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Mahonia fremontii (Torr.) Fedde
Desert Oregon-grape, Fremont barberry, Fremont's mahonia, Holly grape
Synonyms: Berberis fremontii
USDA Symbol: MAFR3
USDA Native Status: Native to U.S.
A roundish shrub, 3-8 ft. with stiff, erect branches; showy yellow flowers; blue-green, prickly foliage and yellow to red berries.
This plant is susceptible to diseases and so is considered undesirable in agricultural areas, where it can spread disease to crop plants.
Plant CharacteristicsDuration: Perennial Habit: Shrub Fruit:
Yellow or red to brown 12-18 mm Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May , Jun
AZ , CA , CO , NM , NV , UT Native Distribution:
W. CO, UT, NM, n. AZ & rare in Mohave Desert Native Habitat:
Dry, rocky, pinyon/juniper areas 3000-5000 ft. USDA Native Status: L48(N)
Growing ConditionsLight Requirement:
Part Shade Soil Moisture:
Dry Soil Description:
Dry, rocky soils. Conditions Comments:
Occasionally reaches tree
size. Drought-resistant. Considered a menace in cereal-raising areas as it is a host for wheat rust.
PropagationDescription: Increase is possible with seed, layers or cuttings.
Seed Collection: Ripe fruits may be pick by hand, using heavy gloves, or flailed onto cloth beneath the bushes. Seeds can be removed through maceration and flotation.
Commercially Avail: yes
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Santa Barbara Botanic Garden
- Santa Barbara, CA
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Record Modified: 2007-01-01
Research By: TWC Staff