaceae)
02
atlantica Glauca Group (H4)
~ previously listed as C. libani subsp. atlantica
Glauca Group
deodara (H4)
—'Aurea' (H4)
libani (H4)
~ previously listed as C. libani subsp. libani
Celastrus (Celastraceae)
Carpinus (Corylaceae)
93
93
02
02
arboreus 'Trewithen Blue' (H3)
'Autumnal Blue' (H3)
'Blue Mound' (H3)
'Burkwoodii' (H3)
'Cascade' (H3)
'Concha' (H3)
'Dark Star' (H3)
× delileanus 'Gloire de Versailles' (H4)
—'Topaze' (H4)
'Edinburgh' (H3)
'Italian Skies' (H3)
'Puget Blue' (H4)
'Southmead' (H3)
thyrsiflorus var. repens (H3)
—'Skylark' (H3)
Cedrus (Pinaceae)
Carpenteria (Hydrangeaceae)
93
roseus (H1)
~ min. 10C
—'Albus' (H1)
~ min. 10C
Ceanothus (Rhamnaceae)
Carpanthea (Aizoaceae)
02
caerulea 'Major' (H4)
Catharanthus (Apocynaceae)
Carex (Cyperaceae)
02
93
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bignonioides (H4)
—'Aurea' (H4)
× erubescens 'Purpurea' (H4)
Catananche (Asteraceae)
Cardamine (Brassicaceae)
00
sativa (H4)
—'Albomarginata' (v) (H4)
Catalpa (Bignoniaceae)
Canna (Cannaceae)
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
'Edinburgh' (H4)
lycopodioides (H4)
'Muirhead' (H4)
'Randle Cooke' (H4)
Castanea (Fagaceae)
Canarina (Campanulaceae)
93
mitis (H1)
~ min. 15C
Cassiope (Ericaceae)
Campsis (Bignoniaceae)
93
93
~ often sold as 'Heavenly Blue'
—'First Choice' (H3-4)
—'Worcester Gold' (H3-4)
× clandonensis 'Arthur Simmonds' (H4)
11
japonicum (H4)
—f. pendulum (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
~ min. 10C; many sold under this name are C.
microspadix; awarded as C. erumpens
Cercis (Caesalpiniaceae)
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93
canadensis 'Forest Pansy' (H4)
siliquastrum (H4)
Chamaerops (Arecaceae)
Ceropegia (Asclepiadaceae)
93
02
93
93
02
02
93
'Newellii' (H2)
parqui (H3)
93
93
speciosa 'Geisha Girl' (H4)
—'Moerloosei' (H4)
× superba 'Crimson and Gold' (H4)
—'Knap Hill Scarlet' (H4)
—'Nicoline' (H4)
—'Pink Lady' (H4)
—'Rowallane' (H4)
02
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
02
lawsoniana 'Aurea Densa' (H4)
—'Chilworth Silver' (H4)
—'Ellwoodii' (H4)
—'Ellwood's Gold' (H4)
—'Fletcheri' (H4)
—'Gimbornii' (H4)
—'Grayswood Pillar' (H4)
—'Green Hedger' (H4)
—'Intertexta' (H4)
—'Kilmacurragh' (H4)
—'Lanei Aurea' (H4)
~ awarded as C. lawsoniana 'Lane' hort.
—'Little Spire' (H4)
—'Lutea' (H4)
—'Lutea Nana' (H4)
—'Minima Aurea' (H4)
—'Minima Glauca' (H4)
—'Pelt's Blue' (H4)
—'Pembury Blue' (H4)
—'Pygmaea Argentea' (v) (H4)
—'Stardust' (H4)
—'Wisselii' (H4)
nootkatensis 'Pendula' (H4)
obtusa 'Crippsii' (H4)
—'Nana' (H4)
—'Nana Aurea' (H4)
—'Nana Gracilis' (H4)
pisifera 'Boulevard' (H4)
—'Filifera Aurea' (H4)
—'Golden Mop' (H4)
thyoides 'Ericoides' (H4)
93
93
93
lavandulacea (H1)
~ min. 10C; annual
sinensis (H1)
~ min. 10C
Chlorophytum (Anthericaceae)
93
93
comosum 'Variegatum' (v) (H1+3)
~ min. 2C
—'Vittatum' (v) (H1+3)
~ min. 2C
Choisya (Rutaceae)
93
93
93
'Aztec Pearl' (H4)
ternata (H4)
—SUNDANCE = 'Lich' (PBR) (H3)
Chorizema (Papilionaceae)
93
cordatum (H1)
~ min. 2C
Chrysanthemum (Asteraceae)
93
97
95
97
93
94
94
purpureus 'Atropurpureus' (H4)
94
Chamaedorea (Arecaceae)
93
luciliae Boissier (H4)
sardensis (H4)
siehei (H4)
~ previously listed as C. forbesii Siehei Group
Chirita (Gesneriaceae)
Chamaecytisus (Papilionaceae)
93
praecox 'Grandiflorus' (H4)
—var. luteus (H4)
Chionodoxa (Hyacinthaceae)
Chamaecyparis (Cupressaceae)
93
93
93
93
93
93
93
93
93
93
93
oppositifolium (H4)
Chimonanthus (Calycanthaceae)
Chaenomeles (Rosaceae)
02
93
93
93
93
93
93
denticulata (H1)
~ min. 2C
peculiaris (H1)
~ min. 2C
Chiastophyllum (Crassulaceae)
Cestrum (Solanaceae)
93
93
humilis (H3)
Cheiridopsis (Aizoaceae)
linearis subsp. woodii (H1)
~ min. 10C
sandersonii (H1)
~ min. 2C
stapeliiformis (H1)
~ min. 2C
elegans (H1)
~ min. 10C
metallica Cook (H1)
~ min. 10C
seifrizii (H1)
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12
'Allouise' (25b) (H3)
~ disbudded, in the open
'Amber Enbee Wedding' (29d) (H3)
~ spray, in the open
'Amber Yvonne Arnaud' (24b) (H3)
~ disbudded, in the open
'Angora' (25b) (H3)
~ disbudded, in the open
'Anna Marie' (19c) (H3)
~ spray, in the open
'Apricot Margaret' (29c) (H3)
~ spray, in the open
'Apricot Shoesmith Salmon' (4a) (H2)
~ disbudded, under glass
'Bagley Rose' (15b) (H2)
~ disbudded, under glass
'Bagley Tang' (15b) (H2)
~ disbudded, under glass
'Beacon' (5a) (H2)
~ disbudded, under glass
'Blush Shoesmith Salmon' (H2)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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~ disbudded, under glass
BRAVO = 'Yobra' (PBR) (22c) (H3)
~ spray, in the open
'Brietner' (24b) (H3)
'Bronze Cassandra' (5b) (H2)
~ disbudded, under glass
'Bronze Enbee Wedding' (29d) (H3)
~ spray, in the open
'Bronze Fairie' (28b) (H3)
~ spray, in the open
'Bronze Margaret' (29c) (H3)
~ spray, in the open
'Bronze Max Riley' (23b) (H3)
'Bronze Mayford Perfection' (5a) (H2)
~ disbudded, under glass
'Bronze Nurosemary' (9d) (H2)
~ spray, under glass
'Bronze Pennine Wine' (29c) (H3)
~ spray, in the open
'Bronze Talbot Parade' (29c) (H3)
'Cameo' (28a) (H3)
~ spray, in the open
'Candlewick Limelight' (29d) (H3)
'Cassandra' (5b) (H2)
~ disbudded; late-flowering
'Cerise Mundial' (H2)
~ spray; late-flowering
'Cerise Shoesmith Salmon' (4a) (H2)
~ disbudded, under glass
'Cherry Nathalie' (19c) (H3)
~ spray, for garden decoration, grown in the open
without overhead protection at flowering time
'Chestnut Talbot Parade' (29c) (H3)
~ spray, in the open
'Cream Margaret' (29c) (H3)
~ spray, in the open
'Creamist' (25b) (H3)
~ disbudded, in the open
'Crimson Shoesmith Salmon' (4b) (H2)
~ disbudded, under glass
'Crimson Yvonne Arnaud' (24b) (H3)
~ disbudded, in the open
DANA = 'Yodana' (25b) (H3)
~ disbudded, in the open
'Dark Red Mayford Perfection' (4b) (H2)
~ disbudded, under glass
'Deane Dainty' (9f) (H2)
~ spray, under glass
DEBONAIR = 'Yodebo' (PBR) (22c) (H3)
~ spray, in the open
'Dee Gem' (29c) (H3)
~ spray, in the open
'Denise' (28b) (H3)
~ spray, in the open
'Dowches Patricia' (29d) (H3)
'Eastleigh' (24b) (H3)
~ disbudded, for garden decoration, grown in the
open without overhead protection at flowering
time
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13
EMILY = 'Yoemily' (22) (H3)
~ spray, in the open
'Enbee Wedding' (29d) (H3)
~ spray, in the open
'Fairie' (28a) (H3)
~ spray, in the open
'Fiji' (9c) (H2)
~ spray, under glass
'Fleet Margaret' (29c) (H3)
~ spray, in the open
'Galaxy' (9d) (H2)
~ spray, under glass
'George Griffiths' (24b) (H3)
~ disbudded, in the open
'Gold Enbee Wedding' (29d) (H3)
~ spray, in the open
'Gold Mundial' (H2)
~ spray; late-flowering
'Golden Cassandra' (5b) (H2)
~ disbudded, under glass
'Golden Creamist' (25b) (H3)
~ disbudded, in the open
'Golden Margaret' (29c) (H3)
~ spray, in the open
'Golden Mayford Perfection' (5a) (H2)
~ disbudded, under glass
'Golden Shoesmith Salmon' (4a) (H2)
~ disbudded, under glass
'Golden Snowdon' (3b) (H2)
~ late flowering
GOLDMINE = 'Yogol' (22c) (H3)
~ spray, in the open
'Goodlife Sombrero' (29a) (H3)
~ spray, in the open
GRENADINE = 'Yogrena' (22c) (H3)
~ spray, in the open
'Heide' (29c) (H3)
~ spray, in the open
HOLLY = 'Yoholly' (22b) (H3)
~ spray, in the open
'Lautrec' (H3)
'Lemon Margaret' (29c) (H3)
~ spray, in the open
LISA = 'Yolisa' (PBR) (22c) (H3)
'Long Island Beauty' (6b) (H2)
~ spray, under glass
LYNN = 'Yolynn' (PBR) (22c) (H3)
'Madeleine' (29c) (H3)
~ spray, in the open
'Mancetta Bride' (29a) (H3)
~ spray, in the open
'Mancetta Jupiter' (29a) (H3)
'Margaret' (29c) (H3)
~ spray, in the open
'Mavis' (28a) (H3)
~ spray, in the open
'Max Riley' (23b) (H3)
~ disbudded, in the open
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'May Shoesmith' (5a) (H2)
~ late flowering
'Mayford Perfection' (5a) (H2)
~ disbudded, under glass
MIRAGE = 'Yomira' (22b) (H3)
~ spray, in the open
'Myss Angie' (29c) (H3)
~ spray, in the open
'Myss Madi' (29c) (H3)
~ spray, in the open
'Nantyderry Sunshine' (28b) (H4)
'Nathalie' (19c) (H3)
~ spray, in the open
NICOLE = 'Yonicole' (PBR) (22c) (H3)
'Nora Brook' (25b) (H3)
~ disbudded, in the open
'Nuflair' (24b) (H3)
~ disbudded, in the open
'Nurosemary' (9d) (H2)
~ spray, under glass
'Orange Shoesmith Salmon' (4b) (H2)
~ disbudded, under glass
'Orno' (29b) (H3)
~ spray, in the open
'Payton Dale' (29c) (H3)
~ spray, in the open
'Payton Prince' (29c) (H3)
~ spray, in the open
'Peach Allouise' (25b) (H3)
~ disbudded, in the open
'Peach Enbee Wedding' (29d) (H3)
~ spray, in the open
'Peach Fiji' (9c) (H2)
~ spray, under glass
'Peak Glow' (H3)
'Pennine Alfie' (29f) (H3)
~ spray, for garden decoration, grown in the open
without overhead protection at flowering time
'Pennine Calypso' (29b) (H3)
~ spray, in the open
'Pennine Canary' (29c) (H3)
~ spray, in the open
'Pennine Club' (29d) (H3)
~ spray, in the open
'Pennine Flute' (29f) (H3)
~ spray, in the open
'Pennine Gambol' (29a) (H3)
~ spray, in the open
'Pennine Ginger' (29c) (H3)
~ spray, in the open
'Pennine Glory' (29c) (H3)
'Pennine Goal' (29c) (H3)
~ spray, in the open
'Pennine Jade' (29d) (H3)
~ spray, in the open
'Pennine Jude' (29a) (H3)
~ spray, in the open
'Pennine Lace' (29f) (H3)
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~ spray, for garden decoration, grown in the open
without overhead protection at flowering time
'Pennine Lotus' (29c) (H3)
~ spray, in the open
'Pennine Magic' (29c) (H3)
~ spray, in the open
'Pennine Magnet' (29a) (H3)
~ spray, in the open
'Pennine Marie' (29a) (H3)
~ spray, in the open
'Pennine Oriel' (29a) (H3)
~ spray, in the open
'Pennine Phyllis' (29b) (H3)
~ spray, in the open
'Pennine Polo' (29d) (H3)
'Pennine Signal' (29d) (H3)
~ spray, in the open
'Pennine Silver' (29c) (H3)
~ spray, in the open
'Pennine Soldier' (29d) (H3)
~ spray, in the open
'Pennine Sweetheart' (29c) (H3)
~ spray, in the open
'Pennine Tango' (29d) (H3)
~ spray, in the open
'Pennine Twinkle' (29a) (H3)
~ spray, in the open
'Pennine Whistle' (29f) (H3)
~ spray, in the open
'Pink Deane Joy' (9a) (H2)
~ late flowering
'Pink Frill' (9f) (H2)
~ spray, under glass
'Pink Gin' (9c) (H2)
~ spray, under glass
'Pink Julie Ann' (24b) (H3)
~ disbudded, in the open
'Pink Margaret' (29c) (H3)
~ spray, in the open
'Pink Nurosemary' (9d) (H2)
~ spray, under glass
'Pinocchio' (29c) (H3)
'Poppet' (28a) (H3)
~ spray, in the open
'Primrose Allouise' (24b) (H3)
~ disbudded, in the open
'Primrose Enbee Wedding' (29d) (H3)
'Primrose Mayford Perfection' (5a) (H2)
~ disbudded, under glass
'Princess Anne' (4b) (H2)
~ disbudded; late-flowering
'Purple Pennine Wine' (29c) (H3)
~ spray, in the open
'Purple Shoesmith Salmon' (4a) (H2)
~ disbudded, under glass
'Purple Talbot Parade' (H3)
'Red Bagley Tang' (15b) (H2)
~ disbudded, under glass
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Red Medallion' (H2)
~ spray, under glass
'Red Resilient' (4b) (H2)
~ late flowering
'Red Wendy' (29c) (H3)
~ spray, in the open
'Regalia' (24b) (H3)
~ disbudded, in the open
'Resilient' (4b) (H2)
~ disbudded, under glass
'Robeam' (9c) (H2)
~ spray, under glass
'Ropure' (9c) (H2)
~ late flowering
'Rose Mayford Perfection' (5a) (H2)
~ disbudded, under glass
'Rosedew' (25a) (H3)
~ disbudded, in the open
'Roy Coopland' (5b) (H2)
~ disbudded, under glass
'Royal Fiji' (9c) (H2)
~ spray, under glass
'Royal Knight' (22c) (H3)
~ spray, for garden decoration, grown in the open
without overhead protection at flowering time
'Ruby Enbee Wedding' (29d) (H3)
'Rylands Gem' (24b) (H3)
~ disbudded, in the open
'Rynoon' (9d) (H2)
~ spray, under glass
'Rystar' (9d) (H2)
~ spray, under glass
'Salmon Cassandra' (5b) (H2)
~ disbudded, under glass
'Salmon Enbee Wedding' (29d) (H3)
~ spray, in the open
'Salmon Fairie' (28a) (H3)
~ spray, for garden decoration, grown in the open
without overhead protection at flowering time
'Salmon Nurosemary' (9d) (H2)
~ spray, under glass
'Salmon Pennine Rose' (29b) (H3)
~ spray, in the open
'Salmon Pennine Wine' (29c) (H3)
~ spray, in the open
'Salmon Talbot Parade' (29c) (H3)
~ spray, in the open
'Satin Pink Gin' (PBR) (9c) (H2)
~ spray, under glass
'Shoesmith Salmon' (4a) (H2)
~ disbudded, under glass
'Snowdon' (5b/9c) (H2)
~ disbudded, under glass
'Solley' (29c) (H3)
~ spray, in the open
'Southway Sure' (29d) (H3)
~ spray, in the open
'Southway Swan' (29d) (H3)
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15
~ spray, in the open
'Sputnik' (9f) (H2)
~ late flowering
'Stockton' (3b) (H2)
~ disbudded; late-flowering
SUNNY LINDA = 'Sunny Lindayo' (22c) (H3)
'Superbronze Shoesmith Salmon' (H2)
~ disbudded, under glass
'Susan's Bonnet' (29a) (H3)
'Swalwell' (25b) (H3)
~ disbudded, in the open
'Talbot Bouquet' (29a) (H3)
~ spray, in the open
'Talbot Imp' (29c) (H3)
~ spray, in the open
'Talbot Parade' (29c) (H3)
~ spray, in the open
'Tightrope' (H3)
'Tricia' (9d) (H2)
~ spray, under glass
'Turner' (H3)
'Vibrant' (9c) (H2)
~ spray, under glass
'Victor Rowe' (5b) (H2)
~ disbudded, under glass
'Wendy' (29c) (H3)
~ spray, in the open
'Wessex Shell' (29d) (H3)
~ spray, in the open
'Wessex Tang' (29d) (H3)
~ spray, in the open
'White Allouise' (25b) (H3)
~ disbudded, in the open
'White Margaret' (29c) (H3)
~ spray, in the open
'White Rynoon' (9d) (H2)
~ late flowering
'White Sands' (9a) (H2)
~ spray, under glass
'Yellow American Beauty' (5b) (H2)
~ disbudded, under glass
'Yellow Fairie' (28b) (H3)
~ spray, in the open
'Yellow Galaxy' (9d) (H2)
~ spray, under glass
'Yellow Heide' (29c) (H3)
~ spray, in the open
'Yellow John Hughes' (3b) (H2)
~ disbudded, under glass
'Yellow Long Island Beauty' (6a) (H2)
~ spray, under glass
'Yellow Mancetta Bride' (H3)
'Yellow Margaret' (29c) (H3)
~ spray, in the open
'Yellow Mayford Perfection' (5a) (H2)
~ disbudded, under glass
'Yellow Nurosemary' (9d) (H2)
~ spray, under glass
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Yellow Pennine Oriel' (29a) (H3)
~ spray, in the open
'Yellow Resilient' (5b) (H2)
~ disbudded, under glass
'Yellow Rio' (22d) (H3)
'Yellow Shoesmith Salmon' (4a) (H2)
~ disbudded, under glass
yezoense (H4)
'Yvonne Arnaud' (24b) (H3)
~ disbudded, in the open
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Chrysothemis (Gesneriaceae)
93
pulchella (H1)
~ min. 10C
Chusquea (Poaceae)
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93
93
93
02
93
93
02
93
93
93
93
93
02
02
02
93
02
02
culeou (H4)
Cissus (Vitaceae)
93
93
93
antarctica (H1)
~ min. 2C
rhombifolia (H1)
~ min. 10C
—'Ellen Danica' (H1)
~ min. 10C
Cistus (Cistaceae)
93
93
93
93
93
02
93
93
93
02
93
93
02
× aguilarii 'Maculatus' (H3)
× argenteus 'Peggy Sammons' (H3)
× cyprius (H4)
—var. ellipticus 'Elma' (H3)
× dansereaui 'Decumbens' (H4)
'Grayswood Pink' (H4)
ladanifer L. (H3)
laurifolius (H4)
populifolius subsp. major (H3)
~ awarded as Cistus populifolius var. lasiocalyx
× pulverulentus 'Sunset' (H3)
× purpureus (H3)
× skanbergii (H3)
'Snow Fire' (H4)
× Citrofortunella (Rutaceae)
93
02
microcarpa (F) (H1)
~ min. 10C
—'Tiger' (v/F) (H1)
~ min. 10C
Citrus (Rutaceae)
02
02
limon 'Variegata' (F/v) (H1)
~ min. 10C
× meyeri 'Meyer' (F) (H1)
~ min. 2C
Cleistocactus (Cactaceae)
93
93
ritteri (H1)
~ min. 2-10C
strausii (H1)
~ min. 2-10C
Clematis (Ranunculaceae)
02
02
93
02
93
02
'Abundance' (Vt) (H4)
ALABAST = 'Poulala' (PBR) (Fl) (H4)
'Alba Luxurians' (Vt) (H4)
'Alionushka' (D) (H4)
alpina (A) (H4)
—'Constance' (A) (H4)
16
—'Foxy' (A) (H4)
—'Frances Rivis' (A) (H4)
—'Frankie' (A) (H4)
—'Jacqueline du Pré' (A) (H4)
—'Pink Flamingo' (A) (H4)
—'White Columbine' (A) (H4)
ANNA LOUISE = 'Evithree' (PBR) (P) (H4)
'Arabella' (D) (H4)
ARCTIC QUEEN = 'Evitwo' (PBR) (Fl) (H4)
armandii 'Apple Blossom' (H4)
'Betty Corning' (VtxT) (H4)
'Bill MacKenzie' (Ta) (H4)
~ reconfirmed after trial 2001; plants raised from
seed are not entitled to this cultivar name
'Blekitny Aniol' (J/Vt) (H4)
× cartmanii hort. 'Avalanche' (PBR) (Fo) (H3)
cirrhosa 'Freckles' (H3)
—'Wisley Cream' (H3)
'Comtesse de Bouchaud' (J) (H4)
'Daniel Deronda' (P) (H4)
× durandii (D) (H4)
'Edith' (L) (H4)
'Ernest Markham' (J/Vt) (H4)
'Etoile Violette' (Vt) (H4)
'Fuji-musume' (L) (H4)
'Gillian Blades' (P) (H4)
'Gipsy Queen' (J) (H4)
GOLDEN TIARA = 'Kugotia' (PBR) (Ta) (H4)
'Helsingborg' (A) (H4)
'Henryi' (P) (H4)
'Huldine' (Vt) (H4)
integrifolia 'Pangbourne Pink' (H4)
—'Rosea' (H4)
'Jackmanii' (J) (H4)
'John Huxtable' (J) (H4)
JOSEPHINE = 'Evijohill' (PBR) (H4)
× jouiniana 'Praecox' (H4)
'Ken Donson' (L) (H4)
'Kermesina' (Vt) (H4)
'Lasurstern' (P) (H4)
macropetala 'Lagoon' Jackman 1959 (A/d) (H4)
—'Markham's Pink' (A/d) (H4)
'Madame Grangé' (J) (H4)
'Madame Julia Correvon' (Vt) (H4)
'Marie Boisselot' (L) (H4)
marmoraria (Fo) (H2-3)
'Minuet' (Vt) (H4)
'Miss Bateman' (P) (H4)
montana f. grandiflora (H4)
—var. rubens 'Broughton Star' (d) (H4)
——'Elizabeth' (H4)
——'Freda' (H4)
——'Mayleen' (H4)
——'Tetrarose' (H4)
'Mrs Cholmondeley' (L) (H4)
'Mrs George Jackman' (P) (H4)
'Nelly Moser' (L/P) (H4)
'Niobe' (J) (H4)
'Pagoda' (PxVt) (H4)
'Paul Farges' (H4)
PETIT FAUCON = 'Evisix' (PBR) (H4)
'Polish Spirit' (Vt) (H4)
'Prince Charles' (J) (H4)
'Princess Diana' (T) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
02
93
02
93
93
02
02
93
93
93
93
02
02
93
02
93
rehderiana (H4)
'Rhapsody' F. Watkinson (P) (H4)
'Richard Pennell' (P) (H4)
'Rosy O'Grady' (A) (H4)
'Royal Velours' (Vt) (H4)
'Royalty' (LxP) (H4)
'Sunset' (J) (H4)
tangutica 'Lambton Park' (H4)
'The President' (P) (H4)
× triternata 'Rubromarginata' (H4)
tubulosa 'Wyevale' (H) (H4)
~ previously listed under C. heracleifolia var.
davidiana
'Venosa Violacea' (Vt) (H4)
'Victoria' (J) (H4)
viticella (H4)
—'Purpurea Plena Elegans' (d) (H4)
'Warszawska Nike' (J) (H4)
'Will Goodwin' (L) (H4)
93
93
97
97
97
Colocasia (Araceae)
93
02
93
02
93
93
hassleriana 'Helen Campbell' (H3)
93
Clerodendrum (Verbenaceae)
02
02
93
93
93
chinense var. chinense (d) (H1)
~ min. 15C; awarded as Clerodendrum chinense
'Pleniflorum'
myricoides 'Ugandense' (H1)
~ min. 15C
splendens (H1)
~ min. 15C
thomsoniae (H1)
~ min. 15C
trichotomum var. fargesii (H4)
02
02
02
02
02
alnifolia 'Paniculata' (H4)
barbinervis (H4)
02
Clianthus (Papilionaceae)
93
93
02
puniceus (H2)
—'Albus' (H2)
02
Clivia (Amaryllidaceae)
93
93
02
02
miniata (H1)
~ min. 2C
—'Aurea' (H1)
~ min. 2C
—var. citrina (H1)
~ min. 2C
nobilis (H1)
~ min. 2C
93
93
93
93
cneorum (H3)
sabatius (H3)
tricolor 'Blue Ensign' (H4)
Copiapoa (Cactaceae)
93
scandens (H3)
—f. alba (H3)
hypogaea (H1)
~ min. 2-10C
Coprosma (Rubiaceae)
02
grey-wilsonii (H4)
~ previously listed as C. convolvulacea, under
which name the plant is widely cultivated
02
repens 'Marble Queen' (m/v) (H1-2)
~ min. 2C
—'Picturata' (m/v) (H1-2)
~ min. 2C
Cordyline (Agavaceae)
Colchicum (Colchicaceae)
93
97
93
97
97
majalis (H4)
Convolvulus (Convolvulaceae)
Codonopsis (Campanulaceae)
93
bilobum (H1)
~ min. 2C
flavum (H1)
~ min. 2C
gratum (H1)
~ min. 2C
longum (H1)
~ min. 2C
minimum (H1)
~ min. 2C
obcordellum (H1)
~ min. 2C
pellucidum (H1)
~ min. 2C
truncatum (H1)
~ min. 2C
Convallaria (Convallariaceae)
Cobaea (Cobaeaceae)
93
93
× banksii (H1)
~ min. 15C
'Chanticleer' (H1)
~ min. 10C
gloriosa 'Superba' (H1)
~ min. 15C
hirta (H1)
~ min. 10C
'Kewensis Variegata' (v) (H1)
~ min. 10C
'Stavanger' (H1)
~ min. 10C
Conophytum (Aizoaceae)
Clethra (Clethraceae)
93
93
esculenta (H1)
~ min. 15C
Columnea (Gesneriaceae)
Cleome (Capparaceae)
93
speciosum (H4)
—'Album' (H4)
—'Cedric Morris' (H4)
tenorei (H4)
'Waterlily' (d) (H4)
93
94
02
02
02
agrippinum (H4)
autumnale 'Nancy Lindsay' (H4)
byzantinum (H4)
'Pink Goblet' (H4)
'Rosy Dawn' (H4)
17
australis (H3)
—'Albertii' (v) (H3)
—'Sundance' (H3)
—'Torbay Dazzler' (v) (H3)
—'Torbay Red' (H3)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
02
02
02
02
02
fruticosa 'Amabilis' (H1)
~ min. 10C
—'Baptistii' (H1)
~ min. 10C
—'Firebrand' (H1)
~ min. 10C
—'Guilfoylei' (H1)
~ min. 10C
—'Red Edge' (H1)
~ min. 10C
93
00
Corylopsis (Hamamelidaceae)
93
93
93
01
01
01
93
93
tinctoria 'Sunrise' (H4)
verticillata 'Grandiflora' (H4)
~ reconfirmed after trial 2001
—'Moonbeam' (H4)
—'Old Timer' (H4)
—'Zagreb' (H4)
02
93
93
99
93
93
93
93
93
93
93
93
93
93
93
93
93
93
valentina subsp. glauca (H3)
——'Citrina' (H3)
93
93
93
93
93
alba 'Pinkie' (H2)
backhouseana (H2)
'Dusky Bells' (H2)
'Mannii' (H2)
'Marian's Marvel' (H2)
pulchella (H2)
reflexa (H2)
00
00
00
adpressus (H4)
atropurpureus 'Variegatus' (v) (H4)
bullatus (H4)
cashmiriensis (H4)
~ usually grown as C. cochleatus
conspicuus 'Decorus' (H4)
~ as grown in gardens
dammeri (H4)
frigidus 'Cornubia' (H4)
horizontalis (H4)
integrifolius (H4)
~ often sold as C. microphyllus
lacteus (H4)
salicifolius 'Rothschildianus' (H4)
simonsii (H4)
sternianus (H4)
× watereri 'John Waterer' (H4)
Crambe (Brassicaceae)
93
02
cordifolia (H4)
maritima (H4)
Crassula (Crassulaceae)
richardii (Endl.) Zotov (H3-4)
selloana 'Aureolineata' (v) (H3)
—'Pumila' (H4)
—'Sunningdale Silver' (H3)
93
93
Corydalis (Papaveraceae)
00
02
93
coggygria (H4)
—'Royal Purple' (H4)
'Flame' (H4)
obovatus (H4)
Cotoneaster (Rosaceae)
Cortaderia (Poaceae)
02
93
93
93
bipinnatus 'Sensation Pinkie' (H4)
—Sonata Series (H4)
~ sold as a mixture
Cotinus (Anacardiaceae)
Correa (Rutaceae)
02
93
02
93
02
02
02
andreae (H1)
~ min. 2-10C
pallida (H1)
~ min. 2-10C
Cosmos (Asteraceae)
alba 'Aurea' (H4)
—'Elegantissima' (v) (H4)
—'Sibirica' (H4)
—'Spaethii' (v) (H4)
alternifolia 'Argentea' (v) (H4)
canadensis (H4)
controversa 'Variegata' (v) (H4)
'Eddie's White Wonder' (H4)
florida 'Cherokee Chief' (H4)
kousa var. chinensis (H4)
—'Satomi' (H4)
mas 'Golden Glory' (H4)
—'Variegata' (v) (H4)
'Norman Hadden' (H4)
'Porlock' (H4)
sericea 'Flaviramea' (H4)
~ awarded as Cornus stolonifera 'Flaviramea'
—'White Gold' (v) (H4)
~ awarded as Cornus stolonifera 'White Gold'
Coronilla (Papilionaceae)
93
93
colurna (H4)
maxima 'Purpurea' (F) (H4)
Coryphantha (Cactaceae)
Cornus (Cornaceae)
95
93
93
93
93
93
93
93
93
93
93
02
93
93
93
93
pauciflora (H4)
sinensis var. calvescens f. veitchiana (H4)
—var. sinensis (H4)
Corylus (Corylaceae)
Coreopsis (Asteraceae)
93
93
~ previously listed under f. transsylvanica
——'George Baker' (H4)
~ previously listed under f. transsylvanica;
reconfirmed after trial 2000
triternata (H4)
93
decipiens hort. (H4)
flexuosa (H4)
malkensis (H4)
~ re-confirmed after Trial, 2000
schanginii subsp. ainii (H2)
solida subsp. incisa (H4)
—subsp. solida 'Dieter Schacht' (H4)
93
93
18
falcata (H1)
~ min. 10C
ovata (H1)
~ min. 10C
—'Hummel's Sunset' (v) (H1)
~ min. 10C
pyramidalis (H1)
~ min. 10C
rupestris (H1)
~ min. 10C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Crataegus (Rosaceae)
93
93
93
93
Cryptanthus (Bromeliaceae)
laevigata 'Paul's Scarlet' (d) (H4)
—'Rosea Flore Pleno' (d) (H4)
× lavalleei 'Carrierei' (H4)
~ often listed as C. x lavalleei
persimilis 'Prunifolia' (H4)
93
93
93
Crepis (Asteraceae)
93
incana (H4)
93
Crinodendron (Elaeocarpaceae)
93
hookerianum (H3)
93
Crinum (Amaryllidaceae)
93
97
× powellii (H3)
—'Album' (H3)
93
Cryptomeria (Cupressaceae)
Crocosmia (Iridaceae)
02
93
02
93
93
02
02
× crocosmiiflora 'Carmin Brillant' (H3-4)
—'Solfatare' (H3)
—'Star of the East' (H3)
'Lucifer' (H4)
masoniorum (H3)
—'Rowallane Yellow' (H3-4)
'Severn Sunrise' (H3-4)
93
93
93
98
93
93
angustifolius (H4)
banaticus (H4)
cartwrightianus (H4)
—'Albus' Tubergen (H4)
chrysanthus (H4)
—'Blue Pearl' (H4)
—'Cream Beauty' (H4)
—'E.A. Bowles' (H4)
—'Ladykiller' (H4)
—'Snow Bunting' (H4)
—'Zwanenburg Bronze' (H4)
corsicus (H4)
etruscus (H4)
flavus subsp. flavus (H4)
goulimyi (H4)
—subsp. goulimyi 'Mani White' (H4)
hadriaticus (H4)
imperati (H4)
kotschyanus (H4)
laevigatus (H4)
longiflorus (H4)
× luteus 'Golden Yellow' (H4)
malyi (H2-4)
medius (H4)
ochroleucus (H4)
pulchellus (H4)
sieberi (H4)
—'Albus' (H4)
—'Hubert Edelsten' (H4)
—subsp. sublimis 'Tricolor' (H4)
speciosus (H4)
—'Albus' (H4)
tommasinianus (H4)
tournefortii (H2-4)
'Zephyr' (H4)
~ awarded as C. pulchellus 'Zephyr'
93
93
amabilis (H1)
~ min. 15C
lubbersiana (H1)
~ min. 15C
oppenheimiana 'Tricolor' (H1)
~ min. 15C
Cuphea (Lythraceae)
93
93
hyssopifolia (H1)
~ min. 2C
ignea (H1)
~ min. 2C
× Cupressocyparis (Cupressaceae)
02
93
93
leylandii (H4)
—'Gold Rider' (H4)
—'Robinson's Gold' (H4)
Cupressus (Cupressaceae)
02
93
93
93
02
93
arizonica var. glabra 'Blue Ice' (H3)
—'Pyramidalis' (H3)
cashmeriana (H2)
~ previously listed as C. torulosa 'Cashmeriana'
macrocarpa 'Goldcrest' (H3)
—'Golden Pillar' (H3)
sempervirens Stricta Group (H3)
~ previously listed as C. sempervirens 'Stricta'
Cyananthus (Campanulaceae)
93
93
lobatus (H4)
microphyllus (H4)
Cyanotis (Commelinaceae)
93
93
kewensis (H1)
~ min. 10C
somaliensis (H1)
~ min. 10C
Cycas (Cycadaceae)
93
Crossandra (Acanthaceae)
02
japonica (H4)
—'Bandai-sugi' (H4)
—'Elegans Compacta' (H4)
—'Globosa Nana' (H4)
—'Vilmoriniana' (H4)
Ctenanthe (Marantaceae)
Crocus (Iridaceae)
93
93
93
94
93
93
93
93
93
93
93
93
93
93
93
94
94
93
93
94
94
93
93
93
94
93
93
93
93
93
93
94
93
93
94
bivittatus (H1)
~ min. 10C
—'Pink Starlight' (v) (H1)
~ min. 10C
bromelioides var. tricolor (v) (H1)
~ min. 10C
fosterianus (H1)
~ min. 10C
'It' (v) (H1)
~ min. 10C
zonatus (H1)
~ min. 10C
revoluta (H1)
~ min. 2C
Cyclamen (Primulaceae)
infundibuliformis (H1)
~ min. 15C
93
95
19
cilicium (H2-4)
'Concerto Apollo' (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
96
96
96
96
93
96
96
96
96
93
95
95
95
95
93
93
93
95
95
95
95
95
~ min. 5C
~ from seed; min. 2C
coum (H4)
—subsp. coum f. coum Pewter Group (H2-4)
hederifolium (H4)
'Laser Rose' (H2)
~ intermediate type
'Laser Salmon with Eye' (H2)
~ intermediate type
'Laser Scarlet' (H2)
~ intermediate type
'Laser White' (H2)
~ intermediate type
mirabile (H2-3)
'Miracle Deep Rose' (H2)
~ miniature
'Miracle Deep Salmon' (H2)
~ miniature
'Miracle Scarlet' (H2)
~ miniature
'Miracle White' (H2)
~ miniature
peloponnesiacum (H2-3)
~ previously listed as Cyclamen repandum subsp.
