California Flannelbush
Fremontodendron californicum
Last reviewed: June 2026
Fremontodendron californicum is a drought-tolerant California native shrub that produces bright yellow flannel-textured flowers from April through June, attracting bees, butterflies, and hummingbirds.
The USDA PLANTS Database (opens in new tab) does not flag California Flannelbush as toxic to livestock.
Light
full sun
Water
low
Size
72"–144" H × 72"–144" W
Bloom
Apr, May, Jun
Native to
CA
Pollinators
bees, butterflies, hummingbirds
Browse plants for this ecoregion
Flannelbush is a striking native shrub with bright yellow cup-shaped flowers that bloom profusely in spring. It features fuzzy, lobed leaves with a soft texture and grows into a large evergreen specimen that can reach 6-12 feet tall and wide. The plant is drought tolerant once established and thrives in full sun with minimal water.
Growing California Flannelbush
Grow California Flannelbush in full sun and low water. Mature plants reach 72 to 144 inches tall and spread 72 to 144 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
California Flannelbush is an HOA-friendly choice in the right placement. Maintenance level: low. Tidiness: 2 out of 5.
Works well in: backyard only, mid zone.
- Large size may overwhelm smaller front yards
- Fuzzy leaves and stems can cause skin irritation during maintenance
- Informal growth habit may need strategic placement
Wildlife value
Host plant for painted lady butterfly.
This shrub provides valuable nectar for bees, butterflies, and hummingbirds during its spring blooming period. The dense foliage also offers shelter and nesting habitat for birds.
Common questions
- When does California Flannelbush bloom?
- Fremontodendron californicum typically blooms from April through June, producing showy yellow flowers that attract various pollinators including bees, butterflies, and hummingbirds.
- What growing conditions does California Flannelbush prefer?
- This native California shrub thrives in full sun locations with low water requirements, making it an excellent choice for drought-tolerant landscaping and xeriscaping projects.
- What pollinators visit Fremontodendron californicum?
- California Flannelbush attracts bees, butterflies, and hummingbirds with its bright yellow spring blooms, making it valuable for supporting native pollinator populations.
- Is California Flannelbush toxic to livestock?
- The USDA PLANTS Database does not flag California Flannelbush as toxic to livestock.
- Is California Flannelbush HOA-friendly?
- California Flannelbush is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow California Flannelbush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz