Growth rate is medium. Very good plant in conjunction with azaleas. Good for city conditions. Flowers better in full sun. Prune old wood to ground after flowering in spring.
Growth rate is fast.
X X 5'-8' Marginal plant for Zone 7b. Not recommended for Zone 8 and south. Needs adequate cold for good flower production. Several forms available with white, pink, blue, and purple flowers. Growth rate is medium.