Cascade Oregon Grape | Mahonia nervosa - Benton Soil And Water Conservation District

Cascade Oregon Grape | Mahonia nervosa

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The image shows a variety of green plants and ferns in a forested environment with vibrant foliage.

The image shows vibrant red and green leaves among fallen oak leaves on the ground, highlighting autumn colors.

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.

Plant Details

Habitats	Riparian Forests, Bottomland Forests, Mixed Hardwood-Conifer Forest or Woodland
Habitat Notes	Open to closed forest.
Mature Height	2'
Shade Preference	shade
Soil Tolerance	Dry to fairly moist.
Special Uses	Attracts insects, bees and butterfliews; wildlife forage, cover and food; ornamental.

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We have a large searchable database of plants that are native to the Willamette Valley and other parts of Benton County. View images and filter the list by plant characteristics

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A lush green riparian forest with tall red alder trees and a rocky stream running through it.

Riparian Forests

Riparian areas are defined by NRCS as ecosystems that occur along waterways and water bodies. They serve as the transition between aquatic and terrestrial zones.

Bottomland Forests

Bottomland forests are generally used to describe forests which are comprised of both hardwood and softwood tree species that occur on low-elevation, alluvial floodplains or lower terraces of rivers…

A dense forest with tall trees and lush green undergrowth.

Mixed Hardwood-Conifer Forest or Woodland

Mixed hardwoods and conifers characterize this habitat which is widespread in western Oregon in the medium elevations of the hills of the Coast Range. Precipitation is higher in this habitat than in…