Native of Chine & Japan this species has it’s flowers in panicles (long tapering cones) these usually hang from the branches but may sometimes grow upright.  They normally form a large bush with vigorous ascending and spreading branches.  The will flower on new wood and respond well to pruning by producing larger panicles.  The first cultivars were all white, however many new cultivars have been bred that have flowers that turn pink and even red as they mature.