Beautiful large flowers produced in mid-to late summer when few other shrubs bloom. The plant grows in sun or partial shade and in any soil. The growth rate ranges from slow to moderate, and transplanting is easy. Peak bloom takes place in August. Prune in late winter or early spring. Frequent severe pruning gives fewer but larger flowers; no or little pruning gives many small flowers.
Size 6-10 feet
Zone 4-9
Sowing instructions:
Seeds can be sown in drills 1 inch deep in light soil in May or June. The seedlings are transplanted, 6 inches apart, in a nursery bed and set in their final positions in the fall. They may also be divided.
