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Fremontodendron californicum (Torr.) Coville
California flannelbush, Northern flannelbush, Northern fremontia, California slippery elm
Synonym(s): Fremontia californica, Fremontia californica ssp. crassifolia, Fremontia californica ssp. obispoensis, Fremontia californica var. diegensis, Fremontia californica var. integra, Fremontia californica var. napensis, Fremontia californica var. typica, Fremontia californica var. viridis, Fremontia crassifolia, Fremontia napensis, Fremontia obispoensis, Fremontodendron californicum ssp. californicum, Fremontodendron californicum ssp. crassifolium, Fremontodendron californicum ssp. napense, Fremontodendron californicum ssp. obispoense
USDA Symbol: FRCA6
USDA Native Status: L48 (N)
California flannelbush is an open, spreading shrub, to 12 ft., with olive-green, felted leaves. The large, yellow flowers are in great showy masses and tend to bloom one at a time.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun
, CA Native Distribution:
Most of CA,
& Baja CA Native Habitat:
Dry, granitic, north slopes; 3000 to 6000 ft.
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: Low
Soil Description: Dry, well-drained, granitic soils.
Conditions Comments: Drought-tolerant. Fast-growing to 5 ft. Not for deer areas.
Wood used for spears and cordage by Native
Americans. Conspicuous Flowers:
PropagationDescription: Propagate by seed or softwood cuttings.
Seed Collection: Collect when the capsules begin to split.
Seed Treatment: Seeds require scarification in hot water followed by cold-moist stratification at 35 degrees for 12-16 weeks to obtain germination.
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, CANative Seed Network
- Corvallis, OR
Record Last Modified: 2009-02-20
Research By: TWC Staff