peloponnesiacum
persicum 'Halios Bright Fuchsia' (H1)
~ from seed; min. 2C
—'Halios Scarlet Red' (H1)
~ from seed; min. 2C
—'Halios Violet' (H1)
~ from seed; min. 2C; awarded as C. 'Halios
Cattleya Violet'
—'Halios White' (H1)
~ from seed; min. 2C
pseudibericum (H2-3)
purpurascens (H4)
repandum subsp. repandum (H3)
'Sierra Fuchsia' (Sierra Series) (H1)
~ from seed; min. 2C
'Sierra Light Purple' (Sierra Series) (H1)
~ from seed; min. 2C
'Sierra Pink With Eye' (Sierra Series) (H1)
~ from seed; min. 2C
'Sierra Scarlet' (Sierra Series) (H1)
~ from seed; min. 2C
'Sierra White With Eye' (Sierra Series) (H1)
~ from seed; min. 2C
Cyrtanthus (Amaryllidaceae)
93
02
Cyrtomium (Dryopteridaceae)
93
97
93
93
94
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
02
02
elata (H4)
foliosa (H4)
Dahlia (Asteraceae)
96
94
93
99
96
00
94
97
98
95
96
99
95
02
02
95
95
96
95
95
93
94
02
oblonga 'Vranja' Nenadovic (F) (H4)
cardunculus (H3-4)
amabile (H4)
Cyperus (Cyperaceae)
93
cantabrica f. alba 'David Moss' (H4)
—'Bicolor' (H4)
—subsp. scotica 'Jack Drake' (H4)
——'Silverwells' (H4)
——'William Buchanan' (H4)
—'Waley's Red' (H4)
Dactylorhiza (Orchidaceae)
Cynoglossum (Boraginaceae)
93
ardoinoi (H4)
battandieri (H4)
—'Yellow Tail' (H4)
× beanii (H4)
'Boskoop Ruby' (H4)
'Burkwoodii' (H4)
'Hollandia' (H4)
× kewensis (H4)
~ only for the largest of rock gardens
'Lena' (H4)
multiflorus (H4)
× praecox 'Allgold' (H4)
—'Warminster' (H4)
scoparius f. andreanus (H4)
'Zeelandia' (H4)
Daboecia (Ericaceae)
Cynara (Asteraceae)
93
falcatum (H3)
~ min. 2C
fortunei (H4)
Cytisus (Papilionaceae)
Cydonia (Rosaceae)
93
elatus (H1)
~ min. 10C
falcatus (H1)
~ min. 2C
involucratus (H1)
~ min. 2C
papyrus (H1)
~ min. 5C
—'Nanus' (H1)
20
'Allan Sparkes' (SWL) (H3)
'Almand's Climax' (GD) (H3)
'Alva's Doris' (SS-c) (H3)
'Alva's Supreme' (GD) (H3)
'Andrew Magson' (SS-c) (H3)
'Asahi Chohje' (Anem) (H3)
'Autumn Lustre' (SWL) (H3)
'Aylett's Gaiety' (MinD/DwB) (H3)
'Bednall Beauty' (Misc/DwB) (H3)
'Bishop of Llandaff' (Misc) (H3)
'Bridge View Aloha' (MS-c) (H3)
'Brookfield Delight' (Sin/Lil) (H3)
'Candy Cupid' (MinBa) (H3)
'Catherine Bateson' (MinWL) (H3)
'Chessy' (Sin/Lil) (H3)
'Clair de Lune' (Col) (H3)
'Cream Alva's' (GD) (H3)
'Dark Stranger' (MC) (H3)
'Davar Donna' (MS-c) (H3)
'David Howard' (MinD) (H3)
'Ellen Huston' (Sin/DwB) (H3)
'Fascination' (SWL/DwB) (H3)
Figaro Series (H3)
~ sold as a mixture
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Figurine' (SWL) (H3)
'Finchcocks' (SWL) (H3)
'Freya's Paso Doble' (Anem) (H3)
'Freya's Thalia' (Sin/Lil) (H3)
'Gallery Art Deco' (PBR) (SD) (H3)
'Gallery Art Nouveau' (PBR) (MinD) (H3)
'Gallery Cobra' (PBR) (MinD) (H3)
'Gallery Degas' (PBR) (MinD) (H3)
'Gallery Leonardo' (PBR) (SD) (H3)
'Gallery Pablo' (PBR) (SD) (H3)
'Gallery Renoir' (PBR) (SD) (H3)
'Gallery Vincent' (PBR) (MinD) (H3)
'Garden Party' (MC/DwB) (H3)
'Geerlings' Indian Summer' (MS-c) (H3)
'Geoffrey Kent' (MinD) (H3)
'Glorie van Heemstede' (SWL) (H3)
'Hamari Accord' (LS-c) (H3)
'Hamari Bride' (MS-c) (H3)
'Hamari Gold' (GD) (H3)
'Hamari Rosé' (MinBa) (H3)
'Hamari Sunshine' (LD) (H3)
'Hamilton Lillian' (SD) (H3)
'Harvest Amanda' (Sin/Lil) (H3)
'Harvest Inflammation' (Sin/Lil) (H3)
'Harvest Samantha' (Sin/Lil) (H3)
'Harvest Tiny Tot' (Sin/Lil) (H3)
'Hillcrest Desire' (SC) (H3)
'Hillcrest Royal' (MC) (H3)
'Honka' (Misc) (H3)
'Ice Cream Beauty' (SWL) (H3)
'Jeanette Carter' (MinD) (H3)
'John Street' (SWL) (H3)
'Jomanda' (MinBa) (H3)
'Karenglen' (MinD) (H3)
'Kathleen's Alliance' (SC) (H3)
'Kathryn's Cupid' (MinBa) (H3)
'Kenora Sunset' (MS-c) (H3)
'Kenora Valentine' (LD) (H3)
'Kidd's Climax' (GD) (H3)
'Lemon Elegans' (SS-c) (H3)
'Lilac Taratahi' (SC) (H3)
'Lismore Willie' (SWL) (H3)
'Little Dorrit' (Sin/Lil) (H3)
'Marie Schnugg' (Misc) (H3)
'Minley Carol' (Pom) (H3)
'Moonfire' (Misc/DwB) (H3)
'Nicola Jane' (Pom) (H3)
'NZ's Robert' (MinWL/Lil) (H3)
'Omo' (Sin/Lil) (H3)
'Peach Cupid' (MinBa) (H3)
'Peachette' (Misc/Lil) (H3)
'Pearl of Heemstede' (SD) (H3)
'Phill's Pink' (SD) (H3)
'Pink Pastelle' (MS-c) (H3)
'Pink Sensation' (SC) (H3)
'Porcelain' (SWL) (H3)
'Preston Park' (Sin/DwB) (H3)
'Small World' (Pom) (H3)
'So Dainty' (MinS-c) (H3)
'Tally Ho' (Misc) (H3)
'Taratahi Ruby' (SWL) (H3)
'Tu Jays Nicola' (Misc) (H3)
'Wandy' (Pom) (H3)
'Weston Pirate' (MinC) (H3)
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'Weston Spanish Dancer' (MinC) (H3)
'White Alva's' (GD) (H3)
'White Ballet' (SD) (H3)
'Wittemans Superba' (SS-c) (H3)
'Wootton Cupid' (MinBa) (H3)
'Wootton Impact' (MS-c) (H3)
'Yellow Hammer' (Sin/DwB) (H3)
'Yelno Harmony' (SD) (H3)
'Zorro' (GD) (H3)
Daphne (Thymelaeaceae)
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02
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02
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arbuscula (H4)
bholua 'Jacqueline Postill' (H3)
× burkwoodii (H4)
—'G.K. Argles' (v) (H4)
cneorum 'Eximia' (H4)
× napolitana (H4)
odora 'Aureomarginata' (v) (H3-4)
pontica (H4)
tangutica (H4)
—Retusa Group (H4)
Darlingtonia (Sarraceniaceae)
93
californica (H1)
~ min. 2C
Darmera (Saxifragaceae)
93
peltata (H4)
~ can be invasive
Dasylirion (Dracaenaceae)
02
wheeleri (H1)
~ min. 2C
Datura (Solanaceae)
02
inoxia (H3)
~ can be annual or perennial
Davallia (Davalliaceae)
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93
canariensis (H1)
~ min. 10C
mariesii (H3)
~ min. 2C
Davidia (Cornaceae)
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93
involucrata (H4)
—var. vilmoriniana (H4)
Delosperma (Aizoaceae)
02
aberdeenense (H1)
~ min. 2C
Delphinium (Ranunculaceae)
01
01
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21
'Atholl' (H4)
(Belladonna Group) 'Atlantis' (H4)
'Blue Dawn' (H4)
'Blue Nile' (H4)
'Bruce' (H4)
'Can-can' (H4)
'Cassius' (H4)
'Cherub' (H4)
'Claire' (H4)
'Clifford Sky' (H4)
'Conspicuous' (H4)
'Constance Rivett' (H4)
'Elizabeth Cook' (H4)
'Emily Hawkins' (H4)
'Faust' (H4)
'Fenella' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Galileo' (H4)
'Gillian Dallas' (H4)
'Giotto' (H4)
'Langdon's Royal Flush' (H4)
'Lilian Bassett' (H4)
'Loch Leven' (H4)
'Lord Butler' (H4)
'Lucia Sahin' (H4)
'Michael Ayres' (H4)
'Min' (H4)
'Olive Poppleton' (H4)
'Oliver' (H4)
'Our Deb' (H4)
'Rosemary Brock' (H4)
'Sandpiper' (H4)
'Spindrift' (H4)
'Summerfield Miranda' (H4)
'Sungleam' (H4)
'Sunkissed' (H4)
'Tiddles' (H4)
'Walton Gemstone' (H4)
00
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Desfontainia (Loganiaceae)
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01
spinosa (H3)
Desmodium (Papilionaceae)
02
elegans (H4)
Deutzia (Hydrangeaceae)
93
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02
93
× elegantissima 'Rosealind' (H4)
× hybrida 'Mont Rose' (H4)
—'Strawberry Fields' (H4)
longifolia 'Veitchii' (H4)
ningpoensis (H4)
setchuenensis var. corymbiflora (H4)
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Dianthus (Caryophyllaceae)
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02
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'Alfriston' (b) (H4)
alpinus (H4)
—'Joan's Blood' (H4)
'Ander's Kath Philips' (pf) (H4)
'Ann Franklin' (pf) (H1)
~ min. 2C
'Ann Unitt' (pf) (H1)
~ min. 2C
× arvernensis (p) (H4)
barbatus 'Auricula-Eyed Mixed' (H4)
—Nigrescens Group (p,a) (H4)
'Becky Robinson' (p) (H4)
'Betty Morton' (p) (H4)
'Betty's Pink' (b) (H4)
'Bovey Belle' (p) (H4)
'Brilliant Star' (p) (H4)
'Bryony Lisa' (b) (H4)
'Calypso Star' (p) (H4)
CARMINE VALDA = 'Devon Louise' (p) (H4)
'Chesswood Sandilands' (p) (H4)
'Chetwyn Doris' (p) (H4)
'Chris Crew' (b) (H4)
'Christine Dickinson' (pf) (H4)
'Claire Tautz' (b) (H4)
'Claret Joy' (p) (H4)
'Coronation Ruby' (p) (H4)
'Cranmere Pool' (p) (H4)
'Crimson Joy' (p) (H4)
CRIMSON VALDA = 'Devon Kitty' (p) (H4)
02
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22
'Dainty Dame' (p) (H4)
'Dark Pierrot' (pf) (H1)
~ min. 2C
'David Russell' (b) (H4)
'David Saunders' (b) (H4)
deltoides (H4)
'Devon Carla' (p) (H4)
'Devon Dove' (PBR) (p) (H4)
'Devon Glow' (PBR) (p) (H4)
'Devon Maid' (PBR) (p) (H4)
'Devon Pride' (p) (H4)
'Devon Wizard' (PBR) (p) (H4)
'Diane' (p) (H4)
'Doris' (p) (H4)
'Dunkirk Spirit' (pf) (H1)
~ min. 2C
'Eileen Neal' (b) (H4)
'Eileen O'Connor' (b) (H4)
'Flanders' (b) (H4)
'Fragrant Ann' (pf) (H1)
~ min. 2C
'Golden Cross' (b) (H4)
'Golden Sceptre' (b) (H4)
'Gran's Favourite' (p) (H4)
gratianopolitanus (H4)
'Grey Dove' (b) (H4)
'Hannah Louise' (b) (H4)
'Haytor Rock' (p) (H4)
'Haytor White' (p) (H4)
'Hazel Ruth' (b) (H4)
'Hot Spice' (p) (H4)
~ previously listed as 'Redstart'
'Houndspool Cheryl' (p) (H4)
'Houndspool Ruby' (p) (H4)
'Howard Hitchcock' (b) (H4)
'Incas' (pf) (H1)
~ min. 2C
'India Star' (PBR) (p) (H4)
'Indios' (pf) (H1)
~ min. 2C
'Inshriach Dazzler' (p) (H4)
'Irene Della-Torré' (b) (H4)
'Irene's Choice' (p) (H4)
'Jacqueline Ann' (pf) (H1)
~ min. 2C
'Jean Knight' (b) (H4)
'Jenny Gascoigne' (p) (H4)
'John Faulkner' (pf) (H1)
~ min. 2C
'John Sandall' (b) (H4)
'Joy' (p) (H4)
'Kathleen Hitchcock' (b) (H4)
'Kesteven Kirkstead' (p) (H4)
'La Bourboule' (p) (H4)
'Lemsii' (p) (H4)
'Leon Tautz' (b) (H4)
'Letitia Wyatt' (p) (H4)
'Linfield Dorothy Perry' (p) (H4)
'Louise's Choice' (p) (H4)
'Maisie Neal' (b) (H4)
'Malaga' (pf) (H1)
~ min. 2C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Mambo' (pf) (H4)
'Marg's Choice' (p) (H4)
'Marion Robinson' (b) (H4)
'Maureen Lambert' (pf) (H1)
~ min. 2C
'Mendlesham Belle' (p) (H4)
'Mendlesham Maid' (p) (H4)
'Michael Saunders' (b) (H4)
'Monica Wyatt' (p) (H4)
'Natalie Saunders' (b) (H4)
'Nichola Ann' (b) (H4)
'Night Star' (p) (H4)
'Oakwood Gillian Garforth' (p) (H4)
'Oakwood Romance' (p) (H4)
'Oakwood Splendour' (p) (H4)
pavonius (H4)
'Peter Wood' (b) (H4)
'Pike's Pink' (p) (H4)
PINK VALDA = 'Devon Judith' (p) (H4)
'Pixie Star' (PBR) (p) (H4)
'Prado' (pf) (H4)
'Rhian's Choice' (p) (H4)
'Riccardo' (b) (H4)
'Rose Joy' (p) (H4)
'Rose Monica Wyatt' (PBR) (p) (H4)
'Royal Scot' (pf) (H1)
~ min. 2C
'Ruth White' (b) (H4)
'Sandra Neal' (b) (H4)
'Sheila's Choice' (p) (H4)
'Spinfield Bridesmaid' (b) (H4)
'Spinfield Happiness' (b) (H4)
'Spinfield Lane' (b) (H4)
'Spinfield Strawberry Crush' (b) (H4)
'Spinfield Verona' (b) (H4)
'Spinfield Wizard' (b) (H4)
'Suffolk Pride' (p) (H4)
'Suffolk Summer' (p) (H4)
'Tamsin' (p) (H4)
'Tamsin Fifield' (b) (H4)
'Tempo' (pf) (H1)
~ min. 2C
'Trisha's Choice' (p) (H4)
'Uncle Teddy' (b) (H4)
'V.E. Jubilation' (pf) (H1)
~ min. 2C
'Valda Wyatt' (p) (H4)
'Whatfield Can-can' (H4)
'Whatfield Magenta' (p) (H4)
'White Joy' (PBR) (p) (H4)
WHITE VALDA = 'Devon Isolde' (p) (H4)
'Whitehill' (p) (H4)
'Whitesmith' (b) (H4)
'Widecombe Fair' (p) (H4)
'Zoe's Choice' (p) (H4)
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Dicentra (Papaveraceae)
02
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93
'Bacchanal' (H4)
'Langtrees' (H4)
'Luxuriant' (H4)
spectabilis (H4)
—'Alba' (H4)
'Stuart Boothman' (H4)
Dicksonia (Dicksoniaceae)
93
97
97
antarctica (H3)
fibrosa (H3)
squarrosa (H2)
Dictamnus (Rutaceae)
93
93
albus var. albus (H4)
—var. purpureus (H4)
Dieffenbachia (Araceae)
02
02
02
02
× bausei (v) (H1)
~ min. 15C
'Camille' (v) (H1)
~ min. 15C
'Exotica' (v) (H1)
~ min. 15C
'Tropic Snow' (v) (H1)
~ min. 15C
Digitalis (Scrophulariaceae)
02
93
93
93
93
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93
ferruginea (H4)
grandiflora (H4)
× mertonensis (H4)
purpurea f. albiflora (Thompson & Morgan)
(H4)
—Excelsior Group (Suttons; Unwins) (H4)
—(Gloxinioides Group) 'The Shirley' (H4)
—'Sutton's Apricot' (H4)
Dionysia (Primulaceae)
93
aretioides (H2)
Dioon (Zamiaceae)
02
edule (H1)
~ min. 5C
Dioscorea (Dioscoreaceae)
02
02
batatas 'Rudolph Rhoers' (H1)
~ min. 5C
elephantipes (H1)
~ min. 5C
Dipelta (Caprifoliaceae)
Diascia (Scrophulariaceae)
95
95
93
02
95
95
95
'Hector's Hardy' (H3-4)
integerrima (H3-4)
'Joyce's Choice' (H3-4)
'Lady Valerie' (H3-4)
'Lilac Belle' (H3-4)
'Lilac Mist' (H3-4)
rigescens (H3)
'Rupert Lambert' (H3-4)
'Twinkle' (H3-4)
vigilis (H3)
barberae 'Blackthorn Apricot' (H3-4)
—'Fisher's Flora' (H3-4)
—'Ruby Field' (H3-4)
CORAL BELLE = 'Hecbel' (PBR) (H3-4)
'Dark Eyes' (H3-4)
'Elizabeth' (H3-4)
'Frilly' (H3-4)
02
floribunda (H4)
Disanthus (Hamamelidaceae)
93
cercidifolius (H4)
Disocactus (Cactaceae)
93
23
nelsonii (H1)
~ min. 2-10C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Dodecatheon (Primulaceae)
94
93
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93
dentatum (H4)
hendersonii (H4)
meadia (H4)
—f. album (H4)
pulchellum (H4)
Dypsis (Arecaceae)
93
Doronicum (Asteraceae)
93
'Miss Mason' (H4)
bellidiformis (H3)
93
Draba (Brassicaceae)
93
longisiliqua (H2)
93
Dracaena (Dracaenaceae)
02
02
93
02
93
93
02
02
93
93
02
93
draco (H1)
~ min. 10C
fragrans (Deremensis Group) 'Lemon Lime' (v)
(H1)
~ min. 15C
—(Deremensis Group) 'Warneckei' (v) (H1)
~ min. 15C
—(Deremensis Group) 'Yellow Stripe' (v) (H1)
~ min. 15C
—'Massangeana' (v) (H1)
~ min. 15C
marginata (v) (H1)
~ min. 15C
—'Tricolor' (v) (H1)
~ min. 15C
—'Variegata' (v) (H1)
~ min. 15C
reflexa 'Variegata' (v) (H1)
~ min. 15C
sanderiana (v) (H1)
~ min. 15C
surculosa 'Florida Beauty' (v) (H1)
~ min. 15C
93
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93
93
93
Drimys (Winteraceae)
02
02
winteri (H4)
Dryas (Rosaceae)
93
93
93
93
octopetala (H4)
—'Minor' (H4)
× suendermannii (H4)
93
Dryopteris (Dryopteridaceae)
93
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97
97
97
97
97
97
97
93
93
93
97
lutescens (H1)
~ min. 10C; awarded as Chrysalidocarpus
lutescens
Echeveria (Crassulaceae)
Dorotheanthus (Aizoaceae)
02
—'Grandiceps Wills' (H4)
wallichiana (H4)
~ there is a lot of variation within this species,
depending upon the country of origin
agavoides (H1)
~ min. 2C
'Bittersweet' (H1)
~ min. 2C
derenbergii (H1)
~ min. 2C
× derosa 'Worfield Wonder' (H1)
~ min. 2C; previously listed as 'Warfield Wonder'
elegans (H1)
~ min. 2C
'Frank Reinelt' (H1)
~ min. 2C
gibbiflora var. metallica (H1)
~ min. 2C
× gilva 'Blue Surprise' (H1)
~ min. 2C
—'Red' (H1)
~ min. 2C
harmsii (H1)
~ min. 2C
leucotricha (H1)
~ min. 2C
'Perle von Nürnberg' (H1)
~ min. 2C
pulidonis (H1)
~ min. 2C
pulvinata (H1)
~ min. 2C
secunda var. glauca (H1)
~ min. 2C; suitable for bedding
setosa (H1)
~ min. 2C
'Victor Reiter' (H1)
~ min. 2C
Echinocereus (Cactaceae)
affinis (H4)
—'Crispa Gracilis' (H4)
~ including cultivated stock of D. 'Crispa
Congesta', which is almost certainly the same
—'Cristata' (H4)
—'Cristata Angustata' (H4)
—'Polydactyla Mapplebeck' (H4)
cycadina (H4)
dilatata (H4)
—'Crispa Whiteside' (H4)
—'Lepidota Cristata' (H4)
erythrosora (H4)
—var. prolifica (H4)
~ awarded as Dryopteris erythrosora 'Prolifera'
filix-mas (H4)
—'Cristata' (H4)
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93
berlandieri (H1)
~ min. 2-10C
reichenbachii (H1)
~ min. 2-10C
subinermis (H1)
~ min. 2-10C
Echinops (Asteraceae)
93
93
96
bannaticus 'Taplow Blue' (H4)
ritro L. (H4)
—subsp. ruthenicus (H4)
Echinopsis (Cactaceae)
93
02
24
ancistrophora (H1)
~ min. 2-10C
chamaecereus (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
~ min. 2C
eyriesii (H1)
~ min. 2-10C
mamillosa var. kermesina (H1)
~ min. 2-10C
Erica (Ericaceae)
93
93
93
93
93
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94
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93
93
93
93
02
02
93
93
02
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02
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02
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93
Echium (Boraginaceae)
02
02
02
candicans (H2-3)
pininana (H2-3)
~ monocarpic
wildpretii (H2-3)
Edraianthus (Campanulaceae)
93
pumilio (H4)
Elaeagnus (Elaeagnaceae)
93
02
93
× ebbingei 'Gilt Edge' (v) (H4)
pungens 'Goldrim' (v) (H4)
'Quicksilver' (H4)
~ usually grown as E. angustifolia var. caspica
Elatostema (Urticaceae)
93
95
repens (H1)
~ min. 10C; previously listed as E. repens var.
repens
—var. pulchrum (H1)
~ min. 15C; awarded as E. pulchra
Embothrium (Proteaceae)
93
coccineum (Lanceolatum Group) 'Ñorquinco'
(H3)
Enkianthus (Ericaceae)
93
93
93
campanulatus (H4)
cernuus f. rubens (H4)
perulatus (H4)
Ensete (Musaceae)
02
ventricosum (H1+3)
~ min. 5C
Epimedium (Berberidaceae)
93
93
93
93
93
93
93
93
93
grandiflorum (H4)
—'Nanum' (H4)
—'Rose Queen' (H4)
—'White Queen' (H4)
× perralchicum (H4)
pinnatum subsp. colchicum (H4)
× rubrum (H4)
× versicolor 'Sulphureum' (H4)
× youngianum 'Niveum' (H4)
Epipremnum (Araceae)
93
93
aureum (H1)
~ min. 10C
pinnatum 'Aztec' (H1)
~ min. 10C
Eranthemum (Acanthaceae)
02
pulchellum (H1)
~ min. 10C
Eranthis (Ranunculaceae)
93
93
hyemalis (H4)
—(Tubergenii Group) 'Guinea Gold' (H4)
Eremurus (Asphodelaceae)
98
98
robustus (H4)
stenophyllus (H4)
25
arborea 'Albert's Gold' (H4)
—var. alpina (H4)
—'Estrella Gold' (H4)
australis (H4)
—'Mr Robert' (H3)
—'Riverslea' (H4)
canaliculata (H3)
carnea 'Adrienne Duncan' (H4)
—'Ann Sparkes' (H4)
—'Challenger' (H4)
—'Foxhollow' (H4)
—'Golden Starlet' (H4)
—'Ice Princess' (H4)
—'Isabell' (H4)
—'Loughrigg' (H4)
—'Myretoun Ruby' (H4)
—'Nathalie' (H4)
—'Pink Spangles' (H4)
—'Praecox Rubra' (H4)
—'R.B. Cooke' (H4)
—'Rosalie' (H4)
—'Springwood White' (H4)
—'Sunshine Rambler' (H4)
—'Vivellii' (H4)
—'Westwood Yellow' (H4)
ciliaris 'Mrs C.H. Gill' (H4)
—'Stoborough' (H4)
cinerea f. alba 'Alba Minor' (H4)
——'Hookstone White' (H4)
—'C.D. Eason' (H4)
—'C.G. Best' (H4)
—'Cindy' (H4)
—'Eden Valley' (H4)
—'Fiddler's Gold' (H4)
—'Golden Hue' (H4)
—'Knap Hill Pink' (H4)
—'Lime Soda' (H4)
—'P.S. Patrick' (H4)
—'Pentreath' (H4)
—'Pink Ice' (H4)
—'Stephen Davis' (H4)
—'Velvet Night' (H4)
—'Windlebrooke' (H4)
× darleyensis 'Arthur Johnson' (H4)
—'Furzey' (H4)
—'Ghost Hills' (H4)
—'J.W. Porter' (H4)
—'Jenny Porter' (H4)
—'Kramer's Rote' (H4)
—'White Perfection' (H4)
erigena 'Golden Lady' (H4)
—'Irish Dusk' (H4)
—'W.T. Rackliff' (H4)
lusitanica (H3)
× stuartii 'Irish Lemon' (H4)
terminalis (H4)
tetralix 'Alba Mollis' (H4)
—'Con Underwood' (H4)
—'Pink Star' (H4)
vagans 'Birch Glow' (H4)
—'Cornish Cream' (H4)
—'Kevernensis Alba' (H4)
—'Lyonesse' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
95
93
93
93
—'Mrs D.F. Maxwell' (H4)
—'Valerie Proudley' (H4)
× veitchii 'Exeter' (H3)
—'Gold Tips' (H4)
× watsonii 'Dawn' (H4)
× williamsii 'P.D. Williams' (H4)
~ min. 2-10C
Eucalyptus (Myrtaceae)
93
93
93
93
Erigeron (Asteraceae)
94
93
93
93
Eucharis (Amaryllidaceae)
aureus 'Canary Bird' (H4)
'Dunkelste Aller' (H3)
'Foersters Liebling' (H4)
karvinskianus (H3)
02
02
02
98
anthyllis (H4)
Erinus (Scrophulariaceae)
93
93
93
93
japonica (F) (H3)
Erodium (Geraniaceae)
93
93
93
93
93
93
alpinum (H4)
bourgatii 'Oxford Blue' (H4)
giganteum (H4)
—'Silver Ghost' (H4)
× oliverianum (H4)
planum 'Bethlehem' (H4)
× tripartitum (H4)
~ re-confirmed 1999
93
02
02
02
93
99
93
Erysimum (Brassicaceae)
93
93
93
93
'Bowles' Mauve' (H3)
'Bredon' (H3)
cheiri 'Persian Carpet' (H4)
× marshallii (H4)
~ previously listed as E. allionii
96
93
02
93
98
93
93
'Apple Blossom' (H4)
bifida (H3)
'Donard Radiance' (H4)
'Iveyi' (H3)
'Langleyensis' (H4)
'Peach Blossom' (H4)
'Pride of Donard' (H4)
rubra 'Crimson Spire' (H4)
93
02
02
02
93
02
Eschscholzia (Papaveraceae)
93
93
93
caespitosa (H4)
californica (H4)
—'Dali' (H4)
93
02
02
Escobaria (Cactaceae)
93
roseana (H1)
~ min. 2-10C
93
Espostoa (Cactaceae)
93
ligustrinum (H3)
purpureum subsp. maculatum 'Atropurpureum'
(H4)
rugosum 'Chocolate' (H4)
Euphorbia (Euphorbiaceae)
californicum (H4)
—'White Beauty' (H4)
dens-canis (H4)
'Pagoda' (H4)
revolutum (H4)
tuolumnense (H4)
Escallonia (Escalloniaceae)
93
02
93
93
93
93
93
93
alatus (H4)
—'Compactus' (H4)
europaeus 'Red Cascade' (H4)
fortunei 'Emerald Gaiety' (v) (H4)
~ reconfirmed after trial 2001
—'Emerald 'n' Gold' (v) (H4)
~ reconfirmed after trial 2001
—'Emerald Surprise' (v) (H4)
—'Tustin' (H4)
japonicus 'Chollipo' (H4)
—'Ovatus Aureus' (v) (H4)
phellomanus (H4)
planipes (H4)
Eupatorium (Asteraceae)
Erythronium (Liliaceae)
94
93
93
93
93
93
glutinosa (H4)
× intermedia 'Rostrevor' (H3)
× nymansensis 'Nymansay' (H3)
Euonymus (Celastraceae)
glandulosum (H4)
× variabile 'Roseum' (H4)
Eryngium (Apiaceae)
93
93
93
99
93
99
93
autumnalis (H2-3)
bicolor (H2-3)
pallidiflora (H4)
Eucryphia (Eucryphiaceae)
alpinus (H4)
Eriobotrya (Rosaceae)
93
amazonica (H1)
~ min. 10C
Eucomis (Hyacinthaceae)
Erinacea (Papilionaceae)
93
dalrympleana (H3)
gunnii (H3)
parvifolia (H4)
pauciflora subsp. niphophila (H4)
02
nana (H1)
26
amygdaloides var. robbiae (H4)
characias 'Portuguese Velvet' (H4)
—subsp. wulfenii (H3-4)
~ omitted in error from AGM Plants 2002
——'John Tomlinson' (H3-4)
~ omitted in error from AGM Plants 2002
——'Lambrook Gold' (H3-4)
~ omitted in error from AGM Plants 2002
cornigera (H4)
EXCALIBUR = 'Froeup' (PBR) (H4)
fulgens (H1)
~ min. 15C
griffithii 'Dixter' (H4)
horrida (H1)
~ min. 5C; shrubby
× martini (H3)
mellifera (H3)
meloformis (H1)
~ min. 5C
milii (H1)
~ min. 10C
—var. splendens (H1)
~ min. 10C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
02
93
93
96
02
93
02
02
myrsinites (H4)
obesa (H1)
~ min. 5C
palustris (H4)
polychroma (H4)
—'Major' (H4)
REDWING = 'Charam' (PBR) (H4)
schillingii (H4)
sikkimensis (H4)
viguieri (H1)
~ min. 10C; shrubby
93
93
Festuca (Poaceae)
93
93
02
acraeus (H4)
pectinatus (H2)
93
Exacum (Gentianaceae)
02
affine (H1+3)
~ min. 10C; annual/biennial
93
Exochorda (Rosaceae)
93
93
× macrantha 'The Bride' (H4)
93
Fabiana (Solanaceae)
93
imbricata f. violacea (H3)
93
Fagus (Fagaceae)
93
93
93
93
93
93
93
93
sylvatica (H4)
—'Dawyck' (H4)
—'Dawyck Gold' (H4)
—'Dawyck Purple' (H4)
—var. heterophylla 'Aspleniifolia' (H4)
—'Pendula' (H4)
—'Purple Fountain' (H4)
—'Riversii' (H4)
93
93
93
93
93
Farfugium (Asteraceae)
93
japonicum 'Aureomaculatum' (v) (H1)
~ min. 2C
02
Fargesia (Poaceae)
93
02
02
93
93
93
93
japonica (H4)
—'Variegata' (v) (H3)
02
02
93
96
02
candida (H1)
~ min. 2-10C
tigrina (H1)
~ min. 2C
tuberculosa (H1)
~ min. 2C
02
02
amelloides 'Santa Anita' (H3)
—'Santa Anita Variegated' (v) (H3)
93
major (H4)
Fraxinus (Oleaceae)
aurantiaca (H1)
~ min. 2C
93
93
93
93
Ferocactus (Cactaceae)
93
× crassifolia 'Meiwa' (F) (H1)
~ min. 10C
'Fukushu' (F) (H1)
~ min. 10C
Fothergilla (Hamamelidaceae)
Fenestraria (Aizoaceae)
02
× intermedia 'Lynwood' (H4)
—WEEK-END = 'Courtalyn' (PBR) (H4)
MARÉE D'OR = 'Courtasol' (PBR) (H4)
Fortunella (Rutaceae)
Felicia (Asteraceae)
93
93
albivenis Argyroneura Group (H1)
~ min. 15C; awarded as F. verschaffeltii var.
