https://www.bentonswcd.org/cascade-oregon-grape-mahonia-nervosa
Cascade Oregon Grape | Mahonia nervosa - Benton Soil And Water Conservation District
Shiny green holly-like leaves that can turn reddish to purple in winter. Bright yellow flowers April-June, followed by clusters of waxy, blue berries.
cascade oregon grapemahonia nervosawater conservationbentonsoil