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Frangula californica ssp. californica
Frangula californica (Eschsch.) A. Gray ssp. californica
California buckthorn, Coffeeberry
Synonym(s): Rhamnus californica, Rhamnus californica ssp. californica
USDA Symbol: frcac5
A variable species with many subspecies throughout its range. It is an upright/rounded to low/spreading shrub from 3-12 ft. tall. The evergreen or persistent leaves are shiny light green and oblong. Flowers are creamy-white in clusters and are followed by green or black but usually dark-red berries.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: May , Jun , Jul
, HI Native Distribution:
Coast Ranges through most of CA
into NV, AZ
& Baja Native Habitat:
Dry, sandy or rocky slopes, ravines & hillsides
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: High
Soil Description: Rocky or sandy soils.
Conditions Comments: A tough, desirable plant. Usually deer proof.
PropagationDescription: Germination of seeds is easy. Cuttings are difficult. Seeds should be cleaned of pulp before sowing.
Seed Collection: Not Available
Seed Treatment: No pretreatment seems necessary. If seeds have been stored, dormancy can be broken with a cool-moist stratification period.
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
Record Last Modified: 2009-02-20
Research By: TWC Staff