argyroneura
—Verschaffeltii Group (H1)
~ min. 15C; awarded as F. verschaffeltii
Forsythia (Oleaceae)
Faucaria (Aizoaceae)
93
purpurea (H4)
rubra 'Venusta' (H4)
Fittonia (Acanthaceae)
lizei (H3)
—'Annemieke' (v) (H3)
—'Variegata' (v) (H3)
Fatsia (Araliaceae)
93
93
benjamina (H1)
~ min. 10C
—'Starlight' (v) (H1)
~ min. 15C
binnendijkii (H1)
~ min. 10C
deltoidea (H1)
~ min. 10C
elastica 'Black Knight' (H1)
~ min. 10C
—'Decora' (H1)
~ min. 10C
—'Doescheri' (v) (H1)
~ min. 10C
—'Schrijveriana' (v) (H1)
~ min. 10C
—'Tricolor' (H1)
~ min. 10C
lyrata (H1)
~ min. 10C
pumila (H1)
rubiginosa (H1)
~ min. 10C
—'Variegata' (v) (H1)
~ min. 15C
Filipendula (Rosaceae)
murielae (H4)
—'Simba' (H4)
nitida 'Nymphenburg' (H4)
× Fatshedera (Araliaceae)
93
93
93
glauca 'Blaufuchs' (H4)
Ficus (Moraceae)
Euryops (Asteraceae)
93
93
~ min. 2-10C
glaucescens (H1)
~ min. 2-10C
viridescens (H1)
~ min. 2-10C
fordii (H1)
27
angustifolia 'Raywood' (H4)
excelsior 'Jaspidea' (H4)
—'Pendula' (H4)
—'Westhof's Glorie' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
ornus (H4)
93
93
93
02
93
93
93
02
02
Fremontodendron (Sterculiaceae)
93
'California Glory' (H3)
Frithia (Aizoaceae)
02
pulchra (H1)
~ min. 2C
Fritillaria (Liliaceae)
93
97
93
93
93
93
96
93
acmopetala (H4)
hermonis subsp. amana 'Cambridge' (H4)
imperialis 'Maxima Lutea' (H4)
meleagris var. unicolor subvar. alba (H4)
michailovskyi (H2)
pallidiflora (H4)
persica 'Adiyaman' (H4)
pyrenaica (H4)
02
02
93
93
93
93
93
93
93
93
Fuchsia (Onagraceae)
93
02
02
02
93
93
02
02
02
93
93
93
93
02
93
02
93
93
02
02
93
93
02
93
93
93
02
93
93
93
93
93
02
'Achievement' (H4)
'Alice Hoffman' (d) (H3-4)
'Alison Patricia' (H3)
'Alison Sweetman' (H1+3)
~ min. 5C
'Annabel' (d) (H3)
'Army Nurse' (d) (H4)
'Autumnale' (H1+3)
~ min. 5C
'Ballet Girl' (d) (H1+3)
~ min. 5C
'Bella Forbes' (d) (H1+3)
~ min. 5C
'Billy Green' (H1+3)
~ min. 10C
boliviana Carrière var. alba (H1+3)
~ min. 10C
'Border Queen' (H3-4)
'Brutus' (H4)
'Carla Johnston' (H1+3)
~ min. 5C
'Celia Smedley' (H3)
'Chang' (H1+3)
~ min. 5C
'Checkerboard' (H3)
'Chillerton Beauty' (H3)
'Coachman' (H4)
'Dancing Flame' (d) (H1+3)
~ min. 5C
'Dark Eyes' (d) (H4)
'Display' (H4)
'Doctor Foster' (H4)
'Dollar Princess' (d) (H4)
'Empress of Prussia' (H4)
'Flash' (H3-4)
'Foxgrove Wood' (H3-4)
fulgens (H1+3)
~ min. 10C
'Garden News' (d) (H3-4)
'Gartenmeister Bonstedt' (H1+3)
~ min. 10C
'Genii' (H4)
'Golden Marinka' (v) (H3)
'Hawkshead' (H3-4)
02
02
02
02
93
93
93
02
93
02
02
93
93
02
93
02
93
93
93
93
93
93
93
93
02
02
93
'Heidi Ann' (d) (H3)
'Herald' (H4)
'Jack Shahan' (H3)
'Jomam' (H3)
'La Campanella' (d) (H3)
'Lady Thumb' (d) (H3)
'Lena' (d) (H3)
'Liebriez' (d) (H3-4)
'Lottie Hobby' (H1+3)
~ min. 5C
'Love's Reward' (H1+3)
~ min. 5C
'Lye's Unique' (H1+3)
~ min. 5C
'Madame Cornélissen' (d) (H3)
magellanica var. gracilis (H3)
——'Variegata' (v) (H3)
'Margaret' (d) (H4)
'Margaret Brown' (H4)
'Marin Glow' (H3)
'Marinka' (H3)
'Mary' (H1+3)
~ min. 10C
'Micky Goult' (H1+3)
~ min. 5C
'Mieke Meursing' (H1+3)
~ min. 5C
'Monsieur Thibaut' (H4)
'Mrs Lovell Swisher' (H4)
'Mrs Popple' (H3)
'Mrs W.P. Wood' (H3)
'Nellie Nuttall' (H3)
paniculata (H1+3)
~ min. 5C
'Phyllis' (d) (H4)
'Pink Marshmallow' (d) (H1+3)
~ min. 5C
'Preston Guild' (H1+3)
~ min. 5C
'Prosperity' (d) (H3)
'Riccartonii' (H3)
'Rose of Castile Improved' (H4)
'Royal Velvet' (d) (H3)
'Rufus' (H3-4)
'Snowcap' (d) (H3-4)
'Son of Thumb' (H4)
splendens (H1+3)
~ min. 10C
'Swanley Gem' (H3)
'Swingtime' (d) (H3)
'Tennessee Waltz' (d) (H3)
'Thalia' (H1+3)
~ min. 10C
'Tom Thumb' (H3)
'White Pixie' (H3-4)
'Whiteknights Pearl' (H1+3)
~ min. 5C
'Winston Churchill' (d) (H3)
Gaillardia (Asteraceae)
93
28
'Dazzler' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Galanthus (Amaryllidaceae)
93
93
93
93
93
93
93
02
93
02
'Atkinsii' (H4)
elwesii (H4)
—var. monostictus (H4)
~ previously listed in error as G. caucasicus (Bak.)
Grossh.
'Magnet' (H4)
nivalis (H4)
—f. pleniflorus 'Flore Pleno' (d) (H4)
~ previously listed as G. nivalis f. pleniflorus
'Flore Pleno'
plicatus (H4)
~ including both subsp. plicatus and subsp.
byzantinus
reginae-olgae subsp. reginae-olgae (H2-4)
'S. Arnott' (H4)
woronowii (H4)
96
96
96
93
02
Gelsemium (Loganiaceae)
93
93
93
93
× hartlandii 'Alba' (H4)
—'Lady Wilson' (H4)
officinalis 'Alba' (H4)
93
93
Galtonia (Hyacinthaceae)
93
93
02
candicans (H4)
93
93
93
93
93
93
93
93
93
94
02
jasminoides (H1)
~ min. 15C
Garrya (Garryaceae)
93
elliptica 'James Roof' (m) (H4)
Gasteria (Aloaceae)
02
02
batesiana (H1)
~ min. 2C
nitida var. armstrongii (H1)
~ min. 2C
Gaultheria (Ericaceae)
93
93
93
93
93
93
93
93
96
93
93
96
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
lindheimeri (H4)
Gazania (Asteraceae)
93
93
93
96
96
96
acaulis (H4)
asclepiadea (H4)
'Inverleith' (H4)
× macaulayi (H4)
—'Edinburgh' (H4)
septemfida (H4)
—var. lagodechiana (H4)
sino-ornata (H4)
× stevenagensis (H4)
'Strathmore' (H4)
verna 'Angulosa' hort. (H4)
Geranium (Geraniaceae)
cuneata (H4)
mucronata 'Bell's Seedling' (f/m) (H4)
~ hermaphrodite; male or several plants are
required for the production of fruit in all the other
cultivars listed
—'Crimsonia' (f) (H4)
—'Mulberry Wine' (f) (H4)
—'Pink Pearl' (f) (H4)
—'Sea Shell' (f) (H4)
—'Wintertime' (f) (H4)
procumbens (H4)
Gaura (Onagraceae)
93
aetnensis (H4)
lydia (H4)
'Porlock' (H3)
~ previously listed as Cytisus 'Porlock'
sagittalis subsp. delphinensis (H4)
× spachiana (H1)
~ min. 2C
tinctoria 'Flore Pleno' (d) (H4)
—'Royal Gold' (H4)
Gentiana (Gentianaceae)
Gardenia (Rubiaceae)
02
sempervirens (H1-2)
Genista (Papilionaceae)
Galega (Papilionaceae)
93
02
02
~ min. 2C
'Michael' (H1+3)
~ min. 2C
'Northbourne' (H1+3)
~ min. 2C
rigens var. uniflora (H1+3)
—'Variegata' (v) (H1+3)
~ min. 2C
Talent Series (H3)
~ sold as a mixture
'Aztec' (H1+3)
~ min. 2C
'Chansonette' (H3)
'Cookei' (H1+3)
~ min. 2C
'Daybreak Bright Orange' (Daybreak Series)
(H3)
~ bedding type
'Daybreak Garden Sun' (Daybreak Series) (H3)
~ bedding type
'Dorothy' (H1+3)
29
'Ann Folkard' (H4)
(Cinereum Group) 'Ballerina' (H4)
cinereum subsp. subcaulescens var.
subcaulescens (H4)
~ previously listed as G. cinereum var.
subcaulescens
clarkei 'Kashmir White' (H4)
dalmaticum (H4)
endressii (H4)
himalayense 'Gravetye' (H4)
'Johnson's Blue' (H4)
macrorrhizum 'Album' (H4)
—'Ingwersen's Variety' (H4)
maderense (H2)
× magnificum (H4)
× oxonianum 'A.T. Johnson' (H4)
—'Wargrave Pink' (H4)
palmatum (H3)
pratense 'Mrs Kendall Clark' (H4)
—'Plenum Violaceum' (d) (H4)
psilostemon (H4)
renardii (H4)
× riversleaianum 'Russell Prichard' (H4)
sanguineum 'Album' (H4)
—'Shepherd's Warning' (H4)
—var. striatum (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
93
subcaulescens 'Splendens' (H4)
~ previously listed as G. cinereum subsp.
subcaulescens var. subcaulescens 'Splendens'
sylvaticum 'Album' (H4)
—'Mayflower' (H4)
wallichianum 'Buxton's Variety' (H4)
93
93
93
Geum (Rosaceae)
93
93
93
93
Gymnocarpium (Woodsiaceae)
'Fire Opal' (H4)
'Lady Stratheden' (H4)
montanum (H4)
'Mrs J. Bradshaw' (H4)
93
97
93
trifoliata (H4)
Ginkgo (Ginkgoaceae)
93
93
93
93
communis subsp. byzantinus (H4)
murielae (H3)
'Robinetta' (recurvus hybrid) (H3)
'The Bride' ( × colvillii) (H3)
93
02
palmatum (H4)
02
triacanthos 'Sunburst' (H4)
Globularia (Globulariaceae)
93
93
02
02
bellum (H1)
~ min. 2C
93
02
93
'Canberra Gem' (H3-4)
robusta (H1+3)
~ min. 2C
rosmarinifolia (H3)
93
93
93
93
littoralis (H3)
—'Variegata' (v) (H3)
93
93
93
93
93
93
93
lingulata (H1)
~ min. 15C
—var. minor (H1)
~ min. 15C
monostachya (H1)
~ min. 15C
musaica (H1)
~ min. 15C
sanguinea (H1)
~ min. 15C
93
lasianthum (H3)
ocymoides (H3)
'Susan' (H3)
Hamamelis (Hamamelidaceae)
93
97
93
93
93
93
93
× intermedia 'Arnold Promise' (H4)
—'Barmstedt Gold' (H4)
—'Diane' (H4)
—'Jelena' (H4)
—'Pallida' (H4)
mollis (H4)
~ grafted plants only
vernalis 'Sandra' (H4)
Hardenbergia (Papilionaceae)
Gymnocalycium (Cactaceae)
93
sahucii (H4)
wintonensis (H3)
—'Merrist Wood Cream' (H3)
Halimium (Cistaceae)
manicata (H3-4)
Guzmania (Bromeliaceae)
93
monticola var. vestita (H4)
× Halimiocistus (Cistaceae)
Gunnera (Gunneraceae)
93
macra 'Alboaurea' (H4)
—'Aureola' (H4)
Halesia (Styracaceae)
Griselinia (Griseliniaceae)
93
02
albiflos (H1)
~ min. 5C
coccineus (H1)
~ min. 5C
Hakonechloa (Poaceae)
Grevillea (Proteaceae)
93
93
epipactis (H4)
Haemanthus (Amaryllidaceae)
superba (H1)
~ min. 10C
Graptopetalum (Crassulaceae)
02
robustus (H1)
~ min. 5C
tubispathus (H1)
~ min. 5C
Hacquetia (Apiaceae)
cordifolia (H4)
Gloriosa (Colchicaceae)
93
rhodopensis (H4)
Habranthus (Amaryllidaceae)
Gleditsia (Caesalpiniaceae)
93
paniculata 'Bristol Fairy' (d) (H4)
repens (H4)
'Rosenschleier' (d) (H4)
Haberlea (Gesneriaceae)
Glaucidium (Glaucidiaceae)
93
aurantiaca 'Purple Passion' (H1)
~ min. 15C
Gypsophila (Caryophyllaceae)
biloba (H4)
Gladiolus (Iridaceae)
93
93
93
93
dryopteris (H4)
—'Plumosum' (H4)
~ comes true from spores
Gynura (Asteraceae)
Gillenia (Rosaceae)
93
quehlianum (H1)
~ min. 2-10C
tillianum (H1)
~ min. 2-10C
uruguayense (H1)
~ min. 2-10C
93
andreae (H1)
~ min. 2-10C
baldianum (H1)
~ min. 2-10C
93
30
comptoniana (H1)
~ min. 2C
violacea (H1)
~ min. 2C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Hatiora (Cactaceae)
93
93
93
93
93
93
02
02
93
02
93
93
93
02
93
93
02
02
93
02
02
93
02
93
gaertneri (H1)
~ min. 10C
rosea (H1)
~ min. 10C
salicornioides (H1)
~ min. 2-10C
Haworthia (Aloaceae)
93
02
02
02
02
93
attenuata f. caespitosa (H1)
~ min. 2-10C
pumila (H1)
~ min. 2C
reinwardtii (H1)
~ min. 2C
retusa (H1)
~ min. 2C
truncata (H1)
~ min. 2C
venosa subsp. tesselata (H1)
~ min. 2-10C
Hebe (Scrophulariaceae)
93
93
02
93
93
93
93
93
02
93
93
02
02
93
02
02
93
93
93
02
93
93
93
02
02
02
02
02
02
02
02
02
Hedychium (Zingiberaceae)
albicans (H4)
'Blue Clouds' (H3)
~ of the trade
'Caledonia' (H3)
'Emerald Green' (H3)
× franciscana 'Variegata' (v) (H2)
'Great Orme' (H3)
hulkeana (H3)
macrantha (H3)
'Margret' (PBR) (H4)
'Midsummer Beauty' (H3)
'Mrs Winder' (H4)
'Neil's Choice' (H4)
'Nicola's Blush' (H4)
ochracea 'James Stirling' (H4)
'Oratia Beauty' (H4)
'Pascal' (H4)
'Pewter Dome' (H4)
pimeleoides 'Quicksilver' (H4)
pinguifolia 'Pagei' (H4)
'Pink Elephant' (v) (H3)
rakaiensis (H4)
recurva 'Boughton Silver' (H3)
'Red Edge' (H4)
'Sapphire' (H4)
~ of the trade
topiaria (H4)
vernicosa (H3)
'White Gem' (brachysiphon hybrid) (H4)
'Wingletye' (H3)
'Wiri Cloud' (H3)
'Wiri Dawn' (H3)
'Youngii' (H3-4)
93
93
93
93
93
coccineum (H1)
~ min. 2C
—'Tara' (H3)
gardnerianum (H1)
~ min. 2C
Helenium (Asteraceae)
01
01
01
01
01
01
01
01
01
01
01
01
01
'Baudirektor Linne' (H4)
'Blütentisch' (H4)
'Butterpat' (H4)
'Feuersiegel' (H4)
'Gartensonne' (H4)
'Karneol' (H4)
'Moerheim Beauty' (H4)
'Ring of Fire' (H4)
'Rubinzwerg' (H4)
'Sahin's Early Flowerer' (H4)
'Summer Circle' (H4)
'Waldtraut' (H4)
'Wesergold' (H4)
Helianthemum (Cistaceae)
93
93
93
93
93
93
93
93
'Amy Baring' (H4)
'Fire Dragon' (H4)
'Henfield Brilliant' (H4)
'Jubilee' (d) (H4)
'Mrs C.W. Earle' (d) (H4)
'Rhodanthe Carneum' (H4)
'The Bride' (H4)
'Wisley Primrose' (H4)
Helianthus (Asteraceae)
00
00
00
93
01
01
01
93
Hedera (Araliaceae)
93
93
93
—'Dentata Variegata' (v) (H4)
—'Sulphur Heart' (v) (H4)
helix 'Angularis Aurea' (H4)
—'Caecilia' (v) (H4)
—'Ceridwen' (v) (H4)
—'Congesta' (H4)
—'Duckfoot' (H4)
—'Erecta' (H4)
—'Glacier' (v) (H4)
—'Goldchild' (v) (H3-4)
—'Golden Ingot' (v) (H4)
—'Ivalace' (H4)
—'Manda's Crested' (H4)
—'Maple Leaf' (H4)
—'Melanie' (H4)
—'Midas Touch' (v) (H3-4)
—'Minor Marmorata' (v) (H4)
—'Parsley Crested' (H4)
—'Spetchley' (H4)
—'White Knight' (v) (H4)
hibernica (H4)
~ especially for large gardens
—'Deltoidea' (H4)
canariensis 'Gloire de Marengo' (v) (H3)
—'Marginomaculata' (H3)
—'Ravensholst' (H3)
~ previously listed as H. colchica 'Ravensholst'
colchica (H4)
—'Dentata' (H4)
31
annuus 'Claret' (H3)
—'Pastiche' (H3)
—'Valentine' (H3)
'Capenoch Star' (H4)
'Gullick's Variety' (H4)
× laetiflorus 'Miss Mellish' (H4)
'Lemon Queen' (H4)
'Loddon Gold' (H4)
~ reconfirmed after trial 2001
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
'Monarch' (H4)
~ reconfirmed after trial 2001
93
94
93
Helichrysum (Asteraceae)
93
93
93
02
96
93
93
Hepatica (Ranunculaceae)
italicum (H3)
milfordiae (H2-3)
petiolare (H2)
~ min. 2C; suitable for bedding
—'Goring Silver' (H2-3)
~ min. 2C; suitable for bedding
—'Limelight' (H2)
~ min. 2C; suitable for bedding
—'Variegatum' (v) (H2)
~ min. 2C; suitable for bedding
splendidum (H3)
93
93
01
01
01
01
01
01
01
01
01
01
01
01
01
93
01
sempervirens (H4)
Heliocereus (Cactaceae)
93
speciosus (H1)
~ min. 2-10C
Heliopsis (Asteraceae)
01
93
01
01
01
01
helianthoides var. scabra 'Benzinggold' (H4)
——'Goldgefieder' (H4)
——'Light of Loddon' (H4)
——'Sonnenglut' (H4)
——'Spitzentänzerin' (H4)
——'Waterperry Gold' (H4)
94
01
93
93
02
tranquillans 'Shiroshima' (v) (H4)
Hibbertia (Dilleniaceae)
arborescens 'Chatsworth' (H1)
~ min. 2C; suitable for bedding
—'Princess Marina' (H1)
~ min. 2C; suitable for bedding
93
scandens (H1)
~ min. 2C
Hibiscus (Malvaceae)
02
argutifolius (H4)
foetidus (H4)
lividus (H2-3)
niger (H4)
× nigercors (H4)
~ seedlings variable; clones may be virused
× sternii Blackthorn Group (H3-4)
93
02
02
93
02
02
93
93
02
02
93
Hemerocallis (Hemerocallidaceae)
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
94
'Kimono' (H4)
tiarelloides (H4)
× Hibanobambusa (Poaceae)
Helleborus (Ranunculaceae)
93
93
93
93
93
'Blackbird' (H4)
'Burgundy Frost' (H4)
'Can-can' (H4)
'Chocolate Veil' (H4)
'Fireworks' (PBR) (H4)
'Magic Wand' (PBR) (H4)
'Molly Bush' (H4)
'Purple Petticoats' (H4)
'Quilter's Joy' (H4)
'Raspberry Regal' (H4)
'Regina' (H4)
sanguinea 'Alba' (H4)
'Sashay' (H4)
'Scintillation' (H4)
'Smokey Rose' (H4)
× Heucherella (Saxifragaceae)
Heliotropium (Boraginaceae)
94
nobilis (H4)
transsilvanica (H4)
Heuchera (Saxifragaceae)
Helictotrichon (Poaceae)
93
'Stoke Poges' (H4)
'Tetrina's Daughter' (H4)
'Whichford' (H4)
'Beloved Returns' (H4)
'Berlin Lemon' (H4)
'Berlin Red' (H4)
'Berlin Red Velvet' (H4)
'Burning Daylight' (H4)
'Cartwheels' (H4)
'Chief Sarcoxie' (H4)
'Corky' (H4)
'Golden Chimes' (H4)
'Green Flutter' (H4)
'Helle Berlinerin' (H4)
'Lemon Bells' (H4)
lilioasphodelus (H4)
'Marion Vaughn' (H4)
'Missenden' (H4)
'Neyron Rose' (H4)
'Nova' (H4)
'Pink Damask' (H4)
'Red Precious' (H4)
'Royal Mountie' (H4)
rosa-sinensis 'Cooperi' (v) (H1)
~ min. 15C
schizopetalus (H1)
~ min. 10C
syriacus 'Bredon Springs' (H4)
—'Cicola' (H4)
—'Hamabo' (H4)
—'Lenny' (H4)
—'Meehanii' (v) (H4)
—'Oiseau Bleu' (H4)
—'Red Heart' (H4)
—WHITE CHIFFON = 'Notwoodtwo' (PBR) (H4)
—'William R. Smith' (H4)
—'Woodbridge' (H4)
Hildewintera (Cactaceae)
93
aureispina (H1)
~ min. 2-10C
Hippeastrum (Amaryllidaceae)
93
93
93
02
93
32
'Belinda' (H1)
~ min. 2C
'Bestseller' (H1)
~ min. 2C
'Orange Souvereign' (H1)
~ min. 2C
papilio (H1)
~ min. 10C
'Star of Holland' (H1)
~ min. 2C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Hippophae (Elaeagnaceae)
93
93
Hydrangea (Hydrangeaceae)
rhamnoides (H4)
~ male or several plants are required for the
production of fruit
93
93
93
93
93
93
93
93
93
93
93
93
93
93
Hoheria (Malvaceae)
93
93
95
'Glory of Amlwch' (H3)
lyallii (H4)
sexstylosa 'Stardust' (H4)
Hosta (Hostaceae)
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
'Aureomarginata' (ventricosa) (v) (H4)
'Blue Angel' (sieboldiana) (H4)
crispula (v) (H4)
fortunei var. albopicta (H4)
——f. aurea (H4)
—var. aureomarginata (H4)
—var. hyacinthina (H4)
'Francee' (fortunei) (v) (H4)
'Frances Williams' (sieboldiana) (v) (H4)
'Golden Tiara' (v) (H4)
(Tardiana Group) 'Halcyon' (H4)
'Honeybells' (H4)
'Krossa Regal' (H4)
lancifolia (H4)
'Love Pat' (tokudama) (H4)
plantaginea var. japonica (H4)
~ awarded as Hosta plantaginea var. grandiflora
'Royal Standard' (H4)
'Sagae' (v) (H3-4)
'Shade Fanfare' (v) (H4)
sieboldiana var. elegans (H4)
sieboldii 'Paxton's Original' (v) (H4)
'Sum and Substance' (H4)
undulata var. erromena (H4)
—var. undulata (v) (H4)
—var. univittata (v) (H4)
ventricosa (H4)
venusta (H4)
'Wide Brim' (v) (H4)
99
93
93
93
93
99
93
93
93
93
02
93
93
93
93
99
93
99
93
99
Howea (Arecaceae)
02
93
belmoreana (H1)
~ min. 10C
forsteriana (H1)
~ min. 10C
93
93
02
carnosa (H1)
~ min. 2C
—'Exotica' (H1)
~ min. 10C
lanceolata subsp. bella (H1)
~ min. 10C
93
02
93
93
93
93
93
93
93
lupulus 'Aureus' (H4)
Hyacinthus (Hyacinthaceae)
93
93
93
93
93
93
93
93
× festalis (H1)
~ min. 10C
× macrostephana (H1)
~ min. 2C
'Sulphur Queen' (H1)
~ min. 10C
Hypericum (Clusiaceae)
Humulus (Cannabaceae)
93
anomala subsp. petiolaris (H4)
arborescens 'Annabelle' (H4)
—'Grandiflora' (H4)
aspera 'Macrophylla' (H3)
—subsp. sargentiana (H3)
—Villosa Group (H3)
involucrata 'Hortensis' (d) (H3-4)
macrophylla 'Altona' (H) (H3-4)
—'Ami Pasquier' (H) (H3-4)
—'Europa' (H) (H3-4)
—'Générale Vicomtesse de Vibraye' (H) (H3-4)
—'Lanarth White' (L) (H3-4)
—'Madame Emile Mouillère' (H) (H3-4)
—'Mariesii Grandiflora' (L) (H3-4)
~ awarded as Hydrangea macrophylla 'White
Wave'
—'Mariesii Lilacina' (L) (H3-4)
~ awarded as H. macrophylla 'Mariesii Lilacina'
—'Mariesii Perfecta' (L) (H3-4)
—'Möwe' (L) (H3-4)
~ previously listed as H. macrophylla 'Geoffrey
Chadbund'
—'Nigra' (H) (H3-4)
~ valued in particular for its stem effect
—'Parzifal' (H) (H3-4)
—'Tokyo Delight' (L) (H3-4)
—'Veitchii' (L) (H3-4)
—'Westfalen' (H) (H3-4)
paniculata 'Grandiflora' (H4)
—'Kyushu' (H4)
—PINK DIAMOND = 'Interhydia' (H4)
—'Unique' (H4)
'Preziosa' (H3-4)
quercifolia (H3-4)
serrata 'Bluebird' (H3-4)
—'Diadem' (H3-4)
—'Grayswood' (H3-4)
—'Miranda' (L) (H3-4)
—'Rosalba' (H3-4)
—'Tiara' (H3-4)
Hymenocallis (Amaryllidaceae)
Hoya (Asclepiadaceae)
93
—'Pink Pearl' (H4)
orientalis 'Anna Marie' (H4)
—'Blue Jacket' (H4)
—'Borah' (H4)
—'City of Haarlem' (H4)
—'Delft Blue' (H4)
—'Gipsy Queen' (H4)
—'L'Innocence' (H4)
—'Ostara' (H4)
forrestii (H4)
'Hidcote' (H4)
kouytchense (H4)
× moserianum (H4)
olympicum (H4)
—f. uniflorum 'Citrinum' (H4)
'Rowallane' (H3)
Hypoestes (Acanthaceae)
93
33
phyllostachya (v) (H1)
~ often grown as H. sanguinolenta; min. 10C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Iberis (Brassicaceae)
93
93
94
98
00
93
96
93
93
94
02
93
02
94
02
98
93
94
00
98
93
99
93
00
02
96
94
94
94
93
94
02
96
99
02
02
02
93
94
95
98
00
94
02
02
96
94
94
93
94
02
93
98
95
94
93
02
00
95
93
00
99
94
99
99
99
sempervirens (H4)
—'Schneeflocke' (H4)
Ilex (Aquifoliaceae)
93
93
93
93
93
93
95
93
93
93
93
93
93
93
93
93
93
93
93
93
× altaclerensis 'Belgica Aurea' (f/v) (H4)
—'Camelliifolia' (f) (H4)
—'Golden King' (f/v) (H4)
—'Hodginsii' (m) (H4)
—'Lawsoniana' (f/v) (H4)
aquifolium (H4)
—'Amber' (f) (H4)
—'Argentea Marginata' (f/v) (H4)
—'Ferox Argentea' (m/v) (H4)
—'Golden Queen' (m/v) (H4)
—'Handsworth New Silver' (f/v) (H4)
—'J.C. van Tol' (f) (H4)
—'Madame Briot' (f/v) (H4)
—'Myrtifolia Aurea Maculata' (m/v) (H4)
—'Pyramidalis' (f) (H4)
—'Pyramidalis Fructu Luteo' (f) (H4)
—'Silver Queen' (m/v) (H4)
crenata 'Convexa' (f) (H4)
—'Golden Gem' (f) (H4)
× koehneana 'Chestnut Leaf' (f) (H4)
Impatiens (Balsaminaceae)
93
02
93
02
02
Accent Series (H3)
~ sold as a mixture
marianae (H1)
~ min. 10C
repens (H1)
~ min. 10C
walleriana Super Elfin Series (H3)
~ sold as a mixture
—Tempo Series (H3)
~ sold as a mixture
Indigofera (Papilionaceae)
93
93
amblyantha (H4)
heterantha (H4)
Indocalamus (Poaceae)
02
tessellatus (H4)
Inula (Asteraceae)
02
magnifica 'Sonnenstrahl' (H4)
Ipheion (Alliaceae)
93
93
93
'Rolf Fiedler' (H2-3)
uniflorum 'Froyle Mill' (H4)
—'Wisley Blue' (H4)
Ipomoea (Convolvulaceae)
93
93
93
'Heavenly Blue' (H3)
horsfalliae (H1)
~ min. 2C
indica (H1)
~ min. 2C
Iresine (Amaranthaceae)
93
lindenii (H1)
~ min. 10C
Iris (Iridaceae)
98
02
93
93
'Acstede Nine Hundred' (IB) (H4)
'Adoring Glances' (SDB) (H4)
'Adrienne Taylor' (SDB) (H4)
'Agnes James' (CH) (H3)
34
albicans (H4)
'Alison Taylor' (IB) (H4)
'Alizes' (TB) (H4)
'Annikins' (IB) (H4)
'Apricorange' (TB) (H4)
'Arctic Fancy' (IB) (H4)
'Arnold Sunrise' (CH) (H3)
aucheri (H2)
'Ballet Lesson' (SDB) (H4)
'Banbury Beauty' (CH) (H3)
'Bedford Lilac' (SDB) (H4)
'Belise' (Spuria) (H4)
'Berlin Tiger' (H4)
'Bewdley' (IB) (H4)
'Bibury' (SDB) (H4)
'Big Money' (CH) (H3)
'Black Sergeant' (TB) (H4)
'Blackbeard' (BB) (H4)
'Blue Ballerina' (CH) (H3)
'Blue Line' (SDB) (H4)
'Blue Luster' (TB) (H4)
'Bob Nichol' (TB) (H4)
'Bold Stroke' (IB) (H4)
'Breakers' (TB) (H4)
'Broadleigh Carolyn' (CH) (H3)
'Bromyard' (SDB) (H4)
'Bronzaire' (IB) (H4)
'Brown Lasso' (BB) (H4)
bucharica Foster (H3-4)
'Bumblebee Deelite' (MTB) (H4)
'Cardew' (TB) (H4)
'Carolyn Rose' (MTB) (H4)
'Cee Jay' (IB) (H4)
'Chance Beauty' (SpecHybrid) (H4)
'Chickee' (MTB) (H4)
'Chiltern Gold' (IB) (H4)
chrysographes (H4)
'Clara Garland' (IB) (H4)
'Clarke Cosgrove' (Spuria) (H4)
'Clear Morning Sky' (TB) (H4)
confusa (H3)
'Cool Treat' (BB) (H4)
'Cranapple' (BB) (H4)
'Cream Soda' (TB) (H4)
cristata (H4)
crocea (H4)
'Dark Rosaleen' (TB) (H4)
delavayi (H4)
'Delicate Lady' (IB) (H4)
'Designer's Choice' (TB) (H4)
'Destination' (Spuria) (H4)
'Diligence' (SDB) (H4)
douglasiana (H4)
'Dovedale' (TB) (H4)
'Driftwood' (Spuria) (H4)
'Dwight Enys' (TB) (H4)
'Eardisland' (IB) (H4)
'Early Light' (TB) (H4)
'Eileen Louise' (TB) (H4)
'Eleanor Clare' (IB) (H4)
ensata (H4)
—'Aldridge Snow Maiden' (H4)
—'Aldridge Visitor' (H4)
—'Barr Purple East' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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—'Caprician Butterfly' (H4)
—'Continuing Pleasure' (H4)
—'Flying Tiger' (H4)
—'Fringed Cloud' (H4)
—'Give-me-Patience' (H4)
—'Hue and Cry' (H4)
—'Imperial Magic' (H4)
—'Katy Mendez' (H4)
—'Lasting Pleasure' (H4)
—'Magic Opal' (H4)
—'Mancunian' (H4)
—'Ol' Man River' (H4)
—'Returning Tide' (H4)
—'Rose Queen' (H4)
—'Southern Son' (H4)
—'Summer Storm' (H4)
—'The Great Mogul' (H4)
—'Variegata' (v) (H4)
—'Vintage Festival' (H4)
'Eye Magic' (IB) (H4)
'Eyebright' (SDB) (H4)
'Fern Oakley' (TB) (H4)
'Fierce Fire' (IB) (H4)
'Fine Line' (Cal-Sib) (H3)
'Floating World' (CH) (H4)
'Florentina' (IB/TB) (H4)
foetidissima (H4)
—'Variegata' (v) (H4)
forrestii (H4)
'Fritillary Flight' (IB) (H4)
× fulvala (H4)
'Garlanda' (TB) (H4)
'George' (Reticulata) (H4)
germanica (H4)
'Golden Waves' (Cal-Sib) (H3)
'Goring Ace' (CH) (H3)
'Goring Passion' (CH) (H4)
'Goring Steeple' (CH) (H4)
graminea (H4)
'Green Spot' (SDB) (H4)
'Gwyneth Evans' (BB) (H4)
'Happy Mood' (IB) (H4)
'Holden Clough' (SpecHybrid) (H4)
'Honeyplic' (IB) (H4)
hoogiana (H3)
'Ice Dancer' (TB) (H4)
'Ila Crawford' (Spuria) (H4)
'Impetuous' (BB) (H4)
'Innocent Heart' (IB) (H4)
'Jane Phillips' (TB) (H4)
'Janine Louise' (TB) (H4)
japonica (H3)
—'Variegata' (v) (H3)
'Jeremy Brian' (SDB) (H4)
'Katharine Hodgkin' (Reticulata) (H4)
'Katie-Koo' (IB) (H4)
'Ken's Choice' (TB) (H4)
kerneriana (H4)
'Kitt Peak' (Spuria) (H4)
lactea (H4)
lacustris (H4)
'Lady Belle' (MTB) (H4)
laevigata (H4)
—'Variegata' (v) (H4)
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35
'Langport Wren' (IB) (H4)
'Lark Rise' (TB) (H4)
latifolia (H4)
lazica (H4)
'Lincoln Imp' (CH) (H3)
'Lisa Jane' (SDB) (H4)
'Little Tilgates' (CH) (H3)
'Loose Valley' (MTB) (H4)
'Love for Leila' (Spuria) (H4)
'Luli-Ann' (SDB) (H4)
lutescens (H4)
'Lydia Jane' (Spuria) (H4)
'Madeleine Spring' (BB) (H4)
'Magic Bubbles' (IB) (H4)
magnifica (H3-4)
'Mary Constance' (IB) (H4)
'Mary McIlroy' (SDB) (H4)
'Maui Moonlight' (IB) (H4)
'Meg's Mantle' (TB) (H4)
'Michael Paul' (SDB) (H4)
'Midnight Web' (TB) (H4)
milesii (H4)
'Mini Might' (SDB) (H4)
missouriensis (H4)
'Mister Matthew' (TB) (H4)
'Monspur Cambridge Blue' (Spuria) (H4)
'Morning's Blush' (SDB) (H4)
'Morwenna' (TB) (H4)
'Nicola Jane' (TB) (H4)
'No Name' (CH) (H3)
'Norton Sunlight' (Spuria) (H4)
'Orange Dawn' (TB) (H4)
orientalis Mill. (H4)
'Orinoco Flow' (BB) (H4)
'Ouija' (BB) (H4)
'Pajaro Dunes' (CH) (H3)
'Pale Shades' (IB) (H4)
pallida subsp. pallida (H4)
—'Variegata' Hort. (v) (H4)
'Paradise Bird' (TB) (H4)
'Pascoe' (TB) (H4)
'Peacock Pavane' (CH) (H4)
'Peggy Chambers' (IB) (H4)
'Phil Edinger' (H4)
'Phil Keen' (TB) (H4)
'Pink Parchment' (BB) (H4)
'Precious Heather' (TB) (H4)
'Prince of Burgundy' (IB) (H4)
'Princess Sabra' (TB) (H4)
'Professor Blaauw' (Dut) (H4)
'Protégé' (Spuria) (H4)
'Prudy' (BB) (H4)
pseudacorus (H4)
—'Roy Davidson' (H4)
—'Variegata' (v) (H4)
'Purple Landscape' (SDB) (H4)
