Barberry - Melinda Myers

Transcription

Barberry
Family: Berberidaceae
Genera: Berberis
www.melindamyers.com ! horticulture expert, author & columnist, tv & radio personality
Berberis
• Berberis thunbergii Japanese Barberry
• Berberis thunbergii atropurpurea Redleaf Japanese Barberry
• Berberis thunbergii atropurpurea
‘Crimson Pygmy’ Crimson Pygmy Barberry
Berberis thunbergii Japanese Barberry
• Leaves- Alternate, simple, spoon
shaped, glossy, green above (appear
whorled), one of the 1st shrubs to leaf
out in spring
• Bud- small, ovoid, on spurs
• Twig- reddish brown, angled, grooved,
fine spines - chartreuse pith
• Bark- older stems, gray and crackled
• Flower - perfect, yellow, early
May, not usually showy (flowers
under leaves)
• Fruit - red ellipsoid berries
(cinnamon tic tacs)
• Fall Color- orange, scarlet, red
• Size- 3 to 6’ by 4 to 7’
• Form/Growth Habit - dense
rounded shrub
• Growth Rate- medium
• Culture- easily transplanted from
container, adaptable, urban and
drought tolerant, not wet, full sun
bacterial leaf spot, anthracnose,
wilt (usually pest free)
• Zones - 4 to 8
• Use- barrier, hedge, foundation
Berberis thunbergii - Cultivars
• Berberis thunbergii atropurpurea - redpurple leaf color all season - good red
in fall (seedling variability), flowers
tinged purple
• Berberis thunbergii atropurpurea
‘Crimson Pygmy’ - 1.5-2’ by 2.5-3’
wide, red-purple foliage, short
internodes
• Best leaf color in full sun
Dogwoods
• Family: Cornaceae
• Genus: Cornus
Cornaceae
• Cornus alba ‘Argenteo-marginata’Creamy edged Tatarian Dogwood
• Cornus alternifolia - Pagoda Dogwood
• Cornus mas - Corneliancherry
Dogwood
• Cornus racemosa - Gray Dogwood
• Cornus sericea - Redoiser, Redtwig
Dogwood (Cornus stolonifera)
Cornus Traits
• Opposite leaves
• Leaf veins approach but never
reach margin
• Entire leaf margin
• fibrous vascular threads (break
leaf in two, but still attached)
• valvate buds (clasping hands)
Cornus alba ‘Argenteo-marginata’
• Leaves- Opposite, simple, ovate, veins
run along entire leaf margin, graygreen with irregular creamy-white leaf
margins
• Bud- valvate, pubescent, red-brownblack
• Twig- red with white lenticels - redder
in winter, green-red in summer
• Bark- Turns brown w/ age
• Flower - perfect, yellowish - white,
May-June, flat-topped cymes,
(10 days) somewhat effective
• Fruit - white, drupe June-July not
persistent
• Fall Color- reddish-purple
• Size- 6-8’ tall and wide
• Form/Growth Habit - erect when
young arching w/ age
• Growth Rate- fast
• Often listed as C. eligantissima or C.
alba ‘Eligantissima’ and confused
with Cornus alba ‘Variegata’ (Var.
has greener leaves and more vigor)
• Culture- easily transplanted (BR,
container), prefers moist, welldrained, adaptable, sun (may scorch)
part shade to shade canker, flower,
twig and leaf blights, scale, prune out
older canes
• Zones - 3-7
• Use - specimen, foundation, shade
Cornus alternifolia
• Leaves- Alternate, but crowded
near tips. green, typical dogwood
shape
• Bud- valvate - blends with twig
• Twig-green to dark purple, shiny,
branchlets reach to sky, antlers
• Bark- smooth, dark with lenticels
Cornus alternifolia
• Flower -May, early June,
yellowish-white, sickenly fragrant,
(7-10 days), flat topped cymes
• Fruit -drupe, green-red - bluish
black w/persistent red pedicels
• Fall Color- usually not great,
reddish-purple
Cornus alternifolia
• Size- 15-25’ tall by up to 20’ wide
• Form/Growth Habit - horizontal,
spreading, low branched tree
(large shrub)
• Growth Rate- slow initially, then
medium
Cornus alternifolia
• Culture- transplant young, , moist
well-drained, part shade (mulched
soils), golden canker, leaf spots,
twig blights
• Zones - 3-7
• Use - NATIVE, naturalizing,
specimen, growth habit
Cornus mas
• Leaves- Opposite, simple,
dogwood-like
• Bud-floral buds (axillary)- pearl
onions or peas, foliar-valvate,
greenish w/hairs
• Twig-slender, angled, often red
above, green below
• Bark- exfoliating, gray-brown to a
rich brown
Cornus mas
• Flower - late March, yellow,
(3 weeks+)
• Fruit - red, elongated cherries
(July into early fall), edible by
birds and people
• Fall Color- leaves usually drop
green, occassionally purplish-red
Cornus mas
• Size- 20-25’ tall by 15-20’ wide
• Form/Growth Habit multistemmed shrub or small tree
with oval-round outline
• Growth Rate- medium
Cornus mas
• Culture-transplant young (B&B)
