A fast growing, mounding evergreen shrub with arching branches growing two to three feet tall by about eight feet wide. It has small, medium dark green leaves and medium blue flower clusters that appear in late spring. Makes a good large mounding groundcover. Thought to be a hybrid between C. papillosus var. roweanus and C. thyrsiflorus.
Wooded slopes and canyons below 600m, often in the neighbourhood of streams, in evergreen forests in California.