University of Illinois Extension
University of Illinois Extension - Selecting Shrubs for Your Home
http://www.urbanext.uiuc.edu/shrubselector
Oregon Grapeholly
Mahonia aquifolium
Oregon Grapeholly leaves and flowers
Size:
Size: small
Small

Medium

Large
Exposure/ Light Requirements:
Full Shade required.
Full Shade
Full Sun not required.
Full Sun
Partial Sun/Shade required.
Partial Sun/Shade
Pests and Problems:

Environmental Damage

Fungal Disease


Leaf spots, aphids, scale. These problems seldom become serious.
Hardiness Zone: 5 - 8 
Mature Height: 3-6 Feet
Mature Width: 3-6 Feet
Features: Clusters of bright yellow (slightly fragrant) flowers in mid spring; leathery, evergreen leaves; blue-black, non-edible fruits with a waxy coating (which makes them resemble small grapes), in summer; leaves turn purplish in winter.
Culture: Partial to full shade best, but will tolerate full sun; moist, well drained soil is best; prefers slightly acid soil, but will tolerate alkaline soils.
Mature Form: Rounded to mounded
Native To: United States
Soil Conditions:
Dry
Soil condition: Moist, Well-DrainedMoist, Well-Drained
Wet
Tolerance:
Tolerance: Alkaline SoilAlkaline Soil
Dry Sites
Salt
Soil Compaction
Wet Sites
Wind
Uses:
Barrier
Use for: Border.Border
Use for: Foundation.Foundation
Hedge
Massing
Naturalizing
Screen
Use for: Specimen.Specimen
Foliage Color: Green
 
Fall Foliage Color: Purple
 
Additional Notes: The evergreen leaves may scorch in dry, windy sites or during dry winters.

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