'Rain Dance' (SDB) (H4)
'Raspberry Blush' (IB) (H4)
reticulata (H4)
'Ring o' Roses' (CH) (H3)
'River Avon' (TB) (H4)
'Robin Goodfellow' (MTB) (H4)
× robusta 'Gerald Darby' (H4)
'Royal Contrast' (SDB) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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sanguinea (H4)
'Sarah Taylor' (SDB) (H4)
'Scintilla' (IB) (H4)
setosa (H4)
'Severn Side' (TB) (H4)
'Shelford Giant' (Spuria) (H4)
'Sherbet Lemon' (IB) (H4)
'Sherwood Primrose' (TB) (H4)
'Short Order' (CH) (H3)
sibirica (H4)
—'Annemarie Troeger' (H4)
—'Berlin Ruffles' (H4)
—'Blaue Milchstrasse' (H4)
—'Bournemouth Beauty' (H4)
—'Butter and Sugar' (H4)
—'Cambridge' (H4)
—'Cleedownton' (H4)
—'Cleeton Double Chance' (Sino-Sib) (H4)
—'Crème Chantilly' (H4)
—'Dreaming Spires' (H4)
—'Dreaming Yellow' (H4)
—'Exuberant Encore' (H4)
—'Glanusk' (H4)
—'Glaslyn' (H4)
—'Granny Jean' (H4)
—'Harpswell Happiness' (H4)
—'Isla Serle' (H4)
—'Kathleen Mary' (H4)
—'Lavendelwein' (H4)
—'Mikiko' (H4)
—'Oban' (H4)
—'Perfect Vision' (H4)
—'Plissee' (H4)
—'Prussian Blue' (H4)
—'Regency Belle' (H4)
—'Reprise' (H4)
—'Roisin' (H4)
—'Rosselline' (H4)
—'Ruffled Velvet' (H4)
—'Shall We Dance' (H4)
—'Shirley Pope' (H4)
—'Silver Edge' (H4)
—'Siobhan' (H4)
—'Smudger's Gift' (H4)
—'Soft Blue' (H4)
—'Trim the Velvet' (H4)
—'Welfenprinz' (H4)
—'White Swirl' (H4)
—'Zakopane' (H4)
'Sindpers' (Juno) (H3)
sintenisii (H4)
'Snowy Owl' (TB) (H4)
'Somerset Blue' (TB) (H4)
'Sonoran Señorita' (Spuria) (H4)
'Sparkling Lemonade' (BB) (H4)
'Stepping Out' (TB) (H4)
'Stinger' (SDB) (H4)
'Strawberry Love' (IB) (H4)
'Sun Doll' (SDB) (H4)
'Sunny Dawn' (IB) (H4)
'Sunrise in Sonora' (Spuria) (H4)
'Sunset Colors' (Spuria) (H4)
'Superstition' (TB) (H4)
'Susan Gillespie' (IB) (H4)
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02
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02
02
'Sweet Kate' (SDB) (H4)
'Tarot' (BB) (H4)
'Templecloud' (IB) (H4)
'Thornbird' (TB) (H4)
'Tintinara' (TB) (H4)
'Tirra Lirra' (SDB) (H4)
'Titan's Glory' (TB) (H4)
'Tol-long' (H4)
unguicularis (H4)
—'Mary Barnard' (H4)
'Vanity' (TB) (H4)
variegata (H4)
versicolor (H4)
'Vinho Verde' (IB) (H4)
'Violet Icing' (TB) (H4)
'Warleggan' (TB) (H4)
'Welch's Reward' (MTB) (H4)
'Wensleydale' (TB) (H4)
'Westar' (SDB) (H4)
'Wharfedale' (TB) (H4)
'Whiteladies' (IB) (H4)
wilsonii (H4)
winogradowii (H4)
'Wise Gift' (Cal-Sib) (H4)
'Wyoming Cowboys' (Spuria) (H4)
'Zero' (SDB) (H4)
Ismelia (Asteraceae)
93
versicolor 'Court Jesters Mixed' (H4)
~ awarded as Chrysanthemum segetum 'Court
Jester'; previously listed as Xanthophthalmum
segetum 'Court Jester'
Itea (Escalloniaceae)
93
ilicifolia (H3)
Jasminum (Oleaceae)
02
93
02
93
93
93
93
93
02
93
02
02
angulare (H1)
~ min. 5C
azoricum (H1)
~ min. 2C
grandiflorum 'De Grasse' (H1)
~ min. 5C
humile 'Revolutum' (H4)
mesnyi (H2-3)
nudiflorum (H4)
officinale (H4)
—'Argenteovariegatum' (v) (H4)
—'Inverleith' (H4)
polyanthum (H1-2)
sambac (H1)
~ min. 5C
—'Maid of Orleans' (d) (H1)
~ min. 5C
Jatropha (Euphorbiaceae)
02
podagrica (H1)
~ min. 10C; shrubby
Jovellana (Scrophulariaceae)
93
violacea (H3)
Juglans (Juglandaceae)
93
93
nigra (F) (H4)
regia (F) (H4)
Juniperus (Cupressaceae)
93
36
chinensis 'Aurea' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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—'Blaauw' (H4)
—'Kaizuka' (H4)
—'Obelisk' (H4)
—'Plumosa Aurea' (H4)
—'Pyramidalis' (H4)
communis 'Compressa' (H4)
—'Green Carpet' (H4)
—'Hibernica' (H4)
—'Hornibrookii' (H4)
—'Repanda' (H4)
horizontalis 'Wiltonii' (H4)
× pfitzeriana 'Old Gold' (H4)
—'Pfitzeriana Compacta' (H4)
—'Sulphur Spray' (H4)
~ previously listed as J. virginiana 'Sulphur Spray'
procumbens 'Nana' (H4)
squamata 'Blue Carpet' (H4)
—'Blue Star' (H4)
—'Holger' (H4)
virginiana 'Grey Owl' (H4)
Kleinia (Asteraceae)
02
Kniphofia (Asphodelaceae)
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02
02
02
02
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brandegeeana (H1)
~ min. 10C
rizzinii (H1)
~ min. 10C
02
93
beharensis (H1)
~ min. 10C; shrubby
manginii (H1)
~ min. 10C
'Mariko' (H1)
~ min. 10C
marmorata (H1)
~ min. 10C
millotii (H1)
~ min. 10C
pumila (H1)
~ min. 2C
'Tessa' (H1)
~ min. 10C
tomentosa (H1)
~ min. 10C
'Wendy' (H1)
~ min. 10C
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02
02
02
angustifolia (H4)
—f. rubra (H4)
latifolia (H4)
—'Freckles' (H4)
—'Little Linda' (H4)
—'Olympic Fire' (H4)
—'Pink Charm' (H4)
02
02
02
02
leachiana (H4)
aloides var. aurea (H1)
~ min. 2C
—var. quadricolor (H1)
~ min. 2C
—var. vanzyliae (H1)
~ min. 2C
bulbifera (H1)
~ min. 2C
—'George' (H1)
~ min. 2C
contaminata (H1)
~ min. 2C
orchioides (H1)
~ min. 2C
pustulata (H1)
~ min. 2C
viridiflora (H1)
~ min. 2C
Lagerstroemia (Lythraceae)
93
japonica 'Golden Guinea' (H4)
—'Pleniflora' (d) (H4)
indica (H1)
~ min. 2C
Lagurus (Poaceae)
Kirengeshoma (Hydrangeaceae)
93
× watereri 'Vossii' (H4)
Lachenalia (Hyacinthaceae)
Kerria (Rosaceae)
93
93
amabilis 'Pink Cloud' (H4)
Laburnum (Papilionaceae)
Kalmiopsis (Ericaceae)
93
eriantha (H1)
~ min. 10C
'Jester' (H1)
~ min. 15C
'Strawberry Fields' (H1)
~ min. 10C
'Tane' (H1)
~ min. 10C
warscewiczii (H1)
~ min. 10C
Kolkwitzia (Caprifoliaceae)
Kalmia (Ericaceae)
93
02
93
02
02
02
02
paniculata (H4)
Kohleria (Gesneriaceae)
Kalanchoe (Crassulaceae)
02
'Bees' Sunset' (H4)
'Brimstone' (H4)
'Buttercup' (H4)
caulescens (H3-4)
'David' (H4)
galpinii Baker (H4)
~ name often misapplied
'Royal Standard' (H4)
'Samuel's Sensation' (H4)
'Sunningdale Yellow' (H4)
'Toffee Nosed' (H4)
uvaria 'Nobilis' (H4)
Koelreuteria (Sapindaceae)
Justicia (Acanthaceae)
93
stapeliiformis (H1)
~ min. 10C; shrubby
95
palmata (H4)
37
ovatus (H3)
~ annual grass for drying
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Lamium (Lamiaceae)
93
01
99
maculatum 'White Nancy' (H4)
Lapageria (Philesiaceae)
93
rosea (H3)
97
Larix (Pinaceae)
93
93
decidua (H4)
kaempferi (H4)
96
Lathyrus (Papilionaceae)
93
98
97
93
00
95
97
97
94
00
99
93
94
97
97
95
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95
99
98
96
01
01
95
94
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97
latifolius (H4)
—'Albus' (H4)
~ perennial, tall, old-fashioned
—'Rosa Perle' (H4)
—'White Pearl' (H4)
~ most plants now sold under this name are 'Albus'
odoratus 'Alaska Blue' (H4)
—'America' (H4)
~ annual, tall, old-fashioned
—'Aunt Jane' (H4)
~ annual, tall, Spencer
—'Bert Boucher' (H4)
~ annual, tall, Spencer
—'Bishop Rock' (H4)
~ annual, tall, Spencer
—'Bobby's Girl' (H4)
—'Bristol' (H4)
~ annual, tall, Spencer
—'Charlie's Angel' (H4)
~ annual, tall, Spencer
—'Colin Unwin' (H4)
~ annual, tall, Spencer
—'Dave Thomas' (H4)
~ annual, tall, Spencer
—'Dawn Chorus' (H4)
~ annual, medium height, Spencer
—'Dorothy Eckford' (H4)
~ annual, tall, old-fashioned
—'Evening Glow' (H4)
~ annual, tall, Spencer
—'Flora Norton' (H4)
~ annual, tall, old-fashioned
—'Florencecourt' (H4)
~ annual, tall, Spencer
—'Gwendoline' (H4)
~ annual, tall, Spencer
—'Hannah's Harmony' (H4)
~ annual, medium height, Spencer
—'Heartbeat' (H4)
—'Isabella Cochrane' (H4)
—'Janet Scott' (H4)
~ annual, tall, old-fashioned
—'Jayne Amanda' (H4)
~ annual, tall, Spencer
—'Jilly' (H4)
~ annual, tall, Spencer
—'King Edward VII' (H4)
~ annual, tall, old-fashioned
—'Kiri Te Kanawa' (H4)
~ annual, tall, Spencer
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—'Linda C' (H4)
—'Lizbeth' (H4)
~ annual, tall, Spencer; previously cited as
'Lisbeth'
—'Margaret Joyce' (H4)
~ annual, tall, Spencer
—'Marie's Melody' (H4)
~ annual, medium height, Spencer
—'Millennium' (H4)
~ annual, tall, Spencer
—'Mrs Bernard Jones' (H4)
~ annual, tall, Spencer
—'Noel Sutton' (H4)
~ annual, tall, Spencer
—'Oban Bay' (H4)
~ annual, tall, Spencer
—'Oklahoma' (H4)
—'Oxford Blue' (H4)
—'Patricia Anne' (H4)
~ annual, tall, Spencer
—'Phoebe' (H4)
~ annual, tall, Spencer
—'Pink Cupid' (H4)
~ annual, dwarf, old-fashioned
—'Pinocchio' (H4)
~ annual, dwarf, Spencer
—'Pocahontas' (H4)
~ annual, tall, Spencer
—'Ron Entwistle' (H4)
~ annual, tall, Spencer
—'Royal Flush' (H4)
~ annual, tall, Spencer
—'Sicilian Pink' (H4)
~ annual, tall, Spencer
—'Solway Fanfare' (H4)
~ annual, medium, Spencer
—'Southbourne' (H4)
~ annual, tall, Spencer
—'Starlight Sonata' (H4)
—'Sunset' (H4)
—'Tahiti Sunrise' (H4)
~ annual, tall, Spencer
—'Teresa Maureen' (H4)
~ annual, tall, old-fashioned
—'Toby Robinson' (H4)
~ annual, tall, Spencer
—'Valerie Harrod' (H4)
—'Virgo' (H4)
~ annual, tall, Spencer; available from Kings
Seeds as part of their 'Signs of the Zodiac' series
—'Wedding Day' (H4)
—'White Supreme' (H4)
~ annual, tall, Spencer
rotundifolius (H4)
vernus (H4)
—'Alboroseus' (H4)
Laurus (Lauraceae)
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nobilis (H4)
—'Aurea' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Lavandula (Lamiaceae)
02
93
02
02
02
02
02
02
02
02
02
02
02
01
93
02
02
93
93
02
Leucanthemella (Asteraceae)
angustifolia 'Beechwood Blue' (H4)
—'Hidcote' (H4)
~ reconfirmed 2001; plants raised from seed are
not entitled to this cultivar name
—'Imperial Gem' (H4)
—LITTLE LOTTIE = 'Clarmo' (H4)
—'Loddon Blue' (H4)
—'Loddon Pink' (H4)
—'Miss Katherine' (PBR) (H4)
—MISS MUFFET = 'Scholmis' (H4)
—'Nana Alba' (H4)
—'Wendy Carlile' (H4)
dentata 'Royal Crown' (H2-3)
× intermedia 'Alba' (H4)
—'Arabian Night' (H4)
—'Hidcote Giant' (H4)
lanata (H3)
'Richard Gray' (H3-4)
'Sawyers' (H4)
stoechas (H3-4)
~ reconfirmed after trial 2001
—subsp. pedunculata (H3-4)
~ reconfirmed after trial 1999
—'Willow Vale' (H3-4)
93
Leucanthemum (Asteraceae)
93
93
93
02
96
96
96
96
02
93
93
93
93
93
93
93
93
93
93
93
× clementii 'Bredon Springs' (H3-4)
—'Burgundy Wine' (H3-4)
—'Candy Floss' (H3-4)
—'Rosea' (H3-4)
maritima (H2-3)
trimestris 'Beauty Formula Mixture' (H3)
~ annual, from seed
—Beauty Series (H3)
~ sold as a mixture
—'Pink Beauty' (H3)
~ annual, from seed
—'Salmon Beauty' (H3)
~ annual, from seed
—'Silver Cup' (H3)
~ annual, from seed
—'White Beauty' (H3)
~ annual, from seed
02
formosa (H4)
Libertia (Iridaceae)
98
grandiflora (H4)
Ligularia (Asteraceae)
93
93
98
93
dentata 'Desdemona' (H4)
'Gregynog Gold' (H4)
przewalskii (H4)
'The Rocket' (H4)
Ligustrum (Oleaceae)
93
93
93
93
lucidum (H4)
—'Excelsum Superbum' (v) (H4)
ovalifolium 'Aureum' (v) (H4)
quihoui (H4)
Lilium (Liliaceae)
02
02
93
93
02
02
02
02
93
02
02
02
02
93
02
93
02
02
02
93
'Arctic Tern' (H4)
buxifolium (H4)
houlletianum (H1)
~ min. 2-10C
rupestre (H4)
scoparium var. incanum 'Keatleyi' (H3)
—(Nanum Group) 'Kiwi' (H3)
—'Nichollsii' (H3)
—'Nichollsii Nanum' (H2-3)
—'Red Damask' (d) (H3)
'Silver Sheen' (H3)
Lespedeza (Papilionaceae)
93
brachycalyx (H2)
cotyledon (H4)
—var. heckneri (H4)
—Sunset Group (H4)
tweedyi (H2)
Leycesteria (Caprifoliaceae)
Leptospermum (Myrtaceae)
93
93
93
93
93
93
02
fontanesiana (H4)
~ previously listed as L. walteri
—'Rollissonii' (H4)
~ previously listed under L. walteri
Lewisia (Portulacaceae)
Lepismium (Cactaceae)
93
aestivum 'Gravetye Giant' (H4)
autumnale (H4)
nicaeense (H2-3)
vernum (H4)
Leucothoe (Ericaceae)
Leiophyllum (Ericaceae)
93
purpurea (H1)
~ min. 5C
Leucojum (Amaryllidaceae)
× Ledodendron (Ericaceae)
93
× superbum 'Aglaia' (d) (H4)
—'T.E. Killin' (d) (H4)
—'Wirral Supreme' (d) (H4)
Leucocoryne (Alliaceae)
Lavatera (Malvaceae)
97
97
97
93
93
96
serotina (H4)
thunbergii (H4)
39
African Queen Group (VIa) (H4)
'Apollo' (Ia) (H4)
candidum (IX) (H4)
'Casa Blanca' (VIIb) (H4)
'Fata Morgana' (Ia/d) (H4)
'Garden Party' (VII) (H4)
Golden Splendor Group (VIa) (H4)
'Grand Cru' (Ia) (H4)
henryi (IX) (H4)
'Joy' (VIIb) (H4)
'King Pete' (Ib) (H4)
lancifolium var. splendens (IX) (H4)
'Lennox' (H4)
longiflorum (IX) (H2-3)
martagon (IX) (H4)
—var. album (IX) (H4)
'Medaillon' (Ia) (H4)
'Novo Cento' (H4)
pardalinum (IX) (H4)
Pink Perfection Group (VIa) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
02
93
pumilum (IX) (H4)
regale (IX) (H4)
'Sam' (VII) (H4)
× testaceum (IX) (H4)
93
98
Limnanthes (Limnanthaceae)
93
douglasii (H4)
Limonium (Plumbaginaceae)
93
98
bonduellii 'Forever Gold' (H3)
Lindera (Lauraceae)
93
obtusiloba (H4)
98
Linum (Linaceae)
93
93
93
arboreum (H4)
'Gemmell's Hybrid' (H4)
grandiflorum (H3)
98
Liquidambar (Hamamelidaceae)
93
93
styraciflua 'Lane Roberts' (H4)
—'Worplesdon' (H4)
97
Liriodendron (Magnoliaceae)
93
93
97
97
97
93
97
93
96
tulipifera (H4)
—'Aureomarginatum' (v) (H4)
Liriope (Convallariaceae)
93
muscari (H4)
Lithodora (Boraginaceae)
93
93
93
diffusa 'Grace Ward' (H4)
—'Heavenly Blue' (H4)
oleifolia (H4)
Lobivia (Cactaceae)
Lithops (Aizoaceae)
02
02
02
02
02
02
02
02
02
02
93
aucampiae (H1)
~ min. 2C
bromfieldii (H1)
~ min. 2C
hallii (H1)
~ min. 2C
hookeri (H1)
~ min. 2C
karasmontana (H1)
~ min. 2C
lesliei (H1)
~ min. 2C
olivacea (H1)
~ min. 2C
pseudotruncatella (H1)
~ min. 2C
salicola (H1)
~ min. 2C
schwantesii (H1)
~ min. 2C
93
93
93
93
02
02
98
98
98
98
93
93
maritima Easter Bonnet Series (H3)
~ sold as a mixture
—Golf Series (H3)
~ sold as a mixture
—'Rosie O'Day' (H3)
—'Snowdrift' (H3)
—'Violet Queen' (H3)
—'Wonderland White' (H3)
Lonicera (Caprifoliaceae)
93
97
97
93
chinensis (H1)
~ min. 2C
Lobelia (Campanulaceae)
93
93
02
aurea (H1)
~ min. 2-10C
cinnabarina (H1)
~ min. 2-10C
jajoiana (H1)
~ min. 2-10C
winteriana (H1)
~ min. 2-10C
wrightiana (H1)
~ min. 2-10C
Lobularia (Brassicaceae)
Livistona (Arecaceae)
93
~ award confirmed, for N.L. Chrestensen selection
only, in 1998 after trial as a cultivar suitable for
growing in the open ground
—'Mrs Clibran' (H3)
—'Regatta Midnight Blue' (H3)
~ as a cultivar suitable for growing in the open
ground and trailing in hanging pots
—'Regatta Sky Blue' (H3)
~ as a trailing cultivar suitable for growing in
hanging pots
—'Riviera Blue Eyes' (H3)
~ as a cultivar suitable for growing in the open
ground
—'String of Pearls' (H3)
~ as a cultivar suitable for growing in the open
ground; award applies to S.E. Marshall's selection
'Fan Orchidrosa' (H3-4)
~ previously listed as L. FAN ORCHID ROSE
'Fan Scharlach' (H3-4)
'Fan Tiefrot' (H3-4)
'Fan Zinnoberrosa' (H3-4)
'Kompliment Scharlach' (H3-4)
'Pink Elephant' (H4)
'Queen Victoria' (H3)
richardsonii (H1+3)
~ min. 10C
cardinalis (H3)
erinus 'Cambridge Blue' (H3)
—Cascade Series (H3)
~ sold as a mixture
—'Colour Cascade' (H3)
—'Crystal Palace' (H3)
93
97
93
93
93
40
caprifolium (H4)
etrusca 'Donald Waterer' (H4)
—'Superba' (H4)
× italica (H4)
~ often available in trade as L. x americana; the
true L. x americana is much less common
japonica 'Halliana' (H4)
—var. repens (H4)
nitida 'Baggesen's Gold' (H4)
periclymenum 'Graham Thomas' (H4)
—'Serotina' (H4)
~ the plant selected at East Malling (EM85) is the
more vigorous
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
02
93
× purpusii 'Winter Beauty' (H4)
sempervirens (H4)
similis var. delavayi (H4)
tragophylla (H4)
93
93
Lophospermum (Scrophulariaceae)
93
93
93
93
02
93
erubescens (H2-3)
Lotus (Papilionaceae)
02
02
02
berthelotii deep red (H1+3)
~ min. 2C
× berthelotii (H1+3)
~ min. 2C
hirsutus (H3-4)
93
93
93
Luculia (Rubiaceae)
93
gratissima (H1-2)
Luma (Myrtaceae)
93
02
apiculata (H3)
—'Glanleam Gold' (v) (H3)
93
Lunaria (Brassicaceae)
93
93
93
93
annua var. albiflora (H4)
Lupinus (Papilionaceae)
93
93
arboreus (H4)
Band of Nobles Series (H4)
93
93
93
02
93
93
93
Lychnis (Caryophyllaceae)
93
98
93
02
93
93
chalcedonica (H4)
coronaria (H4)
—'Alba' (H4)
flos-jovis (H4)
viscaria 'Splendens Plena' (d) (H4)
× walkeri 'Abbotswood Rose' (H4)
Lysichiton (Araceae)
93
93
93
Mahonia (Berberidaceae)
americanus (H4)
camtschatcensis (H4)
93
93
93
93
93
93
93
93
Lysimachia (Primulaceae)
96
93
93
ciliata 'Firecracker' (H4)
clethroides (H4)
nummularia 'Aurea' (H4)
Lythrum (Lythraceae)
02
93
salicaria 'Blush' (H4)
—'Feuerkerze' (H4)
93
93
93
93
93
93
93
93
93
weddellianum (H1)
~ min. 10C
Mackaya (Acanthaceae)
93
bella (H1)
~ min. 2C
Macleaya (Papaveraceae)
93
02
93
cordata (Willd.) R. Br. (H4)
× kewensis 'Flamingo' (H4)
microcarpa 'Kelway's Coral Plume' (H4)
93
93
93
93
93
02
'Evereste' (H4)
floribunda (H4)
hupehensis (H4)
'John Downie' (C) (H4)
× robusta 'Red Sentinel' (H4)
'Royal Beauty' (H4)
transitoria (H4)
tschonoskii (H4)
× zumi 'Golden Hornet' (H4)
Malva (Malvaceae)
93
Magnolia (Magnoliaceae)
93
aquifolium 'Apollo' (H4)
japonica (H4)
lomariifolia (H3)
× media 'Buckland' (H4)
—'Lionel Fortescue' (H4)
—'Underway' (H4)
—'Winter Sun' (H4)
× wagneri 'Pinnacle' (H4)
Malus (Rosaceae)
Lytocaryum (Arecaceae)
93
'Heaven Scent' (H4)
~ (Gresham hybrid)
'Jane' (H4)
~ (Kosar hybrid)
liliiflora 'Nigra' (H4)
× loebneri 'Leonard Messel' (H4)
—'Merrill' (H4)
'Milky Way' (H4)
obovata Thunb. (H4)
~ awarded as M. hypoleuca
'Pinkie' (H4)
~ (Kosar hybrid)
salicifolia (H3-4)
—'Wada's Memory' (H4)
~ previously listed as M. x kewensis 'Wada's
Memory'
'Sayonara' (H4)
~ (Gresham hybrid)
sieboldii subsp. sieboldii (H4)
× soulangeana 'Brozzonii' (H3-4)
—'Etienne Soulange-Bodin' (H3-4)
~ usually grown as M. x soulangeana
—'Lennei' (H3-4)
—'Lennei Alba' (H3-4)
—'Rustica Rubra' (H3-4)
'Star Wars' (H4)
stellata (H4)
—'Waterlily' (H4)
'Susan' (H4)
~ (Kosar hybrid)
wilsonii (H4)
moschata f. alba (H4)
Mammillaria (Cactaceae)
'Ann' (H4)
~ (De Vos hybrid)
'Betty' (H4)
~ (Kosar hybrid)
denudata (H3-4)
'Elizabeth' (H4)
'Galaxy' (H4)
grandiflora 'Exmouth' (H3-4)
—'Victoria' (H3-4)
93
93
93
93
41
baumii (H1)
~ min. 2-10C
bocasana (H1)
~ min. 2-10C
bombycina (H1)
~ min. 2-10C
candida (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
93
93
93
93
93
93
93
93
~ awarded as Mertensia pulmonarioides
~ min. 2-10C
carmenae (H1)
~ min. 2-10C
elongata (H1)
~ min. 2-10C
geminispina (H1)
~ min. 2-10C
hahniana (H1)
~ min. 2-10C
parkinsonii (H1)
~ min. 2-10C
plumosa (H1)
~ min. 2-10C
pringlei (H1)
~ min. 2-10C
prolifera (H1)
~ min. 2-10C
sphaerica (H1)
~ min. 2-10C
spinosissima (H1)
~ min. 2-10C
zeilmanniana (H1)
~ min. 2-10C
Metasequoia (Cupressaceae)
93
Microbiota (Cupressaceae)
93
02
02
02
98
93
93
93
93
93
93
93
02
93
01
01
01
01
01
01
01
01
01
01
01
01
× amabilis 'Alice du Pont' (H1)
~ min. 10C; previously listed under M. x amoena
boliviensis (H1)
~ min. 10C
laxa (H2)
splendens (H1)
~ min. 10C
01
01
01
01
leuconeura var. erythroneura (H1)
~ min. 15C
—var. kerchoveana (H1)
~ min. 15C
93
struthiopteris (H4)
93
93
Cinderella Series (H1)
~ sold as a mixture
93
aurantiaca (H1)
~ min. 2-10C
intertexta (H1)
~ min. 2-10C
93
93
01
01
01
01
01
betonicifolia (H4)
(Infertile Blue Group) 'Slieve Donard' (H4)
quintuplinervia (H4)
93
magnifica (H1)
~ min. 15C
93
Melianthus (Melianthaceae)
93
deliciosa (F) (H1)
~ min. 10C
—'Variegata' (v) (H1)
~ min. 10C
Morus (Moraceae)
major (H3)
Mertensia (Boraginaceae)
93
'Beauty of Cobham' (H4)
~ reconfirmed after trial 2001
'Cambridge Scarlet' (H4)
'Croftway Pink' (H4)
'Gardenview Scarlet' (H4)
'Marshall's Delight' (H4)
'Squaw' (H4)
'Talud' (H4)
'Violet Queen' (H4)
Monstera (Araceae)
Medinilla (Melastomataceae)
02
× intermedia (H4)
Monarda (Lamiaceae)
Meconopsis (Papaveraceae)
93
93
93
caerulea subsp. caerulea 'Variegata' (v) (H4)
Moltkia (Boraginaceae)
Matucana (Cactaceae)
93
sinensis var. condensatus 'Cosmopolitan' (v)
(H4)
—'Flamingo' (H4)
—'Gewitterwolke' (H4)
—'Ghana' (H4)
—'Gold und Silber' (H4)
—'Grosse Fontäne' (H4)
—'Kaskade' (H4)
—'Kleine Fontäne' (H4)
—'Kleine Silberspinne' (H4)
—'Morning Light' (v) (H4)
—'Septemberrot' (H4)
—'Silberfeder' (H4)
~ awarded as 'Silver Feather'
—'Strictus' (v) (H4)
—'Undine' (H4)
—'Variegatus' (v) (H4)
—'Zebrinus' (v) (H4)
Molinia (Poaceae)
Matthiola (Brassicaceae)
93
aurantiacus (H2-3)
'Calypso' (H3)
cardinalis (H3)
cupreus 'Whitecroft Scarlet' (H4)
'Highland Red' (H4)
lewisii (H3)
Magic Series (H4)
~ sold as a mixture
naiandinus (H3)
~ previously listed as M. 'Andean Nymph'
Miscanthus (Poaceae)
Matteuccia (Woodsiaceae)
93
effusum 'Aureum' (H4)
Mimulus (Scrophulariaceae)
Maranta (Marantaceae)
02
decussata (H4)
Milium (Poaceae)
Mandevilla (Apocynaceae)
93
glyptostroboides (H4)
93
nigra (F) (H4)
virginica (H4)
42
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Musa (Musaceae)
93
02
02
93
93
02
98
acuminata 'Dwarf Cavendish' (AAA Group) (F)
(H1)
~ AAA Group; min. 10C
—'Zebrina' (H1+3)
~ min. 10C
basjoo (H3-4)
coccinea (H1)
~ min. 10C; awarded as Musa uranoscopus
misapplied
ornata (H1)
~ min. 10C
velutina (H1+3)
~ min. 10C
93
98
93
Muscari (Hyacinthaceae)
93
93
93
93
01
armeniacum (H4)
aucheri (H4)
azureum (H4)
pseudomuscari (H4)
93
Myosotis (Boraginaceae)
93
93
01
'Blue Ball' (H4)
'Ultramarine' (H4)
Myrtus (Myrtaceae)
93
93
02
communis (H3)
—subsp. tarentina (H3)
Nandina (Berberidaceae)
93
02
01
domestica (H3)
—'Fire Power' (H3)
Narcissus (Amaryllidaceae)
01
95
93
96
93
01
93
94
95
93
'Aberfoyle' (2) (H4)
~ bright yellow with a deep orange-red corona;
free flowering and very early
'Accent' (2) (H4)
~ a sturdy flower with a wonderfully deep pink
corona
'Actaea' (9) (H4)
~ an old and reliable poeticus daffodil, fragrant
and with a deep red rim
'April Tears' (5) (H4)
~ a deep lemon-yellow daffodil of great charm,
with several neatly formed pendent flowers per
stem
'Arctic Gold' (1) (H4)
~ a vigorous and free flowering trumpet daffodil of
the deepest golden yellow
'Arkle' (1) (H4)
~ a deep yellow trumpet daffodil of immense size
and vigour
'Armada' (2) (H4)
~ a strong and vigorous plant with vivid yellow
petals and orange corona
asturiensis (13) (H3-4)
~ miniature yellow trumpet daffodil, hugging the
ground; requiring acid soil and flowering from
late winter to early spring
'Avalanche' (8) (H3)
~ a plant of amazing vigour, with strong stems
bearing up to a dozen beautifully formed yellow
and white flowers
98
93
95
98
94
98
95
96
43
'Badbury Rings' (3) (H4)
~ a wonderful yellow small-cupped daffodil with
an orange rim; a leader on the show bench as well
as a good garden plant
'Bantam' (2) (H4)
~ a bright and perky intermediate-sized daffodil
with golden petals and an orange corona often
sharply rimmed with red*
'Barnum' (1) (H4)
~ large and robust; deep golden yellow with very
wide petals; a long-lasting flower of great
substance and proud stance
'Bawnboy' (1) (H4)
~ a deep yellow trumpet daffodil; strong-growing
and reliable
'Ben Hee' (2) (H4)
~ a pristine white daffodil of beautiful form
'Biscayne' (1) (H4)
~ a most reliable and vigorous yellow trumpet
daffodil of excellent pose
'Border Beauty' (2) (H4)
~ a very large and showy bright red and yellow
flower of excellent pose
'Boslowick' (11a) (H4)
~ an excellent, early-season flower with spreading
orange corona
'Boulder Bay' (2) (H4)
~ a large yellow flower with trumpet-like corona
and flared orange rim; distinct
'Brabazon' (1) (H4)
~ a deep golden yellow trumpet daffodil; tall,
strong and free-flowering
'Bram Warnaar' (1) (H4)
~ a sturdy and long-lasting yellow flower with a
bold trumpet
'Bravoure' (1) (H4)
~ an extremely large flower with wonderful
contrast between white petals and bold yellow
trumpet
'Broomhill' (2) (H4)
~ sparkling white; wonderfully reliable for both
show and garden
'Bryanston' (2) (H4)
~ a tall, strong and early-flowering plant of "look
you in the eye" pose, with well formed and longlasting flowers of deep golden yellow
bulbocodium (13) (H3-4)
~ hoop petticoat; miniature yellow flowers with
narrow petals and large corona; best in a wet
position on acid soil*
'Bunting' (7) (H4)
~ fragrant, and one of the brightest of the orange
and yellow jonquils
'Camelot' (2) (H4)
~ large round mid-yellow flower; robust and
vigorous
'Cantabile' (9) (H4)
~ the poeticus daffodil by which all others are
judged; reliable and well-formed
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
94
94
98
95
95
93
93
95
99
96
01
98
93
95
01
02
99
01
93
cantabricus subsp. cantabricus var. cantabricus
(13) (H2)
~ icy white hoop petticoat flowers on short stems;
flowering in the alpine house in early spring*
——var. foliosus (13) (H2)
~ milk-white hoop petticoat daffodils flowering in
late autumn*
'Carib Gipsy' (2) (H4)
~ strong and vigorous plant; pale yellow petals
and a well-contrasted white corona with broad
golden yellow rim
'Carlton' (2) (H4)
~ famously reliable for large-scale planting
'Ceylon' (2) (H4)
~ one of the best orange and yellow daffodils for
sun resistance and a striking pose
'Charity May' (6) (H4)
~ a free-flowering daffodil of shy pose and sweptback petals*
'Charter' (2) (H4)
