Botanical Name: Mahonia aquifolium
Common Name: Oregon Grape
Type of Plant: dicot: shrub
Character evergreen
 
Habit of Growth:
Overall Shape upright, clumping habit of several slender cane-like stems with horizontal foliage - forms a loose, open shape - spreads by underground stems
Height 3' - 6'
Spread 3' - 4'
Growth Rate slow-moderate
 
Environment:
Exposure outdoors best in partial sun, tolerates any exposure
Soil prefers loam, tolerates most
Hardiness hardy (zones 1-21); prefers cool habitats
 
Morphology:
Leaves odd, pinnately compound, alternate, 4-10" long, 5-9 leaflets, spiny-toothed, red when young, turning green
Flowers yellow, 2-4" long, terminal spikes in early spring
Fruit small, 1/4", blue berry - can be made into preserves
 
Propagation:
seed, division of plant; semihardwood cuttings
 
Usage:
excellent filler for form, foliage, structure and flowers; woodsy landscapes informal landscapes; barrier or low screen
 
Landscape Care:
Watering prefers regular
Fertilizing balanced in spring
Pruning head back longest canes to promote new, bronze foliage
Pests/Diseases scale, mealybug
Special Conditions/Other leaves usually burn if planted in full sun in hot dry area
 
Origin: Pacific Northwest
Family: Berberidaceae

Notes:
 
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