Common Names
Oregon Grape, Cascade Oregon Grape, Cascade barberry
Botanical Name
Mahonia nervosa (synonym Berberis nervosa)
Plant Family
Berberidaceae (Barberry Family)
Native Range
Pacific Northwest of Canada and US from BC to California.
Life Cycle
Perennial
Hardiness Zone
6-9
Habit
Small evergreen shrub to 3ft tall and 2ft wide. Under the right conditions plants slowly form extensive patches or communities spreading by underground rhizomes.
Sun/Soil
Part sun and well drained moist soil. In the wild Oregon Grape is a common under-story plant in Cedar and Douglas Fir forests.
Germination/Sowing
The seeds germinate best when sown in fall, either outside in flats or directly in place. They can also be sown in early spring.