~ a large flower with petals and corona rim of
luminous lemon-yellow
'Cheerfulness' (4) (H4)
~ sturdy and fragrant, with several neat semidouble flowers per stem
'Chesterton' (9) (H4)
~ a poeticus daffodil of good foliage, form and
colour which stands up well to the weather
'Chit Chat' (7) (H4)
~ dainty and bright yellow, with two to four nicely
formed round flowers per stem
'Chromacolor' (2) (H4)
~ eye-catching large flower with pure white petals
and bright pink trumpet-shaped corona
'Crackington' (4) (H4)
~ reliable orange and yellow double daffodil of
rapid increase; standing well in all weathers
cyclamineus (13) (H4)
~ miniature yellow trumpet daffodil with strongly
reflexed petals; flowering in early spring in a wet
position on acid soil; very durable
'Daydream' (2) (H3)
~ a beautifully formed flower with the petals bright
lemon-yellow and the corona gradually turning
white
'Desdemona' (2) (H4)
~ a tall and reliable all-white daffodil
'Dickcissel' (7) (H4)
~ very free flowering with heads held well above
the foliage; good for show, flower arranging and
cutting as well as for the garden
'Dispatch Box' (1) (H4)
~ an outstanding yellow trumpet daffodil; free
flowering, with the blooms held well above the
foliage
'Doctor Hugh' (3) (H4)
~ a large bold flower of great impact, with pure
white petals and bright orange cup; a leading
show variety too
'Double Event' (4) (H4)
93
02
95
01
93
01
98
93
93
95
95
95
98
98
95
95
93
95
93
95
44
~ well formed double daffodil with yellow and
white petals intermingled
'Dove Wings' (6) (H4)
~ sister seedling to 'Charity May', with all the
same qualities but dressed in yellow and white*
'Drumlin' (1) (H4)
~ large and strong, with yellow and white flowers
of great impact over a long period
'Dutch Master' (1) (H4)
~ a very large traditional yellow trumpet of great
vigour
'Eaton Song' (12) (H4)
~ a short-stemmed, twin-headed, yellow and
orange daffodil with a very long flowering period
'Empress of Ireland' (1) (H4)
~ stately and imposing white daffodil with a
beautifully flanged trumpet
'Exception' (1) (H4)
~ a sturdy trumpet daffodil of deep golden yellow;
free-flowering in early spring
'Falconet' (8) (H4)
~ multi-headed, brightly coloured and fragrant
'February Gold' (6) (H4)
~ distinct profile with swept-back petals and long
trumpet; ideal for naturalising
'Feeling Lucky' (2) (H4)
~ a colourful flower of rapid increase
'Foundling' (6) (H4)
~ a sturdy and prolific plant of intermediate size
with reflexed white petals and a neat corona of
bright pink*
'Gay Kybo' (4) (H4)
~ a large and imposing double daffodil of neat
form on a strong stem
'Geranium' (8) (H4)
~ multi-headed, reliable and fragrant; and good
for cutting
'Gin and Lime' (1) (H4)
~ lime-yellow trumpet daffodil of immense size and
vigour
'Glenfarclas' (1) (H4)
~ one of the few orange trumpet daffodils; very
bright and cheerful
'Gold Convention' (2) (H4)
~ smooth flower of beautiful form and deepest
yellow; strong constitution and good pose
'Golden Aura' (2) (H4)
~ well rounded flowers of perfect form and
polished golden yellow
'Golden Dawn' (8) (H3)
~ reliable tazetta daffodil of attractive colouring;
several scented flowers per stem
'Golden Jewel' (2) (H4)
~ deep golden yellow flower with jewel-smooth
texture; excellent stem and pose
'Golden Rapture' (1) (H4)
~ a massive golden yellow trumpet daffodil of
great impact
'Golden Vale' (1) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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~ a sturdy yellow trumpet daffodil with broad and
spreading petals
'Goldfinger' (1) (H4)
~ a deep yellow trumpet daffodil; free flowering,
long-lasting and consistent
'Grasmere' (1) (H4)
~ a large and formal yellow flower with neatly
frilled trumpet
'Hambledon' (2) (H4)
~ a strong and vigorous plant, with the corona of
the large lemon-yellow flower becoming a subtle
buff pink
'Hawera' (5) (H4)
~ a vigorous and free-flowering triandrus daffodil
with a number of neatly nodding flowers per stem
'High Society' (2) (H4)
~ lives up to its name; beautiful white flowers with
pink-rimmed yellow corona*
'Highfield Beauty' (8) (H4)
~ tall weather-resistant flowers of strong
constitution and very good pose
'Hoopoe' (8) (H4)
~ durable, yellow and orange flowers produced in
great quantity over a long period
'Ice Follies' (2) (H4)
~ creamy white flowers, frilled and highly ornate;
robust and reliable in all climates; ideal for
naturalising
'Ice Wings' (5) (H4)
~ small clusters of nodding pure white flowers on
9-inch stems; vigorous and reliable*
'Intrigue' (7) (H4)
~ hauntingly luminous yellow flowers, with the
small corona becoming white
'Irish Minstrel' (2) (H4)
~ a big round flower with white petals and
contrasting deep yellow cup; strong and vigorous
'Itzim' (6) (H4)
~ a bright little flower with swept-back petals and
long red trumpet*
'Jack Snipe' (6) (H4)
~ a cyclamineus daffodil with creamy white petals
typically reflexed and the cylindrical corona in
vividly contrasting yellow*
'Jenny' (6) (H4)
~ the white sibling of 'Charity May' and 'Dove
Wings'*
'Jetfire' (6) (H4)
~ a cyclamineus daffodil with orange corona;
vigorous and free-flowering; early season*
jonquilla (13) (H4)
~ jonquil; up to six strongly scented yellow flowers
on a round stem*
'Jumblie' (12) (H4)
~ two to three orange and yellow flowers per stem
with reflexed petals; a small neat plant ideal for
the rock garden*
'Kaydee' (6) (H4)
~ sparkling white reflexed petals and a lightly
flared trumpet of vivid pink*
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'King's Grove' (1) (H4)
~ a bold flower with yellow petals and orange
trumpet; tall and of excellent pose
'Kingscourt' (1) (H4)
~ a mid-yellow trumpet daffodil of classic form
and smoothest texture
'Larkwhistle' (6) (H4)
~ reliable all-yellow cyclamineus daffodil*
'Lemon Drops' (5) (H4)
~ very free flowering, and over a long period
'Lingerie' (4) (H4)
~ a floriferous double daffodil on a strong stem,
holding its head up well; petals of lemon-yellow
and white intermingled
'Little Beauty' (1) (H4)
~ well-named dwarf daffodil with lovely contrast
between the white petals and yellow trumpet
'Little Gem' (1) (H4)
~ a well-formed miniature trumpet daffodil of
great vigour; ideal for the rock garden
'Loch Owskeich' (2) (H4)
~ a sturdy and rather short-stemmed plant, with
robust orange and yellow flowers holding their
colour well in full sun
'Manly' (4) (H4)
~ a large double flower of great impact, standing
up well on a strong stem
'Menehay' (11a) (H4)
~ excellent example in orange and yellow of the
modern split-corona daffodil
'Merlin' (3) (H4)
~ petals of purest white and the brilliant yellow
corona rimmed with true red
'Minnow' (8) (H3)
~ beautifully formed miniature flowers, better for a
milder climate
minor (13) (H4)
~ small yellow trumpet daffodil with forwardfacing petals
'Mission Bells' (5) (H4)
~ several icy-white bell-like flowers per stem; ideal
for smaller gardens*
'Misty Glen' (2) (H4)
~ an impeccably formed white flower enhanced by
the deep green in the eye of the corona
'Mite' (6) (H4)
~ strongly swept-back petals on a light-weight
little flower ideal for the rock garden
moschatus (13) (H4)
~ a creamy white trumpet daffodil of medium size
with forward-facing petals*
'Mount Hood' (1) (H4)
~ a most reliable white trumpet daffodil
'Notre Dame' (2) (H4)
~ floriferous and late-season, with sun-resistant
pink rim
obvallaris (13) (H4)
~ the Tenby daffodil; sturdy yellow trumpet
daffodil of medium size with spreading petals;
early spring flowering*
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Ormeau' (2) (H4)
~ a beautifully smooth flower, greenish yellow and
well proportioned
'Oryx' (7) (H4)
~ three or four perfectly formed light yellow
flowers on each tall stem
'Papua' (4) (H4)
~ a strong all-yellow double daffodil which stands
well in the garden
'Passionale' (2) (H4)
~ a refined daffodil of great vigour, with pastelpink corona
'Peeping Tom' (6) (H4)
~ a deep golden yellow trumpet daffodil, stronggrowing and reliable, with slightly reflexed and
nicely twisted petals
'Pimpernel' (2) (H4)
~ a large flower with yellow petals and a small
corona of sun-resistant orange
'Pinza' (2) (H4)
~ a colourful sun-resistant flower of excellent pose
and great impact
'Pipit' (7) (H4)
~ up to four neatly formed flowers of luminous
lemon-yellow per stem
'Pixie's Sister' (7) (H4)
~ a number of well-formed scented flowers
gracefully held on a short stem; needs dry summer
dormancy
poeticus var. recurvus (13) (H4)
~ pheasant's eye; strongly scented flowers with
pure white reflexed and twisted petals and a short
green or yellow corona with crimson rim;
flowering in late spring
'Precocious' (2) (H4)
~ a distinctive white-petalled flower of great
impact, with frilled corona of startling reddish
pink
pseudonarcissus (13) (H4)
~ Lent lily; medium-size trumpet daffodil with
downward-facing flowers, straw coloured forwardfacing petals and a darker yellow corona with little
flange
'Purbeck' (3) (H4)
~ an immaculately formed flower, with white
petals and a small orange-banded corona
'Quail' (7) (H4)
~ a multi-headed jonquil of deep golden yellow;
vigorous, free-flowering and fragrant*
'Rainbow' (2) (H4)
~ a reliable white flower with a well-defined rim of
salmon pink; good for mass planting
'Rapture' (6) (H4)
~ one of the most perfectly formed of all the golden
yellow daffodils with swept-back petals*
'Red Devon' (2) (H4)
~ a very good orange and yellow flower of
rounded form
'Reggae' (6) (H4)
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~ a dainty pink and white flower with fly-away
petals; very free flowering, with blooms held well
above the foliage*
'Rijnveld's Early Sensation' (1) (H4)
~ earliest to flower of all the larger daffodils; a
strong and robust yellow trumpet withstanding the
winter weather and lasting a long time in the
garden
'Rippling Waters' (5) (H4)
~ several pure white pendulous flowers per stem
'Romance' (2) (H4)
~ a wonderfully strong round flower, with white
petals and deep pink lobed corona
romieuxii (13) (H2-3)
~ pale primrose hoop petticoat flowers on short
stems; flowering in late winter in the alpine house*
'Rugulosus' (7) (H4)
~ a multi-headed and fragrant jonquil; very
vigorous and strong growing; good for cutting
rupicola subsp. marvieri (13) (H2)
~ solitary yellow flowers on short stems; narrow
spreading petals and a conical corona with lobed
rim; for the alpine house*
—subsp. rupicola (13) (H2-3)
~ solitary yellow flowers on short stems, the petals
spreading and usually broad, the corona deeply
lobed; for the alpine house*
'Saint Keverne' (2) (H4)
~ deep golden yellow daffodil; tall, straight and
regimentally formal
'Salome' (2) (H4)
~ very consistent; with the corona opening yellow
and turning to warm pink
'Segovia' (3) (H4)
~ a most attractive little flower in yellow and
white; for the rock garden
'Serena Lodge' (4) (H4)
~ a long-lasting and showy double daffodil
standing on strong stems
'Silent Valley' (1) (H4)
~ a strong plant with plenty of flowers both for
show bench and garden
'Sir Winston Churchill' (4) (H4)
~ several scented double flowers per stem in
orange and white
'Special Envoy' (2) (H4)
~ a sturdy and reliable all-yellow daffodil
'Spellbinder' (1) (H4)
~ an entrancing sulphur-yellow flower, with the
trumpet turning white at maturity
'Sun Disc' (7) (H4)
~ flowers like gleaming little gold discs; ideal for
the rock garden*
'Surfside' (6) (H4)
~ an imposing yellow and white flower with
beautifully reflexed petals
'Suzy' (7) (H4)
~ several fragrant yellow flowers per stem, with
small coronas of bright orange
'Sweetness' (7) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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~ wonderfully fragrant flowers shining like golden
stars*
'Swift Arrow' (6) (H4)
~ flower well named for its fly-away golden yellow
petals and long trumpet*
'Tahiti' (4) (H4)
~ sturdy and prolific double daffodil with neat
orange and yellow flowers
'Tamar Fire' (4) (H4)
~ one of the brightest double daffodils in its colour
range; standing well in the garden
'Tête-à-tête' (12) (H4)
~ a magnificent free-flowering little daffodil for
pots, rock garden or naturalising*
'Topolino' (1) (H4)
~ a very reliable plant for the rockery, with creamy
white petals and a brightly contrasted yellow
trumpet*
'Toto' (12) (H4)
~ a graceful flower, with the narrow corona
opening yellow and becoming white; of excellent
increase
'Tracey' (6) (H4)
~ a charming little white daffodil with swept-back
petals
'Trena' (6) (H4)
~ classic form combined with a wonderful contrast
between white petals and yellow trumpet make this
a much coveted variety*
'Trevithian' (7) (H4)
~ two to three soft yellow fragrant flowers per stem
triandrus (13) (H3)
~ Angel's tears; two to six small white pendent
flowers per stem, with sharply reflexed petals;
flowering on acid soil*
'Tripartite' (11a) (H4)
~ several small mid-yellow flowers per stem with
the corona neatly split; exceptionally free
flowering and vigorous*
'Triple Crown' (3) (H4)
~ a golden yellow flower with deep red rim; free
flowering and quick to increase
'Tuesday's Child' (5) (H4)
~ one to three yellow and white weather-resistant
flowers per stem, standing up well in the flower
border
'Tyrone Gold' (1) (H4)
~ large deep golden trumpet daffodil; a strong
plant with 'look you in the eye' pose
'Ulster Prince' (1) (H4)
~ a golden yellow flower with large pointed petals
and bold trumpet
'Unique' (4) (H4)
~ a robust double flower holding its colour well
and flowering fairly early in the season
'Vernal Prince' (3) (H4)
~ a vigorous and beautiful daffodil, with smooth
white petals and deep greenish-lemon cup
'Verona' (3) (H4)
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~ completely round, all-white flower with a small
disc-like corona
'Vigil' (1) (H4)
~ a strong and vigorous trumpet daffodil of
distinctvely angular form in icy white
'Viking' (1) (H4)
~ a trumpet daffodil of beautiful form in deep
golden yellow
'Vulcan' (2) (H4)
~ a tall flower with sun-resistant bright orange
corona
'Wheal Coates' (7) (H4)
~ a distinctive orange and yellow flower with a
very long flowering season
'White Lion' (4) (H4)
~ a many-petalled double daffodil of nice form,
well posed on a strong stem
'Willy Dunlop' (2) (H4)
~ a flower of great size and substance with a good
contrast between pure white petals and deep
yellow corona
'Yellow Cheerfulness' (4) (H4)
~ an all-yellow sport of 'Cheerfulness', with the
same admirable attributes
Nematanthus (Gesneriaceae)
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gregarius (H1)
~ min. 15C
'Tropicana' (H1)
~ min. 10C
Nemesia (Scrophulariaceae)
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BLUE CLOUD = 'Penblu' (H3)
~ previously listed as N. 'Blue Cloud'
caerulea 'Sea Mist' (H3)
denticulata (H3-4)
'Fleurie Bluebird' (H3)
~ distinct from N. BLUEBIRD = 'Hubbird'
'Innocence' (H3)
MELANIE = 'Fleuron' (PBR) (H3)
Neohenricia (Aizoaceae)
93
sibbettii (H1)
~ min. 2-10C
Neoporteria (Cactaceae)
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multicolor (H1)
~ min. 2-10C
napina f. mitis (H1)
~ min. 2-10C
paucicostata (H1)
~ min. 2-10C
wagenknechtii (H1)
~ min. 2-10C
Neoregelia (Bromeliaceae)
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carolinae f. tricolor (v) (H1)
~ min. 10C
marmorata (H1)
~ min. 10C
spectabilis (H1)
~ min. 10C
Nepeta (Lamiaceae)
02
47
× faassenii (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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racemosa (H4)
93
Nephrolepis (Oleandraceae)
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02
02
02
Oenothera (Onagraceae)
exaltata (H2)
—'Elegantissima' (H1)
~ min. 5C
—'Fluffy Ruffles' (H1)
~ min. 5C
—'Hillii' (H1)
~ min. 5C
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93
oleander 'Variegatum' (v) (H1+3)
~ min. 5C
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fulgens (H1)
~ min. 15C
93
linariifolia (H1)
~ min. 2C; awarded as N. caerulea
93
damascena 'Miss Jekyll' (H4)
—'Miss Jekyll Alba' (H4)
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recurvata (H1)
~ min. 2C
02
93
variegata (v) (H1)
~ min. 2C
Oreocereus (Cactaceae)
apricus (H1)
~ min. 2-10C
crassigibbus (H1)
~ min. 2-10C
magnificus (H1)
~ min. 2-10C
mammulosus (H1)
~ min. 2-10C
scopa (H1)
~ min. 2-10C
uebelmannianus (H1)
~ min. 2-10C
93
hendriksenianus var. densilanatus (H1)
~ min. 2-10C
Origanum (Lamiaceae)
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amanum (H2-3)
laevigatum (H3)
—'Herrenhausen' (H4)
rotundifolium (H4)
vulgare 'Aureum' (H4)
Ornithogalum (Hyacinthaceae)
02
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02
'Escarboucle' (H) (H4)
'Gladstoneana' (H) (H4)
'Gonnère' (H) (H4)
'James Brydon' (H) (H4)
'Marliacea Chromatella' (H) (H4)
'Pygmaea Helvola' (H) (H4)
dubium (H1)
~ min.5C
nutans (H4)
thyrsoides (H1)
~ min.5C
Oscularia (Aizoaceae)
02
deltoides (H1-2)
~ min. 2C
Osmanthus (Oleaceae)
93
93
93
Nyssa (Cornaceae)
93
microdasys 'Albata' (H1)
~ min. 2-10C
rufida (H1)
~ min.2C
Orbea (Asclepiadaceae)
phyllanthoides (H1)
~ min. 2-10C
Nymphaea (Nymphaeaceae)
93
93
93
93
93
93
africanus 'Variegatus' (v) (H1)
~ min. 10C
Opuntia (Cactaceae)
Notocactus (Cactaceae)
93
planiscapus 'Nigrescens' (H4)
~ also valued as a pot plant under glass
Oplismenus (Poaceae)
Nopalxochia (Cactaceae)
93
taurica (H4)
Ophiopogon (Convallariaceae)
Nolina (Dracaenaceae)
93
nervosum (H4)
Onosma (Boraginaceae)
Nigella (Ranunculaceae)
93
93
sensibilis (H4)
Onopordum (Asteraceae)
Nierembergia (Solanaceae)
93
cappadocica (H4)
—'Cherry Ingram' (H4)
linifolia (H4)
Onoclea (Woodsiaceae)
Domino Series (H3)
langsdorffii (H3)
'Lime Green' (H3)
sylvestris (H3)
Nidularium (Bromeliaceae)
02
douglasii (H4)
Omphalodes (Boraginaceae)
Nicotiana (Solanaceae)
93
93
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93
macrodonta (H3)
× mollis (Kirk) Cockayne 'Zennorensis' (H3)
~ valued in particular for its foliage effect
× scilloniensis Dorrien-Smith (H3)
Olsynium (Iridaceae)
bowdenii (H3-4)
sarniensis (H2-3)
'Zeal Giant' (H3-4)
Nerium (Apocynaceae)
02
fruticosa 'Fyrverkeri' (H4)
—subsp. glauca (H4)
macrocarpa (H4)
Olearia (Asteraceae)
Nerine (Amaryllidaceae)
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sylvatica (H4)
sinensis (H4)
48
× burkwoodii (H4)
delavayi (H4)
heterophyllus 'Gulftide' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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—'Variegatus' (v) (H4)
93
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93
93
93
93
Osmunda (Osmundaceae)
97
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97
cinnamomea (H4)
claytoniana (H4)
regalis (H4)
—'Cristata' (H4)
Osteospermum (Asteraceae)
93
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93
95
95
95
95
93
93
95
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93
'Buttermilk' (H1+3)
~ min. 2C
'Hopleys' (H3-4)
jucundum (H3-4)
—'Blackthorn Seedling' (H3-4)
—'Langtrees' (H3-4)
—'Merriments Joy' (H3-4)
'Lady Leitrim' (H3-4)
'Pink Whirls' (H1+3)
~ min. 2C
'Silver Sparkler' (v) (H1+3)
~ min. 2C
'Weetwood' (H3-4)
'Whirlygig' (H1+3)
~ min. 2C
'White Pim' (H3-4)
Pandanus (Pandanaceae)
93
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93
02
93
02
97
93
93
93
97
97
97
97
'Snowflake' (H4)
adenophylla (H4)
enneaphylla (H4)
'Ione Hecker' (H4)
triangularis subsp. papilionacea (H1)
~ min. 2C
versicolor (H1)
~ min. 2C
97
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93
02
93
02
93
coralloides (H2-3)
ledifolius (H4)
rosmarinifolius 'Silver Jubilee' (H3)
93
geayi (H1)
~ min. 10C; shrubby
lamerei (H1)
~ min. 10C; shrubby
93
africanus (H2)
Parodia (Cactaceae)
93
terminalis 'Green Carpet' (H4)
—'Variegata' (v) (H4)
93
lutea (H1)
~ min. 10C
93
Paeonia (Paeoniaceae)
93
93
93
93
02
93
93
93
93
93
93
lophantha (H1)
~ min. 2C
Parochetus (Papilionaceae)
Pachystachys (Acanthaceae)
93
catarractae 'Delight' (H3)
lyallii 'Julie-Anne' (H3)
perfoliata (H3-4)
Paraserianthes (Mimosaceae)
Pachysandra (Buxaceae)
02
93
liliastrum (H4)
Parahebe (Scrophulariaceae)
Pachypodium (Apocynaceae)
02
commutatum (H4)
—'Ladybird' (H4)
orientale 'Aglaja' (H4)
—'Black and White' (H4)
—var. bracteatum (H4)
—'Cedric Morris' (H4)
—'Effendi' (H4)
—'John III' (H4)
—'Karine' (H4)
—'Khedive' (H4)
~ re-confirmed 2001 under trial
—'Leuchtfeuer' (H4)
—'Lighthouse' (H4)
Paradisea (Asphodelaceae)
Ozothamnus (Asteraceae)
93
93
93
jasminoides 'Rosea Superba' (H1)
~ min. 10C
Papaver (Papaveraceae)
Oxalis (Oxalidaceae)
93
93
93
02
tectorius 'Laevis' (H1)
~ min. 10C
—'Veitchii' (H1)
~ min. 10C
Pandorea (Bignoniaceae)
Ourisia (Scrophulariaceae)
93
—'Sarah Bernhardt' (H4)
—'Whitleyi Major' (H4)
mlokosewitschii (H4)
obovata (H4)
—var. alba (H4)
officinalis 'Anemoniflora Rosea' (H4)
—'Rosea Plena' (H4)
—'Rubra Plena' (H4)
peregrina 'Otto Froebel' (H4)
93
cambessedesii (H2-3)
delavayi (S) (H4)
—var. ludlowii (S) (H4)
lactiflora 'Bowl of Beauty' (H4)
—'Cheddar Gold' (H4)
—'Duchesse de Nemours' (H4)
—'Félix Crousse' (H4)
—'Festiva Maxima' (H4)
—'Lady Alexandra Duff' (H4)
—'Laura Dessert' (H4)
—'Monsieur Jules Elie' (H4)
mairanana (H1)
~ min. 2-10C
penicillata (H1)
~ min. 2-10C
schwebsiana (H1)
~ min. 2-10C
subterranea (H1)
~ min. 2-10C
Parrotia (Hamamelidaceae)
93
persica (H4)
Parthenocissus (Vitaceae)
93
93
93
henryana (H4)
quinquefolia (H4)
tricuspidata (H4)
Passiflora (Passifloraceae)
93
49
alata (F) (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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93
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~ min. 10C
'Amethyst' (H1)
~ min. 2C; not P. amethystina Mikan, though has
been distributed under the name
antioquiensis Karst (H2)
caerulea (H3)
× exoniensis (H1)
~ min. 2C
'Incense' (F) (H1)
~ min. 2C
mollissima (F) (H1)
~ min. 2C
quadrangularis L. (F) (H1)
~ min. 10C
racemosa (H2)
'Star of Bristol' (H2)
× violacea (H1)
~ min. 2C
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02
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Paulownia (Scrophulariaceae)
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tomentosa (H3)
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Pavonia (Malvaceae)
02
multiflora Jussieu (H1)
~ min. 15C
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Pedilanthus (Euphorbiaceae)
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tithymaloides 'Variegatus' (v) (H1)
~ min. 5C; shrubby
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Pelargonium (Geraniaceae)
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'Alice Crousse' (I/d) (H1+3)
~ min. 2C
AMETHYST = 'Fisdel' (PBR) (I/d) (H1+3)
~ min. 2C
'Ann Hoystead' (R) (H1+3)
~ min. 2C
ANTIK ORANGE = 'Tikorg' (PBR) (Antik Series)
(Z) (H1+3)
~ min. 2C; single; recommended for cultivation
under glass
'Apache' (Z/d) (H1+3)
~ min. 2C
'Apple Blossom Rosebud' (Z/d) (H1+3)
~ min. 2C
'Ashfield Monarch' (Z/d) (H1+3)
~ min. 2C
'Ashfield Serenade' (Z) (H1+3)
~ min. 2C
'Askham Fringed Aztec' (R) (H1+3)
~ min. 2C
'Attar of Roses' (Sc) (H1+3)
~ min. 2C
'Aztec' (R) (H1+3)
~ min. 2C
'Belinda Adams' (Min/d) (H1+3)
~ min. 2C
BELLINZONA = 'Klebelli' (PBR) (Z) (H1+3)
~ min. 2C; single
'Ben Franklin' (Z/d/v) (H1+3)
~ min. 2C
'Bird Dancer' (Dw/St) (H1+3)
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~ min. 2C
'Black Magic Rose' (Z) (H1+3)
~ min. 2C
'Black Magic Scarlet' (H1+3)
~ min. 2C
'Bodey's Picotee' (R) (H1+3)
~ min. 2C
'Bolero' (U) (H1+3)
~ min. 2C
'Brackenwood' (Dw/d) (H1+3)
~ min. 2C
'Bredon' (R) (H1+3)
~ min. 2C
'Bridal Veil' (Min/C) (H1+3)
~ min. 2C
'Bushfire' (R) (H1+3)
~ min. 2C
'Cardinalis' (Z) (H1+3)
~ min. 2C; single
'Cariboo Gold' (Min/C) (H1+3)
~ min. 2C
'Carisbrooke' (R) (H1+3)
~ min. 2C
'Catford Belle' (A) (H1+3)
~ min. 2C
'Charity' (Sc) (H1+3)
'Chelsea Gem' (Z/d/v) (H1+3)
~ min. 2C
'Citriodorum' (Sc) (H1+3)
'Claire' (Z) (H1+3)
~ min. 2C; single; recommended for cultivation
under glass
'Copthorne' (U/Sc) (H1+3)
~ min. 2C
'Corsair' (Z/d) (H1+3)
~ min. 2C
'Crimson Unique' (U) (H1+3)
~ min. 2C
crispum 'Variegatum' (Sc/v) (H1+3)
~ min. 2C
'Dame Anna Neagle' (Dw/d) (H1+3)
~ min. 2C
'Darmsden' (A) (H1+3)
~ min. 2C
'Dolly Varden' (Z/v) (H1+3)
~ min. 2C
'Earl of Chester' (Min/d) (H1+3)
