Information from the Jepson Horticultural Database for
Rhamnus californica subsp. californica

Given excellent drainage (modification of compacted or other water-holding soils may be necessary) and absence of frequent summer water (distance from water-loving plants), grows especially well in zones 14, 15, 16, 17, 22, 23, and 24.

Given excellent drainage (modification of compacted or other water-holding soils may be necessary), moderate summer watering, absence of frequent summer water (distance from water-loving plants), and full or part shade (morning and winter sun may be tolerated, grows in zones 7, 8, 9, 18, 19, 20, and 21.

Cultivars available in the horticultural trade.

Good groundcover.