Additional notes (click to expand)


The Genus name of the synonym Mahonia nervosa was named for Bernard M'Mahon (1775-1816), American Horticulturist.
Stearn, W.T. (1996). Dictionary of Plant Names for Gardeners. Cassell.


In traditional medicine: A decoction of the peeled and chopped root bark has been used as a wash in treating arthritis and as an eyewash for red itchy eyes (Moerman. D. Native American Ethnobotany Timber Press. Oregon. 1998)


Previously grown as Mahonia nervosa
Plants of the World online, Kew Science link

Geographical distribution

  • Northern America, Northwestern U.S.A.
  • Northern America, Southwestern U.S.A.
  • Northern America, Western Canada

Berberis nervosa Pursh

Genus: Berberis
Species: nervosa Pursh
Common names: Cascade Barberry
Distribution summary: Northern America
Habit: Shrub
Hardiness: H5 - Hardy; cold winter
Habitat: Understorey and margins of evergreen forest
Garden status: Currently grown
Garden location: North America (A)
Flowering months: April, May
Reason for growing: Medicinal

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