Can I trim the top so it does not get so tall. When do I trim it back and when will it flower.
Certified GKH Gardening Expert
This ornamental requires little pruning except to remove dead, damaged or crossing branches. You also can lightly prune to shape or prune harder to rejuvenate or promote more vigorous growth. The ideal time to prune is after the tree flowers in early spring.
Topping a tree is never recommended.
Flowering occurs in the spring.