~ min. 2C
'Eileen Postle' (R) (H1+3)
~ min. 2C
'Fantasia' white (Dw/d) (H1+3)
~ min. 2C
'Fareham' (R) (H1+3)
~ min. 2C
'Flakey' (I/d/v) (H1+3)
~ min. 2C; valued especially for its foliage effect
'Flamenca' (Z) (H1+3)
~ single
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Flower of Spring' (Z/v) (H1+3)
~ min. 2C
'Francis Parrett' (Min/d) (H1+3)
~ min. 2C
'Frank Headley' (Z/v) (H1+3)
~ min. 2C
'Fringed Aztec' (R) (H1+3)
~ min. 2C
'Galilee' (I/d) (H1+3)
~ min. 2C
'Galway Star' (Sc/v) (H1+3)
~ min. 2C
'Gemma Jewel' (R) (H1+3)
~ min. 2C
'Gemstone' (Sc) (H1+3)
~ min. 2C
'Georgina Blythe' (R) (H1+3)
~ min. 2C
'Golden Harry Hieover' (Z/C) (H1+3)
~ min. 2C; suitable for bedding
'Grace Thomas' (Sc) (H1+3)
~ min. 2C
'Grenadier' (Z/St/d) (H1+3)
~ min. 2C
'Happy Thought' (Z/v) (H1+3)
~ min. 2C
'Hope Valley' (Dw/C/d) (H1+3)
~ min. 2C
INGRES = 'Guicerdan' (PBR) (I/d) (H1+3)
~ min. 2C
'Irene' (Z/d) (H1+3)
~ min. 2C
'Irene Cal' (Z/d) (H1+3)
~ min. 2C
'Irene Toyon' (Z) (H1+3)
~ min. 2C
'Isidel' (I/d) (H1+3)
~ min. 2C
'Joy' (R) (H1+3)
~ min. 2C
'Julia' (R) (H1+3)
~ min. 2C
'Juve' (Z) (H1+3)
~ min. 2C; single
'Kettlebaston' (A) (H1+3)
~ min. 2C
'La France' (I/d) (H1+3)
~ min. 2C
'Lady Plymouth' (Sc/v) (H1+3)
~ min. 2C
'Lara Candy Dancer' (Sc) (H1+3)
'Lara Maid' (A) (H1+3)
~ min. 2C
'Lara Starshine' (Sc) (H1+3)
~ min. 2C
'Lavender Grand Slam' (R) (H1+3)
~ min. 2C
'L'Elégante' (I/v) (H1+3)
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02
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02
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~ min. 2C; valued especially for its foliage effect
'Little Alice' (Dw/d) (H1+3)
~ min. 2C
'Lord Bute' (R) (H1+3)
~ min. 2C
'Mabel Grey' (Sc) (H1+3)
~ min. 2C
'Madame Crousse' (I/d) (H1+3)
~ min. 2C
'Madame Salleron' (Min/v) (H1+3)
~ min. 2C
'Margaret Soley' (R) (H1+3)
~ min. 2C
'Maverick Scarlet' (H1+3)
~ min. 2C
'Morval' (Dw/C/d) (H1+3)
~ min. 2C
'Moulin Rouge' (H1+3)
~ min. 2C
'Mr Henry Cox' (Z/v) (H1+3)
~ min. 2C
'Mrs J.C. Mappin' (Z/v) (H1+3)
~ min. 2C
'Mrs Quilter' (Z/C) (H1+3)
~ min. 2C; suitable for bedding
Multibloom Series (Z) (H1+3)
~ sold as a mixture
'Mystery' (U) (H1+3)
~ min. 2C
'Nervous Mabel' (Sc) (H1+3)
~ min. 2C
'Orange Appeal' (H1+3)
~ min. 2C
'Orsett' (Sc) (H1+3)
~ min. 2C
'Paton's Unique' (U/Sc) (H1+3)
~ min. 2C
'Pavilion' (Min) (H1+3)
~ min. 2C
'Peter's Luck' (Sc) (H1+3)
~ min. 2C
'Princeanum' (Sc) (H1+3)
~ min. 2C
'Pulsar Deep Rose' (H1+3)
~ min. 2C
'Radula' (Sc) (H1+3)
~ min. 2C
'Red Cascade' (I) (H1+3)
~ min. 2C
'Renee Ross' (I/d) (H1+3)
~ min. 2C
'Rodomont' (I) (H1+3)
~ min. 2C
'Roi des Balcons Impérial' (I) (H1+3)
~ min. 2C
'Roi des Balcons Lilas' (I) (H1+3)
~ min. 2C
'Roller's Satinique' (U) (H1+3)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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02
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~ min. 2C
~ min. 2C
ROSAIS (I/d) (H1+3)
~ min. 2C
'Rosita' (Dw/d) (H1+3)
~ min. 2C
'Royal Oak' (Sc) (H1+3)
~ min. 2C
'Royal Princess' (R) (H1+3)
~ min. 2C
'Sancho Panza' (Dec) (H1+3)
~ min. 2C
'Sefton' (R) (H1+3)
~ min. 2C
'Sensation Scarlet' (H1+3)
~ min. 2C
SOLIDOR (I/d) (H1+3)
~ min. 2C
'South American Bronze' (R) (H1+3)
~ min. 2C
'Spanish Angel' (A) (H1+3)
~ min. 2C
'Splendour' (R) (H1+3)
~ min. 2C
'Starlight Magic' (A) (H1+3)
~ min. 2C
'Sweet Mimosa' (Sc) (H1+3)
~ min. 2C
'The Barle' (A) (H1+3)
~ min. 2C
'The Boar' (Fr) (H1+3)
~ min. 2C
'The Tone' (A) (H1+3)
~ min. 2C
'Tip Top Duet' (A) (H1+3)
~ min. 2C
tomentosum (Sc) (H1+3)
~ min. 2C
'United' (Z) (H1+3)
~ min. 2C; single
'Vancouver Centennial' (Dw/St/C) (H1+3)
~ min. 2C
'Variegated Madame Layal' (A/v) (H1+3)
~ min. 2C
'Velvet Duet' (A) (H1+3)
~ min. 2C
Video Series (Dw) (H1+3)
~ sold as a mixture
'Vogue Carmine Red' (H1+3)
~ min. 2C
'Vogue Red' (H1+3)
~ min. 2C
'Voodoo' (U) (H1+3)
~ min. 2C
'Wayward Angel' (A) (H1+3)
~ min. 2C
'White Glory' (R) (H1+3)
~ min. 2C
'Yale' (I/d) (H1+3)
Pellaea (Adiantaceae)
93
rotundifolia (H2)
Pennisetum (Poaceae)
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02
orientale (H3)
setaceum (H3)
~ annual grass for drying; awarded as P. rueppelii
villosum (H3)
Penstemon (Scrophulariaceae)
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02
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'Alice Hindley' (H3)
'Andenken an Friedrich Hahn' (H4)
'Apple Blossom' (H3-4)
'Beech Park' (H3)
'Cherry' (H3)
~ previously listed as P. 'Cherry Ripe' misapplied
'Chester Scarlet' (H3)
'Connie's Pink' (H3)
davidsonii var. menziesii (H4)
'Evelyn' (H4)
fruticosus var. scouleri (H4)
——f. albus (H4)
'George Home' (H3)
hartwegii (H3-4)
heterophyllus 'Catherine de la Mare' (H4)
'Hewell Pink Bedder' (H3)
'Hidcote Pink' (H3-4)
isophyllus (H3-4)
'Margery Fish' (H3)
'Maurice Gibbs' (H3)
newberryi (H4)
'Osprey' (H3)
'Pennington Gem' (H3)
pinifolius (H4)
—'Wisley Flame' (H4)
'Port Wine' (H3)
procerus 'Roy Davidson' (H4)
'Raven' (H3)
'Rubicundus' (H3)
rupicola (H4)
'Schoenholzeri' (H4)
'Sour Grapes' (H3-4)
'Stapleford Gem' (H3)
'White Bedder' (H3)
Peperomia (Piperaceae)
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02
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02
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argyreia (H1)
~ min. 10C
caperata 'Emerald Ripple' (H1)
~ min. 10C
—'Little Fantasy' (H1)
~ min. 10C
—'Luna Red' (H1)
~ min. 15C
—'Variegata' (v) (H1)
~ min. 10C
griseoargentea (H1)
~ min. 15C
obtusifolia (H1)
~ min. 10C
—(Magnoliifolia Group) 'USA' (H1)
~ min. 15C
scandens (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
02
~ min. 10C
velutina (H1)
~ min. 15C
Philodendron (Araceae)
93
Perilla (Lamiaceae)
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frutescens var. crispa (H2)
Perovskia (Lamiaceae)
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'Blue Spire' (H4)
~ reconfirmed after trial 2001
93
Persicaria (Polygonaceae)
93
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affinis 'Darjeeling Red' (H4)
—'Donald Lowndes' (H4)
—'Superba' (H4)
amplexicaulis 'Firetail' (H4)
bistorta 'Superba' (H4)
vacciniifolia (H4)
Phlomis (Lamiaceae)
93
93
02
93
Petrorhagia (Caryophyllaceae)
93
02
02
02
02
02
02
02
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02
02
02
02
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02
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CASCADIAS YELLOW EYE = 'Dancasye' (PBR)
(Cascadias Series) (H3)
'Charlie's Angels Champagne' (Charlie's Angels
Series) (H3)
'Charlie's Angels Charlie' (Charlie's Angels
Series) (H3)
CONCHITA BLUEBERRY FROST = 'Conblue'
(Conchita Series) (H3)
CONCHITA CRANBERRY FROST = 'Concran'
(Conchita Series) (H3)
CONCHITA EVENING GLOW = 'Conglow'
(Conchita Series) (H3)
CONCHITA STRAWBERRY FROST = 'Constraw'
(Conchita Series) (H3)
Duo Series (H3)
~ sold as a mixture
× hybrida Carpet Series (H3)
~ sold as a mixture
—Mirage Series (H3)
~ sold as a mixture
—'Storm Lavender' (H3)
~ Grandiflora type, grown from seed
—'Storm Pink' (H3)
~ Grandiflora type, grown from seed
—'Storm Salmon' (H3)
~ Grandiflora type, grown from seed
'Petitunia Happy Dream' (Petitunia Series) (H3)
SURFINIA PINK VEIN = 'Suntosol' (PBR) (H3)
SURFINIA PURPLE = 'Shihi Brilliant' (H3)
SURFINIA PURPLE VEIN = 'Sunpurve' (PBR) (H3)
SURFINIA SKY BLUE = 'Keilavbu' (PBR) (H3)
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02
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02
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Phalaris (Poaceae)
93
arundinacea var. picta 'Picta' (v) (H4)
~ can be invasive
adsurgens (H4)
carolina 'Bill Baker' (H4)
—'Miss Lingard' (H4)
divaricata (H4)
—subsp. laphamii 'Chattahoochee' (H4)
douglasii 'Boothman's Variety' (H4)
—'Crackerjack' (H4)
—'Iceberg' (H4)
—'Red Admiral' (H4)
drummondii Buttons Series (H3)
~ sold as a mixture
—'Phlox of Sheep' (H3)
'Kelly's Eye' (H4)
maculata 'Alpha' (H4)
—'Omega' (H4)
—'Princess Sturdza' (H4)
paniculata 'Alba Grandiflora' (H4)
—'Albert Leo Schlageter' (H4)
—'Blue Ice' (H4)
—'Brigadier' (H4)
—'Bright Eyes' (H4)
—'Dodo Hanbury-Forbes' (H4)
—'Eventide' (H4)
—'Le Mahdi' (H4)
—'Mother of Pearl' (H4)
—'Mount Fuji' (H4)
~ previously listed as P. paniculata 'Fujiyama'
—'Prince of Orange' (H4)
—'Prospero' (H4)
—'Starfire' (H4)
—'White Admiral' (H4)
—'Windsor' (H4)
× procumbens 'Millstream' (H4)
stolonifera 'Blue Ridge' (H4)
subulata 'McDaniel's Cushion' (H4)
—'Red Wings' (H4)
Phoenix (Arecaceae)
Philadelphus (Hydrangeaceae)
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chrysophylla (H3)
fruticosa (H4)
lanata (H3-4)
russeliana (H4)
Phlox (Polemoniaceae)
saxifraga (H4)
Petunia (Solanaceae)
02
angustisectum (H1)
~ min. 15C
bipinnatifidum (H1)
~ min. 10C
erubescens (H1)
~ min. 15C
—'Burgundy' (H1)
~ min. 15C
scandens (H1)
~ min. 10C
93
'Beauclerk' (H4)
'Belle Etoile' (H4)
coronarius 'Aureus' (H4)
—'Variegatus' (v) (H4)
'Manteau d'Hermine' (d) (H4)
'Sybille' (H4)
93
canariensis (H1+3)
~ min. 2C
roebelenii (H1+3)
~ min. 10C
Phormium (Phormiaceae)
93
53
cookianum subsp. hookeri 'Cream Delight' (v)
(H3-4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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——'Tricolor' (H3-4)
'Duet' (v) (H3)
'Sundowner' (v) (H3)
tenax (H4)
—Purpureum Group (H3-4)
—'Variegatum' (v) (H3-4)
'Yellow Wave' (v) (H3)
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Photinia (Rosaceae)
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× fraseri 'Red Robin' (H4)
villosa (H4)
Phygelius (Scrophulariaceae)
02
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aequalis 'Trewidden Pink' (H4)
—'Yellow Trumpet' (H3-4)
capensis (H3)
~ including plants sold as P. capensis coccineus
× rectus 'African Queen' (H3-4)
—'Devil's Tears' (H4)
—'Salmon Leap' (H4)
Pilea (Urticaceae)
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× Phylliopsis (Ericaceae)
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93
'Coppelia' (H4)
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Phyllodoce (Ericaceae)
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caerulea (H4)
nipponica (H4)
93
Phyllostachys (Poaceae)
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02
02
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02
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93
alkekengi (H4)
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opulifolius 'Dart's Gold' (H4)
—'Diabolo' (PBR) (H4)
Physoplexis (Campanulaceae)
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93
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comosa (H2-3)
Physostegia (Lamiaceae)
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virginiana 'Summer Snow' (H4)
—'Vivid' (H4)
Picea (Pinaceae)
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93
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98
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93
93
93
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abies 'Little Gem' (H4)
—'Nidiformis' (H4)
breweriana (H4)
glauca 'Echiniformis' (H4)
mariana 'Nana' (H4)
omorika (H4)
—'Nana' (H4)
—'Pendula' (H4)
orientalis (H4)
—'Aurea' (v) (H4)
pungens 'Globosa' (H4)
—'Hoopsii' (H4)
—'Koster' (H4)
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coulteri (H4)
heldreichii (H4)
~ previously listed as P. heldreichii var.
leucodermis
—'Smidtii' (H4)
jeffreyi (H4)
mugo 'Mops' (H4)
—Pumilio Group (H4)
~ previously listed as P. mugo var. pumilio
muricata (H4)
nigra (H4)
—subsp. laricio (H4)
parviflora 'Adcock's Dwarf' (H4)
patula (H2-3)
pinaster (H4)
pinea (H4)
ponderosa (H4)
pumila 'Glauca' (H4)
radiata (H3-4)
sylvestris (H4)
—Aurea Group (H4)
~ previously listed as P. sylvestris 'Aurea'
—'Beuvronensis' (H4)
wallichiana (H4)
Pittosporum (Pittosporaceae)
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Pieris (Ericaceae)
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viburnoides (H4)
Pinus (Pinaceae)
Physocarpus (Rosaceae)
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cadierei (H1)
~ min. 10C
—'Minima' (H1)
~ min. 10C
involucrata 'Moon Valley' (H1)
~ min. 15C
—'Norfolk' (H1)
~ min. 15C
peperomioides (H1)
~ min. 10C
Pileostegia (Hydrangeaceae)
aurea (H4)
aureosulcata f. aureocaulis (H4)
—f. spectabilis (H4)
nigra (H4)
—f. henonis (H4)
vivax f. aureocaulis (H4)
Physalis (Solanaceae)
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—'Cavatine' (H4)
—'Debutante' (H4)
—'Grayswood' (H4)
—'Little Heath' (v) (H4)
—'Little Heath Green' (H4)
—'Mountain Fire' (H4)
—'Pink Delight' (H4)
—'Prelude' (H4)
—'Purity' (H4)
—'Sarabande' (H4)
—'Valley Valentine' (H4)
—'White Rim' (v) (H4)
~ often confused with 'Variegata' in the trade
'Firecrest' (H4)
'Flaming Silver' (v) (H4)
'Forest Flame' (H4)
formosa var. forrestii 'Wakehurst' (H3)
japonica 'Blush' (H4)
54
eugenioides 'Variegatum' (v) (H3)
'Garnettii' (v) (H3)
tenuifolium (H3)
—'Irene Paterson' (m/v) (H3)
—'Silver Queen' (f/v) (H3)
—'Tom Thumb' (H3)
—'Warnham Gold' (m) (H3)
tobira (H3)
—'Variegatum' (v) (H2-3)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Platanus (Platanaceae)
93
93
02
Polianthes (Agavaceae)
× hispanica (H4)
orientalis (H4)
—f. digitata (H4)
93
Poliothyrsis (Flacourtiaceae)
02
Platycerium (Polypodiaceae)
93
93
93
93
bifurcatum (H1)
~ min. 15C
superbum (H1)
~ min. 15C; awarded as P. grande hort.
veitchii (H1)
~ min. 10C
93
93
93
93
93
02
93
02
orientalis 'Aurea Nana' (H4)
~ previously listed as Thuja orientalis 'Aurea
Nana'
—'Elegantissima' (H4)
~ previously listed as Thuja orientalis
'Elegantissima'
93
97
97
97
97
97
grandiflorus (H4)
—'Apoyama' (H4)
—'Mariesii' (H4)
02
02
auricomus (v) (H4)
variegatus (v) (H4)
02
Pleione (Orchidaceae)
93
93
93
93
02
02
93
97
97
93
97
97
bolusii (H1)
~ min. 2-10C
compactus (H1)
~ min. 2C
nelii (H1)
~ min. 2C
97
97
02
93
93
auriculata (H1-2)
—var. alba (H1-2)
~ min. 5C
indica (H1)
~ min. 15C
93
93
93
93
93
93
salignus (H3)
02
02
02
02
02
Polemonium (Polemoniaceae)
02
93
'Balsam Spire' (f) (H4)
~ also grown as P. 'TT32'
× canadensis 'Aurea' (H4)
lasiocarpa (H4)
nigra 'Italica' (m) (H4)
~ awarded as P. nigra var. italica
tremula (H4)
Potentilla (Rosaceae)
rubra (H1)
~ min. 10C
Podocarpus (Podocarpaceae)
93
cordata (H4)
Populus (Salicaceae)
Plumeria (Apocynaceae)
02
aculeatum (H4)
munitum (H4)
polyblepharum (H4)
setiferum (H4)
—'Divisilobum Densum' (H4)
—'Divisilobum Iveryanum' (H4)
~ not available spore grown
—'Pulcherrimum Bevis' (H4)
tsussimense (H4)
Pontederia (Pontederiaceae)
Plumbago (Plumbaginaceae)
93
02
guilfoylei (H1)
~ min. 15C
—'Victoriae' (H1)
~ min. 15C
scutellaria 'Marginata' (H1)
~ min. 15C
Polystichum (Dryopteridaceae)
formosana (H2)
limprichtii (H2)
~ previously listed as P. bulbocodioides
Limprichtii Group
Shantung g. 'Muriel Harberd' (H2)
Versailles g. 'Bucklebury' (H2)
Pleiospilos (Aizoaceae)
93
aureum (H1)
~ min. 10C.
cambricum 'Cambricum' (H4)
—(Cristatum Group) 'Grandiceps Fox' (H4)
—'Whilharris' (H4)
glycyrrhiza 'Longicaudatum' (H4)
interjectum 'Cornubiense' (H4)
Polyscias (Araliaceae)
argentatus (H2)
oertendahlii (H1)
~ min. 2C
Pleioblastus (Poaceae)
93
93
× hybridum (H4)
odoratum (H4)
—'Flore Pleno' (d) (H4)
—var. pluriflorum 'Variegatum' (v) (H4)
Polypodium (Polypodiaceae)
Plectranthus (Lamiaceae)
98
93
calcarea 'Lillet' (H4)
chamaebuxus (H4)
—var. grandiflora (H4)
× dalmaisiana (H1)
~ min. 2C
Polygonatum (Convallariaceae)
Platycodon (Campanulaceae)
93
93
93
sinensis (H4)
Polygala (Polygalaceae)
Platycladus (Cupressaceae)
93
tuberosa (H1-2)
archibaldiae (H4)
'Lambrook Mauve' (H4)
55
cuneata (H4)
fruticosa 'Abbotswood' (H4)
~ reconfirmed after trial 2001
—'Chelsea Star' (H4)
—'Groneland' (H4)
—'Hopleys Orange' (H4)
—'Jackman's Variety' (H4)
—'King Cup' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
02
02
02
02
02
93
02
02
93
93
93
93
93
—'Limelight' (H4)
—MARIAN RED ROBIN = 'Marrob' (PBR) (H4)
—'Medicine Wheel Mountain' (H4)
—'Penny White' (H4)
—'Pink Beauty' (PBR) (H4)
~ awarded as Potentilla fruticosa LOVELY PINK
'Pink Beauty'
—'Primrose Beauty' (H4)
~ reconfirmed after trial 2001
—'Sommerflor' (H4)
—'Yellow Bird' (H4)
'Gibson's Scarlet' (H4)
megalantha (H4)
nepalensis 'Miss Willmott' (H4)
× tonguei (H4)
'William Rollison' (H4)
93
98
98
98
93
93
93
93
97
97
Primula (Primulaceae)
02
02
93
98
93
02
93
02
97
97
97
97
93
93
02
93
93
93
93
93
02
93
02
02
93
93
93
98
allionii (2) (H2)
alpicola (26) (H4)
auricula L. (2) (H4)
Barnhaven Blues Group (Prim)(30) (H4)
~ a hardy overwintering type; from seed in the
open ground
bulleyana (4) (H4)
Charisma Series (Prim) (H1)
~ sold as a mixture; for pot and container culture;
min. 2C
chionantha (18) (H4)
cockburniana (4) (H4)
'Crescendo Blue Shades' (Crescendo Series)
(Poly)(30) (H4)
'Crescendo Bright Red' (Crescendo Series)
(Poly)(30) (H4)
'Crescendo Golden' (Crescendo Series)
(Poly)(30) (H4)
'Crescendo Pink and Rose Shades' (Crescendo
Series) (Poly)(30) (H4)
'Danova Purple, White Edge' (Danova Series)
(Prim)(30) (H1)
~ min. 2C
'Danova Rose' (Danova Series) (Prim)(30) (H1)
~ min. 2C
Danova Series (Prim) (H1)
~ sold as a mixture; for pot and container culture;
min. 2C
denticulata (9) (H4)
elatior (30) (H4)
florindae (26) (H4)
frondosa (11) (H4)
'Guinevere' (Poly)(30) (H4)
Husky Series (Prim) (H4)
~ sold as a mixture
'Inverewe' (4) (H4)
japonica 'Miller's Crimson' (4) (H4)
—'Postford White' (4) (H4)
kewensis (12) (H2)
'Lady Greer' (Poly)(30) (H4)
marginata (2) (H4)
—'Beamish' (2) (H4)
~ a hardy plant, but in the south of England
recommended for cultivation in alpine house
conditions
97
93
93
02
93
93
98
93
93
93
—'Linda Pope' (2) (H4)
—'Prichard's Variety' (2) (H4)
~ a hardy plant, but in the south of England
recommended for cultivation in alpine house
conditions
obconica 'Libre Magenta' (H1)
~ min. 2C; from seed, under glass
—'Libre White' (H1)
~ min. 2C; from seed, under glass
prolifera (4) (H4)
× pubescens (2) (H4)
pulverulenta (4) (H4)
—Bartley hybrids (4) (H4)
'Rainbow Blue Shades' (Rainbow Series)
(Poly)(30) (H4)
'Rainbow Cream Shades' (Rainbow Series)
(Poly)(30) (H4)
'Rainbow Scarlet Shades' (Rainbow Series)
(Poly)(30) (H4)
rosea (11) (H4)
sieboldii (7) (H4)
sikkimensis (26) (H4)
veris (30) (H4)
vialii (17) (H4)
vulgaris (Prim)(30) (H4)
—subsp. sibthorpii (Prim)(30) (H4)
—subsp. vulgaris (Prim)(30) (H4)
'Wanda' (Prim)(30) (H4)
Prostanthera (Lamiaceae)
93
02
93
02
cuneata (H4)
ovalifolia (H2)
rotundifolia (H2)
—'Rosea' (H2)
Prunella (Lamiaceae)
93
grandiflora 'Loveliness' (H4)
Prunus (Rosaceae)
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
56
'Accolade' (H4)
'Amanogawa' (H4)
avium (H4)
—'Plena' (d) (H4)
× blireana (d) (H4)
cerasifera 'Nigra' (H4)
× cistena (H4)
~ valued in particular for its foliage effect
'Ichiyo' (d) (H4)
~ previously listed as P. 'Choshu-hizakura'
incisa 'Praecox' (H4)
'Kanzan' (H4)
'Kiku-shidare-zakura' (H4)
'Kursar' (H4)
laurocerasus (H4)
—'Otto Luyken' (H4)
lusitanica (H4)
'Okame' (H4)
padus 'Colorata' (H4)
—'Watereri' (H4)
'Pandora' (H4)
pendula 'Pendula Rosea' (H4)
—'Pendula Rubra' (H4)
'Pink Perfection' (H4)
'Pink Shell' (H4)
sargentii (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
93
93
93
93
93
93
93
serrula (H4)
'Shirofugen' (H4)
'Shirotae' (H4)
'Shôgetsu' (H4)
'Spire' (H4)
× subhirtella 'Autumnalis' (H4)
—'Autumnalis Rosea' (H4)
'Taihaku' (H4)
'Ukon' (H4)
× yedoensis (H4)
93
02
02
02
Pyrus (Rosaceae)
93
93
93
93
93
93
93
amabilis (H4)
Pseudopanax (Araliaceae)
93
93
93
(Adiantifolius Group) 'Cyril Watson' (H1)
~ min. 2C
lessonii 'Gold Splash' (v) (H1)
~ min. 2C
'Purpureus' (H1)
~ min. 2C
93
93
93
93
93
93
Pseudosasa (Poaceae)
93
japonica (H4)
93
menziesii (H4)
Ptelea (Rutaceae)
93
93
93
93
cretica (H1+3)
~ min. 2C
—var. albolineata (H1)
~ min. 2C
93
02
93
93
93
fraxinifolia (H4)
hispida (H4)
93
Pulmonaria (Boraginaceae)
93
93
93
93
93
93
93
angustifolia (H4)
'Lewis Palmer' (H4)
'Margery Fish' (H4)
rubra (H4)
saccharata Argentea Group (H4)
~ awarded as P. saccharata 'Argentea'
'Sissinghurst White' (H4)
~ previously ascribed to P. officinalis
93
93
93
Pulsatilla (Ranunculaceae)
93
93
93
93
93
93
93
alpina subsp. apiifolia (H4)
halleri (H4)
—subsp. slavica (H4)
vernalis (H2)
vulgaris (H4)
—'Alba' (H4)
93
93
93
Punica (Lythraceae)
02
93
granatum var. nana (H3)
—f. plena 'Rubrum Flore Pleno' (d) (H3)
~ previously listed as P. granatum 'Flore Pleno'
93
93
93
aureiflora (H1)
~ min. 2-10C
deminuta (H1)
~ min. 2-10C
donaldiana (H1)
~ min. 2-10C
haagei (H1)
~ min. 2-10C
kupperiana (H1)
~ min. 2-10C
marsoneri (H1)
~ min. 2-10C
muscula (H1)
~ min. 2-10C
narvaecensis (H1)
~ min. 2-10C
senilis var. kesselringiana (H1)
~ min. 2-10C
violaciflora (H1)
~ min. 2-10C
Rehmannia (Scrophulariaceae)
Pyracantha (Rosaceae)
02
aconitifolius 'Flore Pleno' (d) (H4)
acris 'Flore Pleno' (d) (H4)
calandrinioides (H2-3)
gramineus (H4)
montanus 'Molten Gold' (H4)
Rebutia (Cactaceae)
Pterostyrax (Styracaceae)
93
myconi (H4)
nathaliae (H4)
Ranunculus (Ranunculaceae)
Pterocarya (Juglandaceae)
93
sinica (H1)
~ min. 10C
Ramonda (Gesneriaceae)
trifoliata 'Aurea' (H4)
Pteris (Pteridaceae)
93
canariensis (H4)
castaneifolia 'Green Spire' (H4)
coccinea 'Splendens' (H4)
frainetto 'Hungarian Crown' (H4)
× hispanica 'Lucombeana' (H4)
~ Originally awarded to Quercus x lucombeana
'William Lucombe'
ilex (H4)
palustris (H4)
petraea (H4)
robur (H4)
—'Fastigiata Koster' (H4)
rubra (H4)
Radermachera (Bignoniaceae)
Pseudotsuga (Pinaceae)
93
calleryana 'Chanticleer' (H4)
salicifolia 'Pendula' (H4)
Quercus (Fagaceae)
Pseudolarix (Pinaceae)
93
—'Flava' (H4)
SAPHYR ORANGE = 'Cadange' (PBR) (H4)
SAPHYR ROUGE = 'Cadrou' (PBR) (H4)
'Teton' (H4)
02
93
'Golden Charmer' (H4)
~ often sold as 'Orange Charmer'
'Orange Glow' (H4)
rogersiana (H4)
elata (H2)
glutinosa (H3)
Rhamnus (Rhamnaceae)
93
57
alaternus 'Argenteovariegata' (v) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Rhaphiolepis (Rosaceae)
93
02
umbellata (H2-3)
~ valued in particular for cultivation under glass
02
02
Rhapis (Arecaceae)
93
excelsa (H1)
~ including R. humilis; min. 2C
93
Rheum (Polygonaceae)
02
93
palmatum 'Atrosanguineum' (H4)
Rhipsalis (Cactaceae)
93
93
02
93
monacantha (H1)
~ min. 2-10C
pilocarpa (H1)
~ min. 2-10C
93
93
Rhodanthemum (Asteraceae)
93
hosmariense (H4)
93
Rhodochiton (Scrophulariaceae)
93
atrosanguineus (H1-2)
93
Rhododendron (Ericaceae)
93
02
02
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
02
93
93
93
93
'Addy Wery' (EA) (H3-4)
~ suitable for small gardens
'Albert Schweitzer' (H4)
'Alexander' (EA) (H4)
'Alice' (hybrid) (H4)
'Annabella' (K) (H4)
~ suitable for small gardens
'Argosy' (H4)
~ prefers light shade and shelter
argyrophyllum subsp. nankingense 'Chinese
Silver' (H4)
augustinii 'Electra' (H3-4)
'Avalanche' (H4)
~ i.e. the FCC clone; prefers light shade and
shelter
'Bashful' (H4)
~ reconfirmed after trial 2001
'Beethoven' (EA) (H3-4)
~ suitable for small gardens
'Berryrose' (K) (H4)
~ suitable for small gardens
'Blaauw's Pink' (EA) (H3-4)
~ suitable for small gardens
'Blewbury' (H4)
'Blue Danube' (EA) (H3-4)
~ suitable for small gardens
'Blue Peter' (H4)
'Bouquet de Flore' (G) (H4)
~ Verschaffelt's deciduous azalea; suitable for
small gardens
'Bow Bells' (H4)
'Bruce Brechtbill' (H4)
~ suitable for small gardens
bureavii (H4)
~ valued especially for its foliage; sometimes spelt
R. bureaui
calophytum (H4)
calostrotum 'Gigha' (H4)
~ suitable for small gardens
—subsp. keleticum (H4)
~ suitable for small gardens
93
93
02
93
93
93
93
93
93
93
02
93
93
93
93
02
93
93
93
02
93
93
93
58
campylogynum (H4)
~ suitable for small gardens
'Cannon's Double' (K/d) (H4)
'Canzonetta' (EA) (H4)
~ suitable for small gardens
'Caroline Allbrook' (H4)
~ reconfirmed after trial 2001
'Cecile' (K) (H4)
~ suitable for small gardens
'Cetewayo' (H4)
'Champagne' (H3-4)
~ (Tortoiseshell Group)
'Chevalier Félix de Sauvage' (H4)
'Choremia' (H3)
~ i.e. the FCC clone
'Cilpinense' (H3-4)
~ i.e. the FCC clone; suitable for small gardens
'Coccineum Speciosum' (G) (H4)
~ suitable for small gardens
'Corneille' (G/d) (H4)
~ suitable for small gardens
'Countess of Haddington' (H2)
'Crane' (H4)
~ suitable for small gardens
'Crest' (H3-4)
'Curlew' (H4)
~ suitable for small gardens; prefers cooler
conditions
'Cynthia' (H4)
dauricum 'Midwinter' (H4)
'David' (H4)
~ Rose's 'Hugh Koster' hybrid
davidsonianum (H3-4)
'Daviesii' (G) (H4)
~ suitable for small gardens
