Cultivars: Ceanothus 'Owlswood Blue' Ceanothus 'Ray Hartman' Ceanothus arboreus 'Powder Blue' Ceanothus arboreus 'Trewithen Blue'
Plant Communities: Chaparral
Synonyms: Ceanothus arboreus var. arboreus Ceanothus arboreus var. glaber Ceanothus arboreus var. glabra
Counties: Alameda Los Angeles Merced Santa Barbara San Bernardino San Diego