Quick answer: 11 butterfly and moth host plants are native to California, 11 with a live listing as of 16 Sep 2026.
11 species
- Bearberry Arctostaphylos uva-ursi · 16 states
- Black-eyed Susan Rudbeckia hirta · 42 states
- Coast live oak Quercus agrifolia · 1 states
- Common selfheal Prunella vulgaris · 2 states
- Common snowberry Symphoricarpos albus · 7 states
- Desert willow Chilopsis linearis · 4 states
- Fireweed Chamerion angustifolium · 28 states
- Honey mesquite Prosopis glandulosa · 3 states
- Indigo bush Amorpha fruticosa · 16 states
- Red-osier dogwood Cornus sericea · 22 states
- Rocky Mountain bee plant Peritoma serrulata · 22 states