Fremontodendron californicum

Scientific name: Fremontodendron californicum


Common names: “Fremontia” “California flannel bush”

Plant Type: Evergreen shrub


Zone: 8-10

Light: Full sun

Exposure: Shelter from winter winds

Soil: Any – shallow rocky soil, rich soils tend to produce more foliage and less bloom

Moisture: Dry well drained, drought tolerant


Plant Size: H 8-20-30′ W 12′, fast growing

Leaf and Stem shape: furry indumentum of stellar hairs found on leaves, stems and seed capsules is purportedly reminiscent of flannel but physical contact with the hairs can be very irritating to the skin of some people

Flower: Large open saucer-shaped bright yellow flowers in late spring early summer

Pruning: Hose down before pruning to avoid hairs, handles a hard prune, best done after bloom

Maintenance: Low, young plants should be staked

Landscape use: Background plant, don’t plant near pathways, not for children, Mediterranean climate

Propagate: By seed and cuttings

Pests & Disease: Affected by wilting disease, winter kill

*Deer proof?

Comments: Attracts butterflies, native to California, hair fibers from the leaves are very irritating to the skin, eyes and throat so take precautions


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