Scientific Name: Mahonia aquifolium ( syn. Berberis )Form: Oval - vertical
Common Name:Oregon grapeTexture:Medium
Family Name:BerberidaceaeHabit: Stiffly upright
Plant Type: Broadleaf evergreen Mature Size (ht. X w.):1.3 - 2.0m x 1.0 - 1.5m
Origin: B.C. west of Cascades, U.S. - northwest Hardiness Zone:Zone 5: (-29 to -23 C)
Leaves: Compound, Alternate, Sessile, Leathery, Prickly, Glabrous, Lustrous, Odd-pinnate, Ovate, Dentate, Undulate (wavy), Spinose
Flowers: Raceme, (Floriferous), Yellow, Apr- May
Fruit: Berry (true), Edible, Violet, Blue, Black, Sep- Oct
Exposure: Full sun only if soil kept moist, Part sun/part shade
Soil or Media: Acidic
Landscape Uses: Mixed shrub border, Security/barrier, Wildlife food, Winter interest, Woodland margin, Attract beneficial insects
Key ID Features:Native evergreen shrub; leaves sessile, pinnately compound with holly-like leaflets (Ilex aquifolium has simple leaves); inflorescence showy yellow clustered racemes; fruit are true berries, blue-violet, in clusters.