Blueblossom
Ceanothus thyrsiflorus Eschsch. - Buckthorn family
Size
Mature Height: Up to around 20.0 feet
Plant Type: Tree, Shrub
Features
Flower Color: White, Blue
Bloom Time: Early Spring, Mid Spring, Late Spring
Conditions
Shade Tolerance: Intermediate
Ecosystem Interactions
Pollinators: Native Bees; Bombus; Beetles, Wasps, Flies; Larval Host (Butterfly); Larval Host (Moth)
Larval Species depending on Blueblossom: Acanthopteroctetes unifascia, Acleris hastiana, Ancylis simuloides, Argyrotaenia francisana, Bucculatrix ceanothiella, Chionodes ceanothiella, Chionodes occidentella, Chlorosea banksaria, Chlorosea banksaria banksaria, Drepanulatrix monicaria, Eupithecia minturata, Hemileuca eglanterina eglanterina, Hyalophora euryalus, Malacosoma californica "central population", Malacosoma californica ambisimilis, Nymphalis californica, Periploca ceanothiella, Recurvaria ceanothiella, Recurvaria francisca, Saphenista saxicolana, Stigmella ceanothi, Synanthedon mellinipennis, Tischeria ceanothi
Native Range
- USA: California, Oregon
- MEX: Mexico Northwest
State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.