Mountain-grape
Berberis aquifolium
Last reviewed: June 2026
Berberis aquifolium (Oregon grape) is an evergreen shrub native to the Pacific Northwest and northern Rocky Mountains that produces clusters of bright yellow flowers in April and May.
Light
full sun
Water
medium
Size
36"–72" H × 36"–72" W
Bloom
Apr, May
Native to
CA, ID, MT, OR and 2 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Mountain-grape is a sturdy evergreen shrub with glossy, holly-like leaves and clusters of bright yellow flowers in spring. It produces dark blue berries and offers year-round structure with its dense, upright growth habit.
Growing Mountain-grape
Grow Mountain-grape in full sun and medium water. Mature plants reach 36 to 72 inches tall and spread 36 to 72 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Mountain-grape is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The spring blooms attract bees and butterflies, while the berries provide food for birds. Its evergreen foliage offers winter shelter for small wildlife.
Common questions
- Where is Berberis aquifolium native?
- Oregon grape is native to western North America, including California, Idaho, Montana, Oregon, South Dakota, and Washington.
- When does Oregon grape bloom?
- Berberis aquifolium typically blooms in April and May, producing fragrant clusters of bright yellow flowers.
- What pollinators visit Oregon grape?
- The flowers attract various bees and butterflies, making it valuable for pollinator gardens in its native range.
- What growing conditions does Berberis aquifolium prefer?
- Oregon grape thrives in full sun to partial shade with moderate to low water requirements once established.
- Is Mountain-grape HOA-friendly?
- Mountain-grape is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Mountain-grape? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz