This cultivar of mountain lilac is a cultivated variety, introduced by Rancho Santa Ana Botanic Garden in 1948.
It is a hybrid of Ceanothus arboreus × C. griseus. It is not found in the wild.
Identification: This fast-growing shrub is favored by
gardeners for its deer-resistance and its light to medium blue flowers. A shrub or small
tree, it reaches 12-20′ (3.7-6.1 m) high and 10-20′ (3-6.1 m) around.