adaptable to wide range of soils &
pH, prefers moist well-drained
soils, no serious pests
• Zones - 4-7(8)
• Use - specimen, screen, hedge,
foundation around large building
Cornus racemosa
• Leaves- Opposite, simple,
narrow-elliptic to lanceolate
• Bud-floral is terminal and more
plump than foliar - valvate and
almost hidden by leaf scar
• Twig-slender, angular, tan to
reddish brown
• Bark- gray and smooth
Cornus racemosa
• Flower - late May early June,
whitish, cymose-panicles on each
stem
• Fruit - white with black dot and
persistent red pedicels (doll eyes),
favorite of 100+ types of birds (red
cloud over gray twigs)
• Fall Color-reddish-purple (not
always effective)
Cornus racemosa
• Size-10-15’ tall and wide
• Form/Growth Habit multistemmed and erect suckers/colonizes
• Growth Rate- slow from old wood,
shoots that develop from roots fast (suckers grow fast)
Cornus racemosa
• Culture- transplants well,
adaptable, wet- dry soils,
SUCKERS/COLONIZES, no
serious pests
• Zones - 3b to 8
• Use - NATIVE, naturalized,
border, massed, groups, near
large buildings, in tough areas
Cornus sericea
• Leaves- Opposite, simple, typical
dogwood
• Bud- same as Cornus alba
• Twig-same as C. alba but fewer
lenticels per internode
• Bark- older stems turn brown with
age - prune out to maintain red
Cornus sericea
• Flower -late May-early June, dull
white, flat topped cyme, sporatic
through summer
• Fruit - Aug-Sept (not persist),
white drupes
• Fall Color- reddish-purple usually
good
Cornus sericea
• Size- 7-9’ tall by up to 10’ wide
• Form/Growth Habit stoloniferous, broad spreading,
rounded with many upright stems
• Growth Rate- fast
Cornus sericea
• Culture- easily moved BR, B&B,
container, adaptable, prefers moist
seen in swamps, twig canker,
septoria leaf spot, scales
• Zones - 2 to 7
• Use- NATIVE, massing, erosion/
bank stabilization, winter interest
Buckthorn
• Family: Rhamnaceae
• Genus: Rhamnus
Rhamnaceae
• Rhamnus cathartica Common Buckthorn
• Rhamnus frangula Glossy Buckthorn
Rhamnus cathartica
• Leaves- subopposite, simple, strong
venation, looks like dogwood (serrate
leaf margins), persist into late fall
• Bud- black, appressed, buck’s hooves
• Twig- slender, gray to brown, slender
spine at tip (thorn)
• Bark - smooth, brown w/ lenticels
(prunus-like)
Rhamnus cathartica
• Flower - May, yellowish green
umbels at base of young shoot,
usually dioecious
• Fruit - black, berry-like drupe,
lots of them, cathartic, birds love
& spread (not good for birds)
• Fall Color- leaves drop green - late
Rhamnus cathartica
• Size-18-25’ tall and wide
• Form/Growth Habit - large shrub
or small tree, suckers to form
thicket
• Growth Rate- medium to fast
Rhamnus cathartica
• Culture- easily transplanted,
adapted to wide range of
conditions, urban tolerant
• Zones - 3 to 7
• Use - INVASIVE, remove, do not
plant (propagators may explore
male clones?)
Rhamnus frangula
• Leaves- Alternate, simple, wider than R.
cathartica (Alder-like), wavy entire leaf
margin, strong veins
• Bud- naked buds - hairy no scales (gas
flame)
• Twig- slender, new growth pubescent
• Bark- smooth,gray with rectangular
lenticels
Rhamnus frangula
• Flower - May, creamy-green in
leaf axils, NE, bees love
• Fruit - July-Sept, berry-like drupe
(2 seeds), red to purple-black,
fewer than R. cathartica
• Fall Color- green to greenishyellow
Rhamnus frangula
• Size- 10-12’ tall by 8-12’ wide
• Form/Growth Habit - upright,
spreading shrub
• Growth Rate-medium to fast
Rhamnus frangula
• Culture- transplants well,
adaptable, sun to part shade,
tough, tuberculin canker (cold
weather), wilt
• Zones - 3 to 7
• Use- Finding it is also invasive still sold for hedging, screens in
narrow urban locations
Rhamnus frangula Cultivars
• ‘Columnaris’ - ‘Tallhege’ Tallhedge Buckthorn - most
frequently used, narrowly upright,
twisted growth, hedge for tight
spots
• ‘Asplenifolia’ - Cutleaf Buckthorn,
narrow (willow-like) leaves with
irregular leaf margin, fine texture,
mixed reviews on reseeding issue

Barberry - Melinda Myers

Transcription

Similar documents

Cornus `Milky Way`.

Rose Family - Shrubs

Personality Disorders

May 2014 - Virginia Tech Department of Horticulture

Eysenck`s trait theory - The Grange School Blogs

Grow Green Guide Garden Design

SLIM ad - The National institute for Marketing in Sri Lanka

Seeds - Virginia Tech Department of Horticulture

Miss Congeniality: