PDF - Woody Plants Database

Woody Plants Database [http://woodyplants.cals.cornell.edu]
Species: Mahonia aquifolium
(Ma-hoe'ni-ah a-kwi-fo'lee-um)
Oregon Grapeholly
Cultivars
'Apollo', 'Compactum', 'Cosmo Crawl', 'Emerald', 'King's Ransom', 'Orange Flame'
Ornamental Characteristics
Environmental Characteristics
Size: Shrub 4 to 8 feet
Light: Part shade
Height: 3' - 6' (equal spread)
Hardy To Zone: 5b
Leaves: Evergreen
Soil Ph: Can tolerate acid to neutral soil (pH
5.0 to 7.4)
Shape: variable - mounded to
upright
Salt Tolerance:
Ornamental Other: prefers shade
and shelter from winter sun and
wind
Environmental Other: broadleaf evergreen;
leaves emerge bright green or bronzy
orange turning to dark green in summer,
bronze purple in fall; fragrant yellow flowers
open in March; grape-like fruit ripen in
summer
Moisture Tolerance:
Consistently moist, well-drained soil;
Occasional periods of dry soil
See graphic below
Insect Disease
Additional Other
relatively trouble free; possible
problems caused by leaf rusts, leaf
spots, leaf scorch, barberry aphid,
scale, whitefly
native to Pacific Northwest from British
Columbia to Oregon; transplant B & B or
from container; treat as a groundcover in
colder climates; popularized by Lewis and
Clark
Moisture Tolerance
Occasionally saturated or
very wet soil
Consistently moist, welldrained soil
Occasional periods of dry
soil
Prolonged periods of dry
soil
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Woody Plants Database [http://woodyplants.cals.cornell.edu]
Photos
Mahonia aquifolium - Habit
Mahonia aquifolium - Flowers
Mahonia aquifolium - Leaves, Fruit
Mahonia aquifolium - Leaves, Fruit Mahonia aquifolium - Leaves
Mahonia aquifolium - Buds
Mahonia aquifolium - Leaves
Mahonia aquifolium - Fruit
Mahonia aquifolium - Habit
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Woody Plants Database [http://woodyplants.cals.cornell.edu]
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