decorum (H4)
'Doctor M. Oosthoek' (M) (H4)
~ suitable for small gardens
'Dopey' (H4)
~ suitable for small gardens; reconfirmed after
trial 2001
'Dora Amateis' (H4)
~ suitable for small gardens
'Double Damask' (K/d) (H4)
~ suitable for small gardens
'Dreamland' (H4)
~ suitable for small gardens
edgeworthii (H2-3)
'Egret' (H4)
~ suitable for small gardens
'Elisabeth Hobbie' (H4)
~ suitable for small gardens
'Elsie Lee' (EA/d) (H3-4)
~ suitable for small gardens
'Exquisitum' (O) (H4)
~ suitable for small gardens
'Fabia' (H3)
~ i.e. the FCC clone
'Faggetter's Favourite' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
02
02
93
02
93
93
93
93
93
93
02
02
93
93
93
02
93
02
02
02
93
93
93
93
93
02
93
93
93
93
93
93
93
93
02
93
falconeri (H3-4)
~ prefers light shade and shelter
'Fantastica' (H4)
~ suitable for small gardens
fastigiatum 'Blue Steel' (H4)
~ suitable for small gardens
'Fastuosum Flore Pleno' (d) (H4)
'Fireball' (K) (H4)
~ suitable for small gardens
'Florida' (EA/d) (H3-4)
~ suitable for small gardens
fortunei subsp. discolor (H4)
'Fragrantissimum' (H2-3)
'Frank Galsworthy' (H4)
fulvum (H4)
'Furnivall's Daughter' (H4)
'Gartendirektor Rieger' (H4)
'Geisha Orange' (EA) (H4)
~ suitable for small gardens
'Gibraltar' (K) (H4)
~ suitable for small gardens
'Ginny Gee' (H4)
~ suitable for small gardens
'Golden Torch' (H4)
~ suitable for small gardens
'Goldkrone' (H4)
'Gomer Waterer' (H4)
'Gristede' (H4)
~ suitable for small gardens
'Hachmann's Marlis' (H4)
~ suitable for small gardens
'Hachmann's Polaris' (H4)
~ suitable for small gardens
'Helene Schiffner' (H4)
'Hino-crimson' (EA) (H3-4)
~ suitable for small gardens
'Hinomayo' (EA) (H3-4)
~ suitable for small gardens
hippophaeoides 'Haba Shan' (H4)
~ suitable for small gardens
'Homebush' (K/d) (H4)
~ suitable for small gardens
'Horizon Monarch' (H3-4)
'Hotei' (H4)
'Hotspur Red' (K) (H4)
~ suitable for small gardens
'Hydon Dawn' (H4)
~ suitable for small gardens
'Hydon Hunter' (H4)
~ reconfirmed after trial 2001
insigne (H4)
'Irene Koster' (O) (H4)
~ suitable for small gardens
'Irohayama' (EA) (H3-4)
~ suitable for small gardens
'James Burchett' (H4)
'Johanna' (EA) (H4)
~ suitable for small gardens
'Kate Waterer' (H4)
93
93
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93
93
93
02
93
02
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93
02
93
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02
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02
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02
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59
keiskei var. ozawae 'Yaku Fairy' (H4)
~ suitable for small gardens
kiusianum (EA) (H4)
~ shows great variation but generally excellent;
suitable for small gardens
'Klondyke' (K) (H4)
~ suitable for small gardens
'Kluis Sensation' (H4)
'Lady Alice Fitzwilliam' (H2-3)
'Lady Clementine Mitford' (H4)
'Lavender Girl' (H4)
'Lem's Cameo' (H3)
'Lem's Monarch' (H4)
'Linda' (H4)
~ suitable for small gardens
'Lodauric Iceberg' (H3-4)
~ prefers light shade and shelter
'Loderi Game Chick' (H3-4)
~ prefers light shade and shelter
'Loderi King George' (H3-4)
~ prefers light shade and shelter
'Loderi Pink Diamond' (H3-4)
~ prefers light shade and shelter
'Loderi Pink Topaz' (H3-4)
~ prefers light shade and shelter
'Loderi Venus' (H3-4)
~ prefers light shade and shelter
'Loder's White' (H3-4)
'Lord Roberts' (H4)
lutescens 'Bagshot Sands' (H3-4)
luteum (A) (H4)
~ suitable for small gardens
macabeanum (H3-4)
~ prefers light shade and shelter
makinoi (H4)
'Marion Street' (H4)
~ suitable for small gardens
'Markeeta's Prize' (H4)
'Martha Isaacson' (Ad) (H4)
~ suitable for small gardens
'May Day' (H3-4)
~ i.e. the AM clone; suitable for small gardens
'Merganser' (H4)
~ suitable for small gardens
'Moerheim' (H4)
~ suitable for small gardens
'Morning Cloud' (H4)
~ suitable for small gardens
'Mother's Day' (EA) (H4)
~ suitable for small gardens
'Mrs A.T. de la Mare' (H4)
'Mrs Charles E. Pearson' (H4)
'Mrs Davies Evans' (H4)
'Mrs Furnivall' (H4)
'Mrs J.C. Williams' (H4)
'Mrs Lionel de Rothschild' (H4)
~ i.e. the AM clone
'Mrs R.S. Holford' (H4)
'Mrs T.H. Lowinsky' (H4)
mucronulatum 'Cornell Pink' (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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nakaharae 'Mount Seven Star' (EA) (H4)
~ suitable for small gardens
'Nancy Evans' (H3-4)
'Nancy Waterer' (G) (H4)
~ suitable for small gardens
'Narcissiflorum' (G/d) (H4)
~ suitable for small gardens
'Niagara' (EA) (H3-4)
~ suitable for small gardens
niveum (H4)
'Norma' (R/d) (H4)
~ suitable for small gardens
occidentale (A) (H4)
~ extremely variable; suitable for small gardens
'Old Port' (H4)
'Olga' (H4)
'Orange Beauty' (EA) (H3-4)
~ suitable for small gardens
orbiculare (H3-4)
oreodoxa var. fargesii (H4)
'Osmar' (H4)
~ suitable for small gardens
pachysanthum (H4)
~ valued especially for its foliage
'Palestrina' (EA) (H3-4)
~ suitable for small gardens
'Panda' (EA) (H4)
~ suitable for small gardens
'Patty Bee' (H4)
~ suitable for small gardens
'Penheale Blue' (H4)
~ suitable for small gardens
'Percy Wiseman' (H4)
~ suitable for small gardens; reconfirmed after
trial 2001
'Persil' (K) (H4)
~ suitable for small gardens
'Pink Cherub' (H4)
~ suitable for small gardens; reconfirmed after
trial 2001
'Pink Pancake' (EA) (H4)
~ suitable for small gardens
'Pink Pebble' (H3-4)
~ suitable for small gardens
(PJM Group) 'Peter John Mezitt' (H4)
~ suitable for small gardens
'Polar Bear' (H3-4)
~ i.e. the FCC clone; prefers light shade and
shelter
polycladum (Scintillans Group) 'Policy' (H4)
~ i.e. the FCC clone of the Scintillans Group;
suitable for small gardens
'Praecox' (H4)
~ suitable for small gardens
'Princess Anne' (H4)
~ suitable for small gardens
'Professor Hugo de Vries' (H4)
pseudochrysanthum (H4)
'Ptarmigan' (H3-4)
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~ suitable for small gardens
'Pucella' (G) (H4)
~ suitable for small gardens
'Purple Splendour' (H4)
'Purple Triumph' (EA) (H3)
'Purpurtraum' (EA) (H4)
~ suitable for small gardens
'Queen Elizabeth II' (H4)
racemosum (H4)
~ suitable for small gardens
—'Rock Rose' ex R 11265 (H3-4)
~ suitable for small gardens
'Racoon' (EA) (H4)
~ suitable for small gardens
'Ramapo' (H4)
~ suitable for small gardens
'Razorbill' (H4)
~ suitable for small gardens
'Rendezvous' (H4)
~ suitable for small gardens
'Renoir' (H4)
~ suitable for small gardens; reconfirmed after
trial 2001
rex subsp. fictolacteum (H3-4)
~ prefers light shade and shelter
—subsp. rex (H3-4)
~ prefers light shade and shelter
'Rosata' (Vs) (H4)
'Rosebud' (EA/d) (H3-4)
~ suitable for small gardens
roxieanum var. oreonastes (H4)
~ suitable for small gardens
russatum (H4)
~ suitable for small gardens
'Saint Merryn' (H4)
~ suitable for small gardens
'Sarled' (H4)
~ i.e. the AM clone; suitable for small gardens
'Satan' (K) (H4)
~ suitable for small gardens
'Scarlet Wonder' (H4)
~ suitable for small gardens
'Silver Slipper' (K) (H4)
~ suitable for small gardens
sinogrande (H3)
~ prefers light shade and shelter
'Sir Charles Lemon' (H3-4)
'Souvenir de Doctor S. Endtz' (H4)
'Souvenir of Anthony Waterer' (H4)
'Spek's Orange' (M) (H4)
~ suitable for small gardens
'Squirrel' (EA) (H4)
~ suitable for small gardens
'Strawberry Ice' (K) (H4)
~ suitable for small gardens
'Summer Fragrance' (O) (H4)
~ suitable for small gardens
'Sunte Nectarine' (K) (H4)
~ suitable for small gardens
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Susan' (H4)
~ Williams's R. campanulatum hybrid
'Tatjana' (H4)
~ suitable for small gardens
'Taurus' (H4)
'Tessa Roza' (H4)
~ suitable for small gardens
'The Hon. Jean Marie de Montague' (H4)
'The Master' (H4)
~ Slocock's 'China' hybrid
'Tibet' (H3-4)
~ suitable for small gardens
'Tidbit' (H4)
~ suitable for small gardens
'Tortoiseshell Orange' (H3-4)
'Tortoiseshell Wonder' (H3-4)
trichostomum (Ledoides Group) 'Collingwood
Ingram' (H4)
~ suitable for small gardens
'Unique' (campylocarpum hybrid) (H4)
~ Slocock's R. campylocarpum hybrid; suitable for
small gardens; omitted in error from AGM Plants
2002
'Vanessa Pastel' (H3-4)
vaseyi (A) (H3-4)
~ suitable for small gardens
'Vintage Rosé' (H4)
~ suitable for small gardens; reconfirmed after
trial 2001
viscosum (A) (H4)
~ variable, but good in all forms; suitable for
small gardens
'Viscy' (H4)
'Vulcan' (H4)
~ Waterer's R. griersonianum hybrid
'Vuyk's Rosyred' (EA) (H4)
~ suitable for small gardens
'Vuyk's Scarlet' (EA) (H4)
~ suitable for small gardens
'W.F.H.' (H4)
~ suitable for small gardens
'Wee Bee' (H4)
~ suitable for small gardens
'White Lights' (A) (H4)
~ suitable for small gardens
'Whitethroat' (K/d) (H4)
~ suitable for small gardens
williamsianum (H4)
~ suitable for small gardens
wiltonii (H4)
'Winsome' (hybrid) (H3)
~ i.e. the AM clone; suitable for small gardens
'Wombat' (EA) (H4)
~ suitable for small gardens
yakushimanum 'Koichiro Wada' (H4)
~ suitable for small gardens; reconfirmed after
trial 2001
'Yellow Hammer' (H4)
yunnanense 'Openwood' (H3-4)
Rhodohypoxis (Hypoxidaceae)
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baurii (H4)
Rhoicissus (Vitaceae)
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capensis (H1)
~ min. 2C
Rhombophyllum (Aizoaceae)
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rhomboideum (H1)
~ min. 2C
Rhus (Anacardiaceae)
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× pulvinata (Autumn Lace Group) 'Red Autumn
Lace' (H4)
typhina (H4)
~ may sucker
—'Dissecta' (H4)
~ may sucker
Ribes (Grossulariaceae)
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sanguineum 'Pulborough Scarlet' (H4)
—WHITE ICICLE = 'Ubric' (H4)
speciosum (H3)
Ricinus (Euphorbiaceae)
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communis 'Carmencita' (H3)
Robinia (Papilionaceae)
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pseudoacacia 'Frisia' (H4)
× slavinii 'Hillieri' (H4)
Rodgersia (Saxifragaceae)
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aesculifolia (H4)
'Irish Bronze' (H4)
pinnata 'Superba' (H4)
podophylla (H4)
Romneya (Papaveraceae)
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coulteri (H4)
—'White Cloud' (H4)
Rosa (Rosaceae)
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ABBEYFIELD ROSE = 'Cocbrose' (PBR) (HT) (H4)
'Adélaïde d'Orléans' (Ra) (H4)
'Agnes' (Ru) (H4)
× alba 'Alba Semiplena' (A) (H4)
'Albéric Barbier' (Ra) (H4)
'Albertine' (Ra) (H4)
ALEXANDER = 'Harlex' (HT) (H4)
'Aloha' (ClHT) (H4)
AMBER QUEEN = 'Harroony' (PBR) (F) (H4)
ANISLEY DICKSON = 'Dickimono' (PBR) (F) (H4)
ANNA FORD = 'Harpiccolo' (PBR) (Min/Patio) (H4)
ANNA LIVIA = 'Kormetter' (PBR) (F) (H4)
'Arthur Bell' (F) (H4)
AVON = 'Poulmulti' (PBR) (GC) (H4)
BABY LOVE = 'Scrivluv' (PBR) (yellow) (Min/Patio)
(H4)
'Ballerina' (HM/Poly) (H4)
banksiae 'Lutea' (Ra/d) (H3)
'Belle de Crécy' (G) (H4)
BERKSHIRE = 'Korpinka' (PBR) (GC) (H4)
'Blairii Number Two' (ClBb) (H4)
'Blanche Double de Coubert' (Ru) (H4)
'Blessings' (HT) (H4)
'Bleu Magenta' (Ra) (H4)
'Bobbie James' (Ra) (H4)
~ more suitable for larger gardens
BONICA = 'Meidomonac' (PBR) (GC) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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'Buff Beauty' (HM) (H4)
'Cantabrigiensis' (S) (H4)
~ more suitable for larger gardens
'Capitaine John Ingram' (CeMo) (H4)
'Cardinal de Richelieu' (G) (H4)
'Cécile Brünner' (Poly) (H4)
'Céleste' (A) (H4)
~ previously listed as R. 'Celestial'
'Céline Forestier' (N) (H3)
CENTENARY = 'Koreledas' (PBR) (F) (H4)
× centifolia 'Cristata' (Ce) (H4)
'Cerise Bouquet' (S) (H4)
CHAMPAGNE COCKTAIL = 'Horflash' (PBR) (F)
(H4)
'Charles de Mills' (G) (H4)
CHARLOTTE = 'Auspoly' (PBR) (S) (H4)
'Chinatown' (F/S) (H4)
CIDER CUP = 'Dicladida' (PBR) (Min/Patio) (H4)
'Climbing Arthur Bell' (PBR) (ClF) (H4)
'Climbing Cécile Brünner' (ClPoly) (H4)
'Climbing Etoile de Hollande' (ClHT) (H4)
'Climbing Iceberg' (ClF) (H4)
'Climbing Lady Hillingdon' (ClT) (H3)
'Climbing Mrs Sam McGredy' (ClHT) (H4)
'Climbing Shot Silk' (ClHT) (H4)
'Compassion' (ClHT) (H4)
'Complicata' (G) (H4)
CONSTANCE SPRY = 'Austance' (Cl/S) (H4)
'Cornelia' (HM) (H4)
'Crimson Shower' (Ra) (H4)
DAWN CHORUS = 'Dicquasar' (PBR) (HT) (H4)
'De Rescht' (DPo) (H4)
'Deep Secret' (HT) (H4)
'Dortmund' (ClHScB) (H4)
DUBLIN BAY = 'Macdub' (Cl) (H4)
'Duc de Guiche' (G) (H4)
'Duchesse de Montebello' (G) (H4)
'Easlea's Golden Rambler' (Ra) (H4)
EGLANTYNE = 'Ausmak' (PBR) (S) (H4)
ELINA = 'Dicjana' (PBR) (HT) (H4)
'English Miss' (F) (H4)
ESCAPADE = 'Harpade' (F) (H4)
EVELYN = 'Aussaucer' (PBR) (S) (H4)
'Fantin-Latour' (centifolia hybrid) (H4)
FASCINATION = 'Poulmax' (PBR) (F) (H4)
'Felicia' (HM) (H4)
'Félicité Parmentier' (AxD) (H4)
'Félicité Perpétue' (Ra) (H4)
FELLOWSHIP = 'Harwelcome' (PBR) (F) (H4)
'Ferdinand Pichard' (Bb) (H4)
filipes 'Kiftsgate' (Ra) (H4)
~ more suitable for larger gardens
FLOWER CARPET WHITE = 'Noaschnee' (PBR)
(GC) (H4)
'Fragrant Delight' (F) (H4)
'Francis E. Lester' (HM/Ra) (H4)
× francofurtana (H4)
'François Juranville' (Ra) (H4)
'Fred Loads' (F/S) (H4)
FREEDOM = 'Dicjem' (PBR) (HT) (H4)
FRIEND FOR LIFE = 'Cocnanne' (PBR) (F) (H4)
'Fritz Nobis' (S) (H4)
'Fru Dagmar Hastrup' (Ru) (H4)
'Frühlingsgold' (PiH) (H4)
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gallica var. officinalis (G) (H4)
—'Versicolor' (G) (H4)
'Geranium' (moyesii hybrid) (H4)
GERTRUDE JEKYLL = 'Ausbord' (PBR) (S) (H4)
glauca Pourr. (S) (H4)
~ sometimes listed as R. ferruginea
GOLDEN CELEBRATION = 'Ausgold' (PBR) (S) (H4)
'Golden Showers' (Cl) (H4)
'Golden Wings' (S) (H4)
GORDON'S COLLEGE = 'Cocjabby' (PBR) (F) (H4)
GRAHAM THOMAS = 'Ausmas' (PBR) (S) (H4)
GROUSE = 'Korimro' (PBR) (S/GC) (H4)
'Hakuun' (F/Patio) (H4)
HANDEL = 'Macha' (Cl) (H4)
HERTFORDSHIRE = 'Kortenay' (PBR) (GC) (H4)
HIGH HOPES = 'Haryup' (PBR) (Cl) (H4)
ICE CREAM = 'Korzuri' (PBR) (HT) (H4)
ICEBERG = 'Korbin' (F) (H4)
INDIAN SUMMER = 'Peaperfume' (PBR) (HT) (H4)
INGRID BERGMAN = 'Poulman' (PBR) (HT) (H4)
'Ispahan' (D) (H4)
JACQUELINE DU PRÉ = 'Harwanna' (PBR) (S) (H4)
'Just Joey' (HT) (H4)
KENT = 'Poulcov' (PBR) (S/GC) (H4)
'Königin von Dänemark' (A) (H4)
L.D. BRAITHWAITE = 'Auscrim' (PBR) (S) (H4)
'La Ville de Bruxelles' (D) (H4)
'Lady Penzance' (RH) (H4)
L'AIMANT = 'Harzola' (PBR) (F) (H4)
LANCASHIRE = 'Korstesgli' (PBR) (GC) (H4)
LAURA FORD = 'Chewarvel' (PBR) (ClMin) (H4)
'Lavender Lassie' (HM) (H4)
LAWINIA = 'Tanklewi' (PBR) (ClHT) (H4)
'Leverkusen' (Cl) (H4)
LITTLE BO-PEEP = 'Poullen' (PBR) (Min/Patio)
(H4)
LITTLE RAMBLER = 'Chewramb' (PBR) (MinRa)
(H4)
LOVELY LADY = 'Dicjubell' (PBR) (HT) (H4)
macrophylla 'Master Hugh' (H4)
'Madame Alfred Carrière' (N) (H4)
'Madame Grégoire Staechelin' (ClHT) (H4)
'Madame Hardy' (ClD) (H4)
'Madame Isaac Pereire' (ClBb) (H4)
'Madame Knorr' (DPo) (H4)
MAGIC CARPET = 'Jaclover' (PBR) (S/GC) (H4)
'Maiden's Blush' Hort. (A) (H4)
'Maigold' (ClPiH) (H4)
MANY HAPPY RETURNS = 'Harwanted' (PBR) (S/F)
(H4)
'Marchesa Boccella' (DPo) (H4)
MARGARET MERRIL = 'Harkuly' (F/HT) (H4)
'Marguerite Hilling' (S) (H4)
MARJORIE FAIR = 'Harhero' (Poly/S) (H4)
MARRY ME = 'Dicwonder' (PBR) (Patio) (H4)
MARY ROSE = 'Ausmary' (PBR) (S) (H4)
MATANGI = 'Macman' (F) (H4)
MEMENTO = 'Dicbar' (PBR) (F) (H4)
'Mermaid' (Cl) (H3-4)
'Mevrouw Nathalie Nypels' (Poly) (H4)
MOLINEUX = 'Ausmol' (PBR) (S) (H4)
'Morning Jewel' (ClF) (H4)
MOUNTBATTEN = 'Harmantelle' (PBR) (F) (H4)
mulliganii (Ra) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
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~ sometimes grown incorrectly as R. longicuspis
'Nevada' (S) (H4)
'New Dawn' (Cl) (H4)
NICE DAY = 'Chewsea' (PBR) (ClMin) (H4)
'Nozomi' (ClMin/GC) (H4)
'Nuits de Young' (CeMo) (H4)
nutkana 'Plena' (S) (H4)
~ usually grown as R. californica 'Plena'
× odorata 'Mutabilis' (Ch) (H3-4)
OPEN ARMS = 'Chewpixcel' (PBR) (ClMin) (H4)
OXFORDSHIRE = 'Korfullwind' (PBR) (GC) (H4)
'Parade' (Cl) (H4)
PAT AUSTIN = 'Ausmum' (PBR) (S) (H4)
PAUL SHIRVILLE = 'Harqueterwife' (PBR) (HT)
(H4)
'Paul Transon' (Ra) (H4)
'Paul's Himalayan Musk' (Ra) (H3-4)
~ more suitable for larger gardens
PEACE = 'Madame A. Meilland' (HT) (H4)
'Penelope' (HM) (H4)
PENNY LANE = 'Hardwell' (PBR) (Cl) (H4)
'Perle d'Or' (Poly) (H4)
'Phyllis Bide' (Ra) (H4)
pimpinellifolia 'Andrewsii' (H4)
PINK FLOWER CARPET = 'Noatraum' (PBR) (GC)
(H4)
'Pink Grootendorst' (Ru) (H4)
'Président de Sèze' (G) (H4)
PRETTY LADY = 'Scrivo' (PBR) (F) (H4)
PRETTY POLLY = 'Meitonje' (PBR) (Min) (H4)
primula (S) (H3-4)
PRINCESS OF WALES = 'Hardinkum' (PBR) (F)
(H4)
'Prosperity' (HM) (H4)
QUEEN MOTHER = 'Korquemu' (PBR) (Patio) (H4)
'Rambling Rector' (Ra) (H4)
~ more suitable for larger gardens
REMEMBER ME = 'Cocdestin' (PBR) (HT) (H4)
REMEMBRANCE = 'Harxampton' (PBR) (F) (H4)
'Rose d'Amour' (S) (H4)
~ now considered to be a R. virginiana hybrid
'Roseraie de l'Haÿ' (Ru) (H4)
ROSY CUSHION = 'Interall' (PBR) (S/GC) (H4)
ROYAL WILLIAM = 'Korzaun' (PBR) (HT) (H4)
rugosa 'Alba' (Ru) (H4)
—'Rubra' (Ru) (H4)
'Sally Holmes' (PBR) (S) (H4)
'Sander's White Rambler' (Ra) (H4)
SAVOY HOTEL = 'Harvintage' (PBR) (HT) (H4)
'Scabrosa' (Ru) (H4)
SCEPTER'D ISLE = 'Ausland' (PBR) (S) (H4)
'Scharlachglut' (ClS) (H4)
'Schneezwerg' (Ru) (H4)
'Seagull' (Ra) (H4)
SEXY REXY = 'Macrexy' (PBR) (F) (H4)
SHINE ON = 'Dictalent' (PBR) (Patio) (H4)
SILVER ANNIVERSARY = 'Poulari' (PBR) (HT) (H4)
'Silver Jubilee' (HT) (H4)
soulieana (Ra/S) (H3-4)
~ more suitable for larger gardens
'Southampton' (F) (H4)
SUMMER WINE = 'Korizont' (PBR) (Cl) (H4)
SUNSET BOULEVARD = 'Harbabble' (PBR) (F) (H4)
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SUPER ELFIN = 'Helkleger' (PBR) (Ra) (H4)
SURREY = 'Korlanum' (PBR) (GC) (H4)
SWANY = 'Meiburenac' (Min/GC) (H4)
SWEET DREAM = 'Fryminicot' (PBR) (Patio) (H4)
SWEET MAGIC = 'Dicmagic' (PBR) (Min/Patio)
(H4)
TALL STORY = 'Dickooky' (PBR) (F) (H4)
TEQUILA SUNRISE = 'Dicobey' (PBR) (HT) (H4)
'The Fairy' (Poly) (H4)
'The Garland' (Ra) (H4)
THE LADY = 'Fryjingo' (PBR) (S) (H4)
THE TIMES ROSE = 'Korpeahn' (PBR) (F) (H4)
TRADITION '95 = 'Korkeltin' (PBR) (Cl) (H4)
TROIKA = 'Poumidor' (HT) (H4)
TRUMPETER = 'Mactru' (F) (H4)
'Tuscany Superb' (G) (H4)
VALENCIA = 'Koreklia' (PBR) (HT) (H4)
VALENTINE HEART = 'Dicogle' (PBR) (F) (H4)
'Veilchenblau' (Ra) (H4)
virginiana (H4)
WARM WELCOME = 'Chewizz' (PBR) (ClMin) (H4)
WARM WISHES = 'Fryxotic' (PBR) (HT) (H4)
WESTERLAND = 'Korwest' (F/S) (H4)
WHITE CLOUD = 'Korstacha' (PBR) (S/ClHT) (H4)
'White Pet' (Poly) (H4)
'William Lobb' (CeMo) (H4)
WILTSHIRE = 'Kormuse' (PBR) (S/GC) (H4)
xanthina 'Canary Bird' (S) (H4)
—f. hugonis (H4)
'Yesterday' (Poly/F/S) (H4)
'Yvonne Rabier' (Poly) (H4)
Roscoea (Zingiberaceae)
93
98
93
cautleyoides (H4)
—'Kew Beauty' (H4)
humeana (H4)
~ name often misapplied
Rosmarinus (Lamiaceae)
02
02
93
93
93
officinalis var. angustissimus 'Benenden Blue'
(H4)
—'McConnell's Blue' (H4)
—'Miss Jessopp's Upright' (H4)
—'Severn Sea' (H4)
—'Sissinghurst Blue' (H4)
Rubus (Rosaceae)
93
02
96
93
'Benenden' (H4)
biflorus (H4)
cockburnianus 'Goldenvale' (H4)
thibetanus (H4)
Rudbeckia (Asteraceae)
00
93
02
93
93
02
00
00
02
amplexicaulis (H3)
fulgida var. deamii (H4)
~ reconfirmed after trial 2002
—var. speciosa (H4)
—var. sullivantii 'Goldsturm' (H4)
'Goldquelle' (d) (H4)
~ reconfirmed after trial 2002
'Herbstsonne' (H4)
hirta 'Indian Summer' (H3)
—'Toto' (H3)
laciniata 'Goldkugel' (d) (H4)
Ruellia (Acanthaceae)
93
63
makoyana (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
~ min. 10C
94
93
96
96
94
96
96
93
96
93
96
96
96
96
93
Rumohra (Davalliaceae)
93
adiantiformis (H1)
~ min. 10C
Russelia (Scrophulariaceae)
93
equisetiformis (H1)
~ min. 10C
Salix (Salicaceae)
93
93
93
93
93
93
02
93
93
93
93
93
93
acutifolia 'Blue Streak' (m) (H4)
alba var. sericea (H4)
—subsp. vitellina (H4)
——'Britzensis' (m) (H4)
babylonica var. pekinensis 'Tortuosa' (H4)
'Boydii' (f) (H4)
elaeagnos subsp. angustifolia (H4)
hastata 'Wehrhahnii' (m) (H4)
helvetica (H4)
lanata (H4)
magnifica (H4)
purpurea 'Pendula' (H4)
reticulata (H4)
Sambucus (Caprifoliaceae)
93
02
93
93
93
93
93
93
93
93
93
96
93
02
96
96
93
96
96
96
96
96
96
96
96
96
96
93
93
93
93
94
canadensis f. multiplex 'Plena' (d) (H4)
Sansevieria (Dracaenaceae)
Royale Series (H3)
~ sold as a mixture
93
Salvia (Lamiaceae)
93
93
nigra 'Aurea' (H4)
—BLACK BEAUTY = 'Gerda' (H4)
—f. laciniata (H4)
racemosa 'Sutherland Gold' (H4)
Sanguinaria (Papaveraceae)
Salpiglossis (Solanaceae)
02
'Phoenix Mixed' (H3)
pratensis Haematodes Group (H4)
—'Indigo' (H4)
'Raspberry Royale' (H3-4)
'Red Arrow' (H3)
roemeriana (H3)
spathacea (H3-4)
splendens 'Vanguard' (H3)
—'Van-Houttei' (H3)
× superba (H4)
—'Rubin' (H4)
× sylvestris 'Blauhügel' (H4)
—'Mainacht' (H4)
—'Tänzerin' (H4)
uliginosa (H3-4)
93
argentea (H3)
buchananii (H1+3)
~ min. 2C
cacaliifolia (H1+3)
~ min. 2C
candelabrum (H3-4)
~ min. 2C
coccinea 'Lady in Red' (H3)
discolor (H1)
~ min. 2C
farinacea 'Victoria' (H3)
fulgens (H3)
guaranitica 'Blue Enigma' (H3-4)
involucrata (H3)
—'Bethellii' (H3-4)
—'Boutin' (H3)
× jamensis 'Los Lirios' (H3-4)
leucantha (H1)
~ min. 2C
microphylla 'Kew Red' (H3-4)
—var. microphylla 'Newby Hall' (H3-4)
—'Pink Blush' (H3-4)
—'Pleasant View' (H3-4)
multicaulis (H4)
nemorosa 'Amethyst' (H4)
—'Lubecca' (H4)
—'Ostfriesland' (H4)
—'Porzellan' (H4)
—'Pusztaflamme' (H4)
~ awarded as S. nemorosa 'Plumosa'
officinalis 'Icterina' (v) (H4)
—'Purpurascens' (H4)
oppositiflora (H1+3)
~ min. 2C
patens (H3)
—'Cambridge Blue' (H3)
93
93
93
93
trifasciata 'Bantel's Sensation' (H1)
~ min. 10C
—'Craigii' (H1)
~ min. 10C
—'Golden Hahnii' (v) (H1)
~ min. 10C
—'Hahnii' (H1)
~ min. 10C
—var. laurentii (v) (H1)
~ min. 10C
—'Moonshine' (H1)
~ min. 10C
Santolina (Asteraceae)
93
93
93
93
chamaecyparissus (H4)
—var. nana (H4)
pinnata subsp. neapolitana (H4)
rosmarinifolia subsp. rosmarinifolia 'Primrose
Gem' (H4)
Saponaria (Caryophyllaceae)
93
93
93
93
'Bressingham' (H4)
ocymoides (H4)
—'Rubra Compacta' (H4)
× olivana (H4)
Sarcococca (Buxaceae)
93
93
93
93
confusa (H4)
hookeriana (H4)
—var. digyna (H4)
ruscifolia var. chinensis (H4)
~ often listed as S.ruscifolia
Sarmienta (Gesneriaceae)
93
repens (H2)
Sarracenia (Sarraceniaceae)
93
93
93
64
× catesbyi (H1)
~ min. 2C
× chelsonii (H1)
~ min. 2C
× excellens (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
93
~ min. 2C
flava (H1)
~ min. 2C
leucophylla (H1)
~ min. 2C
× mitchelliana (H1)
~ min. 2C
× wrigleyana (H1)
~ min. 2C
93
Schizanthus (Solanaceae)
02
02
93
93
93
93
93
93
93
93
93
93
93
93
93
93
coerulea (H4)
93
02
93
93
93
verticillata (H4)
Scilla (Hyacinthaceae)
93
93
93
bifolia (H4)
mischtschenkoana 'Tubergeniana' (H4)
siberica (H4)
Scindapsus (Araceae)
93
pictus 'Argyraeus' (H1)
~ min. 10C
Sedum (Crassulaceae)
96
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
'Bertram Anderson' (H4)
cauticola (H4)
'Herbstfreude' (H4)
kamtschaticum (H4)
—var. ellacombeanum (H4)
—var. kamtschaticum 'Variegatum' (v) (H4)
morganianum (H1)
~ min. 2C
'Ruby Glow' (H4)
sieboldii 'Mediovariegatum' (v) (H2-3)
spathulifolium 'Cape Blanco' (H4)
—'Purpureum' (H4)
spectabile (H4)
—'Brilliant' (H4)
spurium 'Schorbuser Blut' (H4)
telephium subsp. maximum 'Atropurpureum'
(H4)
'Vera Jameson' (H4)
Selaginella (Selaginellaceae)
93
caucasica 'Clive Greaves' (H4)
—'Miss Willmott' (H4)
stellata 'Drumstick' (H3)
93
93
multiflorus subsp. katherinae (H1)
~ min. 2C
—subsp. multiflorus (H1)
~ min. 5C
93
93
Schefflera (Araliaceae)
93
× buckleyi (H1)
~ min. 10C
Sciadopitys (Sciadopityaceae)
Scadoxus (Amaryllidaceae)
93
coccinea 'Jennifer' (H4)
—'Major' (H4)
—'Sunrise' (H4)
Schlumbergera (Cactaceae)
callosa (8) (H4)
cebennensis (15) (H2)
'Clarence Elliott' (umbrosa) (11) (H4)
'Cranbourne' ( × anglica) (7) (H4)
'Cumulus' (iranica hybrid) (7) (H4)
'Duncan Lowe' (andersonii) (7) (H4)
'Faldonside' ( × boydii) (7) (H4)
federici-augusti subsp. grisebachii (7) (H2-3)
ferdinandi-coburgi (7) (H4)
fortunei (5) (H4)
'Gloria' (burseriana) (7) (H4)
'Gregor Mendel' ( × apiculata) (7) (H4)
'Jenkinsiae' ( × irvingii) (7) (H4)
'Kathleen Pinsent' (8) (H4)
'Lutea' (paniculata) (8) (H4)
'Luteola' ( × boydii) (7) (H4)
'Major' (cochlearis) (8) (H4)
'Minor' (cochlearis) (8) (H4)
'Peter Burrow' ( × poluanglica) (7) (H4)
'Primuloides' (umbrosa) (11) (H4)
~ Originally listed as Saxifraga umbrosa var.
