Whitethorn Ceanothus
Ceanothus cordulatus Kellogg - Buckthorn family
Size
Mature Height: Up to around 8.0 feet
Planting Distance: 3.9 feet
Plant Type: Shrub
Root Depth: 20 inches
Growth Form: Multiple Stem
Growth Rate: Slow
Features
Flower Color: White
Conspicuous Flowers: Yes
Bloom Time: Early Summer
Seasonal Growth: Spring and Summer
Evergreen: No
Fall Colors: No
Conditions
Shade Tolerance: Intolerant
Clay Soil Tolerance: No
Sandy Soil Tolerance: Yes
Drought Tolerance: High
Flood Tolerance: None
Fire Tolerance: High
Salt Tolerance: Low
Ecosystem Interactions
Pollinators: Native Bees; Bombus; Beetles, Wasps, Flies; Butterflies; Larval Host (Butterfly); Larval Host (Moth)
Larval Species depending on Whitethorn Ceanothus: Drepanulatrix foeminaria, Erynnis pacuvius, Hyalophora euryalus, Hyalophora kasloensis, Malacosoma californica "central population", Malacosoma californica recenseo, Nola minna, Nymphalis californica, Papilio eurymedon, Saturnia albofasciata, Sericosema juturnaria
Native Range
- USA: California, Nevada, 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.