Ceanothus griseus ( Santa Ana )
The cultivar , ‘ Santa Ana ’ is a more moderate height , about five foot normally , and bears inscrutable indigo peak . C. griseus is a compact , low - growing , full , evergreen plant shrub . Leaves are oblong , glistening , obscure gullible and fine toothed up to 2 in long . sullen blue flowers are borne profusely in large lateral cymes up to 3 inches long ....