primuloides
'Rosea' (paniculata) (8) (H4)
'Sanguinea Superba' ( × arendsii) (15) (H4)
'Southside Seedling' (8) (H4)
'Splendens' (oppositifolia) (7) (H4)
stolonifera (5) (H2)
'Theoden' (oppositifolia) (7) (H4)
'Tricolor' (stolonifera) (5) (H2)
'Tumbling Waters' (8) (H4)
× urbium (11) (H4)
'Wisley' (federici-augusti subsp. grisebachii) (7)
(H2-3)
Scabiosa (Dipsacaceae)
93
93
93
hydrangeoides 'Roseum' (H4)
integrifolium (H4)
Schizostylis (Iridaceae)
Saxifraga (Saxifragaceae)
93
93
93
93
98
96
93
93
93
93
93
93
93
93
93
93
93
93
94
93
pinnatus 'Hit Parade' (H3)
Schizophragma (Hydrangeaceae)
Satureja (Lamiaceae)
93
elegantissima (H1)
~ min. 10C
kraussiana (H1)
~ min. 2C
—'Brownii' (H1)
~ min. 2C
—'Variegata' (v) (H1)
~ min. 2C
martensii (H1)
~ min. 10C
uncinata (H1)
~ min. 10C
Semiarundinaria (Poaceae)
actinophylla (H1)
~ min. 10C
arboricola (H1)
~ min. 10C
—'Gold Capella' (H1)
~ min. 10C
93
fastuosa (H4)
Sempervivum (Crassulaceae)
93
93
93
65
arachnoideum (H4)
—subsp. tomentosum (H4)
ciliosum (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
'Commander Hay' (H4)
tectorum (H4)
94
Senecio (Asteraceae)
02
93
02
93
93
94
cineraria 'Cirrus' (H3)
—'Silver Dust' (H3)
haworthii (H1)
~ min. 2C
macroglossus 'Variegatus' (v) (H1)
~ min. 2C
viravira (H3-4)
94
94
94
Senna (Caesalpiniaceae)
93
94
artemisioides (H1)
~ min. 2C
94
Sequoia (Cupressaceae)
93
sempervirens (H4)
94
Sequoiadendron (Cupressaceae)
93
giganteum (H4)
94
Seriphidium (Asteraceae)
93
vallesiacum (H4)
94
Setaria (Poaceae)
95
94
macrostachya (H3)
~ annual grass for drying
Solidago (Asteraceae)
Sidalcea (Malvaceae)
02
93
02
93
'Elsie Heugh' (H4)
'William Smith' (H4)
93
alpestris 'Flore Pleno' (d) (H4)
schafta (H4)
93
perfoliatum (H4)
98
98
02
93
canescens (H1)
~ min. 10C
'Empress Purple Spotted' (H1)
~ min. 5C; from seed, under glass
'Empress Red' (H1)
~ min. 5C; from seed, under glass
Empress Series (H1)
~ min. 5C; sold as a mixture
93
02
93
93
93
93
93
93
idahoense 'Album' (H4)
macrocarpon (H2-3)
× confusa 'Kew Green' (m) (H4)
japonica 'Fragrans' (m) (H4)
—'Nymans' (f) (H4)
—'Rubella' (m) (H4)
93
93
93
93
93
93
racemosa (H4)
~ previously listed as Maianthemum racemosum
Solanum (Solanaceae)
93
93
crispum 'Glasnevin' (H3)
laxum 'Album' (H3)
~ awarded as S. jasminoides 'Album'
93
93
93
93
Solenostemon (Lamiaceae)
94
tomentosa var. angustifolia (H4)
Sorbus (Rosaceae)
Smilacina (Convallariaceae)
93
japonica (H4)
microphylla SUN KING = 'Hilsop' (PBR) (H4)
tetraptera (H3)
Sorbaria (Rosaceae)
Skimmia (Rutaceae)
93
93
93
93
margaritacea (H1)
~ min. 15C
Sophora (Papilionaceae)
Sisyrinchium (Iridaceae)
02
93
heterophylla (H1)
~ min. 2C
Sonerila (Melastomataceae)
Sinningia (Gesneriaceae)
93
luteus 'Lemore' (H4)
Sollya (Pittosporaceae)
Silphium (Asteraceae)
02
'Gardone' (H4)
'Goldenmosa' (H4)
× Solidaster (Asteraceae)
Silene (Caryophyllaceae)
93
93
'Crimson Ruffles' (v) (H1)
~ min. 2C
'Firebrand' (v) (H1)
~ min. 2C
'Glory of Luxembourg' (v) (H1)
~ min. 2C
'Lord Falmouth' (H1)
~ min. 2C
'Paisley Shawl' (v) (H1)
~ min. 2C
'Picturatus' (v) (H1)
~ min. 2C
'Pineapple Beauty' (v) (H1)
~ min. 2C
'Pineapplette' (H1)
~ min. 2C
'Royal Scot' (v) (H1)
~ min. 2C
'Walter Turner' (v) (H1)
~ min. 2C
'Wisley Tapestry' (v) (H1)
~ min. 2C
aria 'Lutescens' (H4)
—'Majestica' (H4)
aucuparia 'Sheerwater Seedling' (H4)
—var. xanthocarpa (H4)
~ previously listed as S. aucuparia 'Fructu Luteo'
cashmiriana Hedl. (H4)
commixta 'Embley' (H4)
hupehensis C.K. Schneid. (H4)
—var. obtusa (H4)
hybrida L. 'Gibbsii' (H4)
koehneana C.K. Schneid. (H4)
~ previously listed as S. fruticosa 'Koehneana'
reducta (H4)
sargentiana (H4)
thibetica 'John Mitchell' (H4)
vilmorinii (H4)
Sparaxis (Iridaceae)
'Buttermilk' (v) (H1)
~ min. 2C
02
66
grandiflora (H2-3)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Sparrmannia (Tiliaceae)
93
africana (H1)
~ min. 2C
02
Spartium (Papilionaceae)
93
93
junceum (H4)
Spathiphyllum (Araceae)
93
02
'Mauna Loa' (H1)
~ min. 15C
93
Spiraea (Rosaceae)
02
93
02
02
02
02
93
93
93
02
'Arguta' (H4)
× cinerea 'Grefsheim' (H4)
japonica 'Candlelight' (H4)
—'Dart's Red' (H4)
—GOLDEN PRINCESS = 'Lisp' (PBR) (H4)
—MAGIC CARPET = 'Walbuma' (PBR) (H4)
—'Nana' (H4)
nipponica 'Snowmound' (H4)
thunbergii (H4)
93
02
93
93
Stachys (Lamiaceae)
macrantha 'Robusta' (H4)
~ will grow in total shade
02
Stachyurus (Stachyuraceae)
93
93
93
praecox (H4)
Stapelia (Asclepiadaceae)
93
02
gigantea (H1)
~ min. 2C
93
Stenotaphrum (Poaceae)
93
secundatum 'Variegatum' (v) (H1)
~ min. 10C
02
Stephanotis (Asclepiadaceae)
93
02
floribunda (H1)
~ min. 10C
93
Stewartia (Theaceae)
02
93
93
93
malacodendron (H4)
pseudocamellia (H4)
—Koreana Group (H4)
sinensis (H4)
93
93
Stipa (Poaceae)
93
93
gigantea (H4)
Stomatium (Aizoaceae)
93
meyeri (H1)
~ min. 2C
niveum (H1)
~ min. 2C
93
02
02
93
Strelitzia (Strelitziaceae)
93
Streptosolen (Solanaceae)
reginae (H1)
~ min. 10C
93
Streptocarpus (Gesneriaceae)
93
02
02
02
02
02
~ min. 10C
'Crystal Ice' (PBR) (H1)
~ min. 10C
'Cynthia' (H1)
~ min. 10C
'Daphne' (H1)
~ min. 10C
'Falling Stars' (H1)
~ min. 10C
glandulosissimus (H1)
~ min. 10C
'Gloria' (H1)
~ min. 10C
'Happy Snappy' (H1)
~ min. 10C
'Heidi' (H1)
~ min. 10C
'Helen' (H1)
~ min. 10C
'Jennifer' (H1)
~ min. 10C
'Kim' (H1)
~ min. 10C
'Laura' (H1)
~ min. 10C
'Lisa' (H1)
~ min. 10C
'Maassen's White' (H1)
~ min. 10C
'Melanie' (H1)
~ min. 10C
'Paula' (H1)
~ min. 10C
'Ruby' (H1)
~ min. 10C
saxorum (H1)
~ min. 10C
'Snow White' (H1)
~ min. 10C
'Stella' (H1)
~ min. 10C
'Susan' (H1)
~ min. 10C
'Tina' (H1)
~ min. 10C
jamesonii (H1)
~ min. 2C
Strobilanthes (Acanthaceae)
'Albatross' (H1)
~ min. 10C
'Amanda' Dibley (H1)
'Bethan' (H1)
~ min. 10C
'Carys' (H1)
~ min. 10C
'Catrin' (H1)
~ min. 10C
'Chorus Line' (H1)
93
dyeriana (v) (H1)
~ min. 10C
Stromanthe (Marantaceae)
93
sanguinea var. spectabilis (H1)
~ min. 15C
Stylidium (Stylidiaceae)
93
67
crassifolium (H2)
~ min. 2C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Styrax (Styracaceae)
93
93
02
93
93
hemsleyanus (H4)
japonicus (H4)
—Benibana Group (H4)
obassia (H4)
93
93
Sulcorebutia (Cactaceae)
93
93
93
93
93
93
93
93
93
93
arenacea (H1)
~ min. 2-10C
candiae (H1)
~ min. 2-10C
canigueralii (H1)
~ min. 2-10C
crispata (H1)
~ min. 2-10C
flavissima (H1)
~ min. 2-10C
glomeriseta (H1)
~ min 2-10C
mentosa (H1)
~ min. 2-10C
mizquensis (H1)
~ min. 2-10C
steinbachii (H1)
~ min. 2-10C
tunariensis (H1)
~ min. 2-10C
93
93
93
93
93
93
93
93
Tamarix (Tamaricaceae)
93
93
93
93
02
caucasicum (H4)
× uplandicum 'Variegatum' (v) (H4)
Syngonium (Araceae)
93
93
93
93
93
93
93
93
93
93
93
01
93
93
93
distichum (H4)
—var. imbricatum 'Nutans' (H4)
Taxus (Taxaceae)
× hyacinthiflora 'Esther Staley' (H4)
× josiflexa 'Bellicent' (H4)
meyeri var. spontanea 'Palibin' (H4)
× persica (H4)
—'Alba' (H4)
× prestoniae 'Elinor' (H4)
pubescens subsp. microphylla 'Superba' (H4)
~ awarded as S. microphylla 'Superba'
—subsp. patula 'Miss Kim' (H4)
vulgaris 'Andenken an Ludwig Späth' (H4)
—'Charles Joly' (d) (H4)
—'Firmament' (H4)
—'Katherine Havemeyer' (d) (H4)
—'Madame Lemoine' (d) (H4)
—'Mrs Edward Harding' (d) (H4)
—'Vestale' (H4)
93
93
93
93
93
93
93
93
93
93
93
baccata (H4)
~ male and female flowers are usually borne on
separate plants
—'Adpressa Variegata' (m/v) (H4)
—'Dovastoniana' (f) (H4)
—'Dovastonii Aurea' (m/v) (H4)
—'Fastigiata' (f) (H4)
—'Fastigiata Aureomarginata' (m/v) (H4)
—'Repandens' (f) (H4)
—'Repens Aurea' (v) (H4)
—'Semperaurea' (m) (H4)
—'Standishii' (f) (H4)
× media 'Hicksii' (f) (H4)
Tecoma (Bignoniaceae)
93
Tagetes (Asteraceae)
01
coccineum 'Eileen May Robinson' (H4)
—'James Kelway' (H4)
ptarmiciflorum (H3-4)
Taxodium (Cupressaceae)
podophyllum (H1)
~ min. 10C
Syringa (Oleaceae)
93
93
93
93
93
93
93
ramosissima 'Rubra' (H4)
tetrandra (H4)
Tanacetum (Asteraceae)
Symphytum (Boraginaceae)
02
93
—'Disco Yellow' (H3)
~ dwarf French marigold
—'Discovery' (H3)
~ African marigold
—'Hero Orange' (H3)
~ dwarf French marigold
—'Honeycomb' (H3)
~ dwarf French marigold
—'Perfection' (H3)
~ African marigold
—'Queen Sophia' (H3)
~ dwarf French marigold
—'Safari Mixture' (H3)
~ dwarf French marigold
—'Safari Scarlet' (H3)
~ dwarf French marigold
—'Safari Tangerine' (H3)
~ dwarf French marigold
—'Tiger Eyes' (King; Marshall) (H3)
~ dwarf French marigold
—'Zenith Lemon Yellow' (H3)
~ dwarf French marigold
capensis (H1)
~ min. 10C
Tecophilaea (Tecophilaeaceae)
Gold Coins Series (H3)
~ African marigold, sold as a mixture
'Inca Orange' (Inca Series) (H3)
patula 'Aurora Light Yellow' (H3)
~ dwarf French marigold
—'Dainty Marietta' (H3)
~ dwarf French marigold
—'Disco Orange' (H3)
~ dwarf French marigold
93
93
cyanocrocus (H2)
—'Leichtlinii' (H2)
Tetranema (Scrophulariaceae)
93
roseum (H1)
~ min. 2C
Tetrapanax (Araliaceae)
93
68
papyrifer (H2-3)
~ min. 2C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Tetrastigma (Vitaceae)
93
93
93
93
93
93
voinierianum (H1)
~ min. 15C
Teucrium (Lamiaceae)
93
fruticans 'Azureum' (H3)
Tillandsia (Bromeliaceae)
Thalictrum (Ranunculaceae)
93
93
93
93
02
aquilegiifolium 'Thundercloud' (H4)
delavayi (H4)
—'Hewitt's Double' (d) (H4)
flavum subsp. glaucum (H4)
02
93
Thelocactus (Cactaceae)
93
93
bicolor (H1)
~ min. 2-10C
setispinus (H1)
~ min. 2-10C
02
93
occidentalis 'Danica' (H4)
—'Holmstrup' (H4)
—'Lutea Nana' (H4)
—'Rheingold' (H4)
—'Smaragd' (H4)
plicata 'Atrovirens' (H4)
—'Aurea' (H4)
—'Fastigiata' (H4)
—'Irish Gold' (v) (H4)
—'Stoneham Gold' (H4)
02
93
93
93
93
93
93
93
93
93
93
dolabrata (H4)
93
93
93
93
grandiflora (H1)
~ min. 10C
gregorii (H1+3)
~ min. 5C
mysorensis (H1)
~ min. 15C
93
93
× citriodorus 'Silver Queen' (v) (H4)
Coccineus Group (H4)
~ sometimes listed incorrectly under T. serpyllum
polytrichus subsp. britannicus 'Thomas's White'
(H4)
~ sometimes listed incorrectly under T. serpyllum;
previously listed as T. polytrichus subsp.
britannicus 'Albus'
pulegioides 'Aureus' (H4)
~ awarded as T. x citriodorus 'Aureus'
—'Bertram Anderson' (H4)
~ awarded as T. x citriodorus 'Bertram Anderson'
serpyllum 'Pink Chintz' (H4)
~ sometimes listed incorrectly under T. serpyllum
93
02
93
93
93
93
93
93
cordifolia (H4)
wherryi (H4)
(Andersoniana Group) 'Isis' (H4)
(Andersoniana Group) 'J.C. Weguelin' (H4)
(Andersoniana Group) 'Osprey' (H4)
cerinthoides 'Variegata' (v) (H1)
~ min. 2C
fluminensis 'Aurea' (H1)
~ min. 2C
—'Quicksilver' (v) (H1)
~ min. 2C
—'Tricolor Minima' (H1)
~ min. 2C
pallida (H2-3)
—'Purpurea' (H2-3)
~ awarded as T. pallida 'Purple Heart'
sillamontana (H1)
~ min. 2C
spathacea 'Vittata' (H1)
~ min. 10C
zebrina (H1)
~ min. 2C
—'Purpusii' (H1)
~ min. 2C
—'Quadricolor' (v) (H1)
~ min. 2C
Trichodiadema (Aizoaceae)
02
urvilleana (H1)
~ min. 10C
02
Tilia (Tiliaceae)
93
93
fortunei (H3-4)
Tradescantia (Commelinaceae)
Tibouchina (Melastomataceae)
93
asiaticum (H2-3)
jasminoides (H2-3)
—'Variegatum' (v) (H2-3)
Trachycarpus (Arecaceae)
Tiarella (Saxifragaceae)
93
93
caeruleum (H1)
~ min. 2C
Trachelospermum (Apocynaceae)
Thymus (Lamiaceae)
93
93
menziesii 'Taff's Gold' (v) (H4)
~ valued in particular as a pot plant under glass
Trachelium (Campanulaceae)
Thunbergia (Acanthaceae)
93
calcarea (H1)
~ min. 2C
Tolmiea (Saxifragaceae)
Thujopsis (Cupressaceae)
93
argentea (H1)
~ min. 15C
cyanea (H1)
~ min. 15C
lindenii (H1)
~ min. 15C
Titanopsis (Aizoaceae)
Thuja (Cupressaceae)
93
93
93
93
93
93
93
93
93
93
× euchlora (H4)
× europaea 'Wratislaviensis' (H4)
'Petiolaris' (H4)
platyphyllos 'Rubra' (H4)
tomentosa 'Brabant' (H4)
cordata (H4)
—'Greenspire' (H4)
69
densum (H1)
~ min. 2C
stellatum (H1)
~ min. 2C
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
Tricyrtis (Convallariaceae)
93
97
95
97
97
93
99
93
95
95
93
99
95
93
95
99
97
97
93
95
97
93
93
95
95
93
97
97
97
93
99
99
95
93
93
97
93
99
99
99
99
97
99
97
99
95
93
95
95
99
93
97
93
93
97
97
93
93
93
93
95
93
99
93
93
formosana (H4)
Trillium (Trilliaceae)
93
93
93
93
93
93
chloropetalum var. giganteum (H4)
erectum (H4)
grandiflorum (H4)
—'Flore Pleno' (d) (H4)
luteum (H4)
rivale (H3)
Tritonia (Iridaceae)
02
crocata (H2-3)
Trollius (Ranunculaceae)
93
93
93
93
chinensis 'Golden Queen' (H4)
× cultorum 'Goldquelle' (H4)
—'Orange Princess' (H4)
—'Superbus' (H4)
Tropaeolum (Tropaeolaceae)
93
93
02
93
93
93
93
93
ciliatum (H1)
~ min. 2C
majus Alaska Series (v) (H3)
~ sold as a mixture
—'Darjeeling Double' (d) (H4)
—'Hermine Grashoff' (d) (H2-3)
~ min. 2C
speciosum (H4)
tricolor (H1)
~ min. 2C
tuberosum var. lineamaculatum 'Ken Aslet' (H3)
Whirlybird Series (H3)
~ sold as a mixture
Tsuga (Pinaceae)
93
93
93
canadensis 'Jeddeloh' (H4)
—'Pendula' (H4)
heterophylla (H4)
Tulipa (Liliaceae)
97
93
97
97
93
99
95
93
99
93
93
97
95
95
93
95
93
95
99
97
97
93
95
95
99
95
'Addis' (14) (H4)
'Alfred Cortot' (12) (H4)
'Ali Baba' (14) (H4)
altaica (15) (H4)
'Ancilla' (12) (H4)
'Angélique' (11) (H4)
'Antonio Moro' (3) (H4)
'Apeldoorn's Elite' (4) (H4)
'Apricot Beauty' (1) (H4)
'Apricot Parrot' (10) (H4)
'Aristocrat' (5) (H4)
'Arma' (7) (H4)
'Artist' (8) (H4)
'Astarte' (3) (H4)
aucheriana (15) (H4)
'Baby Doll' (2) (H4)
'Ballade' (6) (H4)
'Ballerina' (6) (H4)
'Barcelona' (3) (H4)
'Bella Vista' (14) (H4)
'Ben van Zanten' (3) (H4)
'Big Chief' (4) (H4)
'Black Diamond' (5) (H4)
'Black Parrot' (10) (H4)
'Blue Bell' (3) (H4)
'Blue Heron' (7) (H4)
70
'Buttercup' (14) (H4)
'Calgary' (3) (H4)
'Calypso' (14) (H4)
'Candela' (13) (H4)
'Capri' (4) (H4)
'Carnaval de Nice' (11/v) (H4)
'China Lady' (14) (H4)
'China Pink' (6) (H4)
'China Town' (8) (H4)
clusiana var. chrysantha (15) (H4)
—'Cynthia' (15) (H4)
'Companion' (3) (H4)
'Corsage' (14) (H4)
'Cruquius' (3) (H4)
'Crystal Beauty' (7) (H4)
'Czaar Peter' (H4)
'Daydream' (4) (H4)
'Demeter' (3) (H4)
'Don Quichotte' (3) (H4)
'Donald Duck' (14) (H4)
'Donna Bella' (14) (H4)
'Dover' (4) (H4)
'Dreamland' (5) (H4)
'Dynamite' (3) (H4)
'Early Harvest' (12) (H4)
'Early Star' (14) (H4)
'Easter Moon' (13) (H4)
'Easter Surprise' (14) (H4)
'Engadin' (14) (H4)
'Esperanto' (8/v) (H4)
'Etude' (3) (H4)
'Fancy Frills' (7) (H4)
'Fantasy' (10) (H4)
'Fidelio' (3) (H4)
'Fire Queen' (3) (H4)
'First Lady' (3) (H4)
'Flaming Youth' (13) (H4)
'Fringed Beauty' (7) (H4)
'Fringed Elegance' (7) (H4)
'Friso' (3) (H4)
'Garden Party' (3) (H4)
'Gerbrand Kieft' (11) (H4)
'Glück' (12) (H4)
'Grand Prestige' (14) (H4)
'Grand Style' (5) (H4)
'Halcro' (5) (H4)
'Hamilton' (7) (H4)
'Heart's Desire' (3) (H4)
'Holberg' (3) (H4)
'Hollands Glorie' (4) (H4)
'Ivory Floradale' (4) (H4)
'Jeantine' (12) (H4)
'Jewel of Spring' (4) (H4)
'Juan' (13) (H4)
'Julius Caesar' (14) (H4)
'Keizerskroon' (1) (H4)
'Kingsblood' (5) (H4)
kolpakowskiana (15) (H4)
'Koningin Wilhelmina' (4) (H4)
'Lambada' (7) (H4)
'Landseadel's Supreme' (5) (H4)
'Lily Schreyer' (3) (H4)
linifolia (15) (H4)
—Batalinii Group (15) (H4)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
95
97
97
97
97
93
93
99
95
93
93
99
93
93
99
93
97
99
97
93
97
97
95
93
95
97
97
93
99
99
93
95
93
97
95
97
97
93
93
93
95
95
97
97
93
97
95
95
93
97
97
93
95
93
95
97
95
99
93
99
93
93
93
—(Batalinii Group) 'Bright Gem' (15) (H4)
'Little Beauty' (15) (H4)
'Longfellow' (14) (H4)
'Marina' (14) (H4)
'Marit' (4) (H4)
'Marjolein' (6) (H4)
'Maureen' (5) (H4)
'Maywonder' (11) (H4)
'Mieke Bos' (3) (H4)
'Mirella' (3) (H4)
'Monte Carlo' (2) (H4)
'Monte Rosa' (3) (H4)
'Most Miles' (3) (H4)
'Mrs John T. Scheepers' (5) (H4)
'Musical' (3) (H4)
'My Lady' (4) (H4)
'Odia' (14) (H4)
'Ollioules' (4) (H4)
'Olympic Flame' (4) (H4)
'Orange Bouquet' (3) (H4)
'Orange Emperor' (13) (H4)
'Orange Princess' (11) (H4)
'Orange Surprise' (3) (H4)
'Oranje Nassau' (2) (H4)
'Oranjezon' (4) (H4)
'Oratorio' (14) (H4)
'Oriental Beauty' (14) (H4)
'Oriental Splendour' (14) (H4)
'Orleans' (3) (H4)
orphanidea Whittallii Group (15) (H4)
'Oxford' (4) (H4)
'Parabole' (7) (H4)
'Parade' (4) (H4)
'Perfectionist' (14) (H4)
'Picture' (5) (H4)
'Pink Impression' (4) (H4)
'Pink Sensation' (14) (H4)
'Plaisir' (14) (H4)
praestans 'Fusilier' (15) (H4)
'President Kennedy' (4) (H4)
'Prince Charles' (3) (H4)
'Princess Victoria' (3) (H4)
'Princesse Charmante' (14) (H4)
'Prins Carnaval' (1) (H4)
'Prinses Irene' (3) (H4)
'Purissima' (13) (H4)
'Queen of Bartigons' (5) (H4)
'Queen of Sheba' (6) (H4)
'Red Georgette' (5) (H4)
'Red Impression' (PBR) (4) (H4)
'Red Paradise' (1) (H4)
'Red Riding Hood' (14) (H4)
'Red Shine' (6) (H4)
'Red Surprise' (14) (H4)
'Red Wing' (7) (H4)
'Rosanna' (14) (H4)
saxatilis (Bakeri Group) 'Lilac Wonder' (15)
(H4)
'Sevilla' (3) (H4)
'Showwinner' (12) (H4)
'Smyrna' (14) (H4)
'Sorbet' (5) (H4)
sprengeri (15) (H4)
'Spring Green' (8) (H4)
93
93
99
93
99
93
99
95
93
99
93
97
97
93
95
93
99
99
97
95
95
95
95
99
97
97
93
'Stockholm' (2) (H4)
'Stresa' (12) (H4)
'Strong Gold' (3) (H4)
'Sweet Harmony' (5) (H4)
'Synaeda King' (6) (H4)
tarda (15) (H4)
'Ted Turner' (H4)
'Telecom' (3) (H4)
'Temple of Beauty' (5) (H4)
'Tender Beauty' (4) (H4)
'Toronto' (14) (H4)
'Toulon' (13) (H4)
'Trinket' (14) (H4)
turkestanica (15) (H4)
'Union Jack' (5) (H4)
urumiensis (15) (H4)
'Valentine' (3) (H4)
'Vivex' (4) (H4)
vvedenskyi 'Tangerine Beauty' (15) (H4)
'West Point' (6) (H4)
'White Triumphator' (6) (H4)
'Wildhof' (3) (H4)
'Wirosa' (11) (H4)
'World Expression' (5) (H4)
'Yellow Dover' (4) (H4)
'Yellow Purissima' (13) (H4)
'Zampa' (14) (H4)
Tweedia (Asclepiadaceae)
93
caerulea (H2)
Ulex (Papilionaceae)
93
europaeus 'Flore Pleno' (d) (H4)
Uvularia (Convallariaceae)
93
grandiflora (H4)
Vaccinium (Ericaceae)
93
93
93
93
corymbosum (F) (H4)
cylindraceum (H4)
glaucoalbum (H3-4)
vitis-idaea Koralle Group (H4)
Veltheimia (Hyacinthaceae)
93
93
bracteata (H1)
~ min. 2C
capensis (H1)
~ min. 10C
Veratrum (Melanthiaceae)
93
nigrum (H4)
Verbascum (Scrophulariaceae)
02
93
93
93
93
93
93
chaixii 'Album' (H4)
(Cotswold Group) 'Cotswold Beauty' (H4)
(Cotswold Group) 'Gainsborough' (H4)
(Cotswold Group) 'Pink Domino' (H4)
dumulosum (H2-3)
'Golden Wings' (H2-3)
'Letitia' (H3)
Verbena (Verbenaceae)
02
01
93
01
01
01
71
bonariensis (H3-4)
canadensis 'Toronto' (G) (H3)
'Lawrence Johnston' (G) (H3)
'Moon River' (H3)
'Peaches and Cream' (G) (H3)
Quartz Series (H3)
~ awarded to the mixture sold as 'Bunting'
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
93
93
rigida (H3)
~ re-confirmed after trial 2001
Sandy Series (G) (H3)
~ sold as a mixture; re-confirmed after trial 2001
'Silver Anne' (G) (H3)
'Sissinghurst' (G) (H2-3)
93
93
93
93
93
99
Veronica (Scrophulariaceae)
93
93
93
93
93
97
93
austriaca subsp. teucrium 'Crater Lake Blue'
(H4)
——'Royal Blue' (H4)
cinerea (H4)
gentianoides (H4)
prostrata (H4)
—'Spode Blue' (H4)
'Shirley Blue' (H4)
93
93
93
93
93
93
93
93
93
Vestia (Solanaceae)
93
foetida (H1)
~ min. 2C
99
Viburnum (Caprifoliaceae)
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
02
93
× bodnantense 'Charles Lamont' (H4)
—'Dawn' (H4)
—'Deben' (H4)
× burkwoodii 'Anne Russell' (H4)
—'Fulbrook' (H4)
—'Park Farm Hybrid' (H4)
× carlcephalum (H4)
carlesii 'Aurora' (H4)
cinnamomifolium (H3)
davidii (H4)
~ male or several plants are required for the
production of fruit
farreri (H4)
furcatum (H4)
× hillieri 'Winton' (H4)
× juddii (H4)
opulus 'Compactum' (H4)
—'Notcutt's Variety' (H4)
—'Roseum' (H4)
—'Xanthocarpum' (H4)
plicatum 'Mariesii' (H4)
—'Pink Beauty' (H4)
'Pragense' (H4)
sargentii 'Onondaga' (H4)
tinus 'Eve Price' (H4)
—'French White' (H4)
—'Gwenllian' (H4)
99
99
02
99
02
99
Vitis (Vitaceae)
93
93
93
93
93
93
93
93
difformis (H3-4)
major 'Variegata' (v) (H4)
minor f. alba (H4)
——'Gertrude Jekyll' (H4)
—'Argenteovariegata' (v) (H4)
—'Atropurpurea' (H4)
—'Azurea Flore Pleno' (d) (H4)
—'La Grave' (H4)
duvaliana (H1)
~ min. 15C
fosteriana (H1)
~ min. 15C
psittacina (H1)
~ min. 10C
saundersii (H1)
~ min. 15C
splendens (H1)
~ min. 15C
Washingtonia (Arecaceae)
93
filifera (H1)
~ min. 2C
Weigela (Caprifoliaceae)
93
93
93
02
Viola (Violaceae)
93
93
93
93
93
93
'Brant' (O/B) (H4)
coignetiae (H4)
vinifera 'Purpurea' (O/B) (H4)
Vriesea (Bromeliaceae)
Vinca (Apocynaceae)
02
93
02
93
93
93
93
93
cucullata (H4)
'Huntercombe Purple' (Va) (H4)
'Inverurie Beauty' (Va) (H4)
'Jackanapes' (Va) (H4)
Joker Series (P) (H4)
~ sold as a mixture
'Juliette Blue, Pale Wings' (H4)
~ small flowered
'Little David' (Vtta) (H4)
'Lorna' (Va) (H4)
'Maggie Mott' (Va) (H4)
'Martin' (Va) (H4)
'Molly Sanderson' (Va) (H4)
'Moonlight' (Va) (H4)
'Nellie Britton' (Va) (H4)
odorata 'Wellsiana' (Vt) (H4)
Princess Series (H4)
~ sold as a mixture
'Sorbet Blueberry Cream' (Sorbet Series) (H4)
~ small flowered
'Sorbet Yellow Delight' (Sorbet Series) (H4)
~ small flowered
'Sorbet Yellow Frost' (Sorbet Series) (H4)
~ small flowered
sororia 'Albiflora' (H4)
'Splendid Blue and Yellow' (H4)
~ small flowered
Universal Plus Series (H4)
~ sold as a mixture
'Velour Purple and White' (Velour Series) (H4)
~ small flowered
'Aspasia' (Va) (H4)
'Beshlie' (Va) (H4)
'Clementina' (Va) (H4)
cornuta (H4)
—Alba Group (H4)
—'Minor' (H4)
florida 'Foliis Purpureis' (H4)
'Florida Variegata' (v) (H4)
'Praecox Variegata' (v) (H4)
'Red Prince' (H4)
Weingartia (Cactaceae)
93
93
72
multispina (H1)
~ min. 2-10C
neocumingii (H1)
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB
93
93
~ min. 2-10C
pilcomayensis (H1)
~ min. 2-10C
pulquinensis (H1)
~ min. 2-10C
02
02
02
02
02
02
02
Westringia (Lamiaceae)
93
fruticosa (H1)
~ min. 10C
'Dreamland Yellow' (Dreamland Series) (H1+3)
'Oklahoma Mixed' (Oklahoma Series) (H1+3)
'Peter Pan Gold' (Peter Pan Series) (H1+3)
'Profusion Orange' (PBR) (H1+3)
'Profusion White' (H1+3)
'Short Stuff Orange' (Short Stuff Series) (H1+3)
'Starbright Orange' (Starbright Series) (H1+3)
Wisteria (Papilionaceae)
93
93
93
93
93
floribunda 'Alba' (H4)
—'Multijuga' (H4)
—'Rosea' (H4)
sinensis (H4)
—'Alba' (H4)
Woodsia (Woodsiaceae)
97
polystichoides (H4)
Woodwardia (Blechnaceae)
93
radicans (H3)
~ min. 2C
Xanthoceras (Sapindaceae)
93
sorbifolium (H3-4)
Xerochrysum (Asteraceae)
93
02
bracteatum 'Bright Bikini Mixed' (H3)
—Chico Series (H3)
~ sold as a mixture
Yucca (Agavaceae)
93
93
93
93
93
93
93
93
93
elephantipes (H1)
~ min. 2C
filamentosa (H4)
—'Bright Edge' (v) (H3)
—'Variegata' (v) (H3)
flaccida 'Golden Sword' (v) (H3)
—'Ivory' (H3-4)
gloriosa (H4)
—'Variegata' (v) (H4)
recurvifolia (H4)
Zantedeschia (Araceae)
93
97
93
93
93
aethiopica (H3)
—'Crowborough' (H3)
—'Green Goddess' (H3)
elliottiana (H1)
~ min. 2C
rehmannii (H1)
~ min. 2C
Zauschneria (Onagraceae)
93
02
californica 'Dublin' (H3)
—'Western Hills' (H4)
Zelkova (Ulmaceae)
93
serrata (H4)
Zephyranthes (Amaryllidaceae)
02
grandiflora (H2-3)
Zinnia (Asteraceae)
02
02
02
02
02
02
'Benary's Giant Lilac' (Benary's Giants Series)
(H1+3)
'Dasher Orange' (Dasher Series) (H1+3)
'Dasher Pink' (Dasher Series) (H1+3)
'Dreamland Mixed' (Dreamland Series) (H1+3)
'Dreamland Rose' (Dreamland Series) (H1+3)
'Dreamland Scarlet' (Dreamland Series) (H1+3)
73
Copyright © The Royal Horticultural Society 2003 • www.rhs.org.uk • Please direct queries to AGM Plants, Botany Dept, RHS Garden Wisley, GU23 6QB

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