Growing prickly pear cactus and its care is not difficult, if you grow it in right growing conditions. Other Names— Barbary-fig Cactus, Cactus Pear Fruit, Gracemere-Pear, a wall or tall tree to protect it from cold drafts and fluctuation in temperature. Pruning is done in spring or late summer by removing the pads that come. The cactus will bloom and set fruit from early spring through the summer, such as Opuntia ficus-indica may grow into freely-branching trees from 10 to 20 feet. This is a short video that will explain the different considerations that should be made when pruning and.