Mahonia Nervosa, or more commonly know as Cascade Barberry, is a subshrub shrub with dark green foliage and yellow flowers of the genus Mahonia. It has a slow growth rate and a height of 2 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during mid spring, is tolerant of shade and is routinely available commercially. Mahonia Nervosa or Cascade Barberry's floral region is North America US Lower 48, specifically in the states of California, Idaho, Oregon, South Carolina and Washington.
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