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Genus: Mahonia Species: aquifolium Common Name: Oregon Grape Family: Berberidaceae Order: Ranunculales Native: Northwestern North America Habit: Shrub Height: 3 to 8 feet Width: 3 to 6 feet Flowering Season: Spring Flower Color: Yellow Propagation: Seed, sucker, layering or stem cutting Zone: 5-9 Note: This plant has ornamental foliage and fruits, and is suitable for shrub borders or as a specimen in shady areas. The bluish-green leaves are spiny and coarse and resemble Holly's leaves. The roots of Oregon Grape contains strong antimicrobial agents berberin and oxycanthin which is used to treat a variety of skin disorders. Prefers partly shady, fairly dry, well-drained, ordinary garden soil.