Cascade Oregon Grape

Mahonia nervosa, Berberidaceae

Zones

5–8

Layer

Shrub

Lifespan

Perennial

Growth

Slow

Guild Roles

Ground CoverPollinator AttractorBeneficial Insect HabitatProducer

Growing Conditions

Sun

Partial Shade (preferred)Full Shade (tolerated)

Water

Moderate (established)Moderate (seedling)High (seedling)

Soil pH

5 – 7

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Mountain HuckleberryVaccinium membranaceum

Shade ProvisionNurse Plant

Red HuckleberryVaccinium parvifolium

Pollinator SharingBeneficial Insect Habitat

Wax CurrantRibes cereum

Pollinator SharingBeneficial Insect Habitat

California Sword FernPolystichum californicum

Shade ProvisionNurse Plant

Ponderosa PinePinus ponderosa

Shade ProvisionWind Protection

BuckbrushCeanothus cuneatus

Nitrogen FixationShade Provision

Greenleaf ManzanitaArctostaphylos patula

Nurse PlantBeneficial Insect Habitat

Antagonistic Plants

Licorice FernPolypodium glycyrrhiza

Oregon grape's dense growth and potential allelopathic compounds may inhibit fern establishment

Uses

Functions

Understory CoverBerry ProductionWildlife HabitatErosion Control

Edible Parts

Berries

Medicinal Uses

AntimicrobialDigestive SupportSkin Conditions

Common Questions

What zones does Cascade Oregon Grape grow in?

Cascade Oregon Grape grows in USDA hardiness zones 5 through 8.

What are good companion plants for Cascade Oregon Grape?

Good companions for Cascade Oregon Grape include Mountain Huckleberry, Red Huckleberry, Wax Currant, California Sword Fern, Ponderosa Pine.

Design guilds with Cascade Oregon Grape and see companion relationships visually.

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