12+ California Blackberry Flower. However, the canes grow one season (primocanes), produce fruit the second season (floricanes), and then die. Rubus ursinus is a species of blackberry or dewberry known by the common names california blackberry, california dewberry, douglas berry, pacific blackberry.
Add to my plant list; Web blackberry plants live for many years. Web california blackberry is listed as a codominant in the following publication: