Shrub or Tree: Deciduous. Tolerates drought, deer, rabbits & clay. Native to China. Useful for shrub borders, foundation plantings, butterfly & cottage gardens. Blooms on previous year's wood, so prune after flowering. Arching, weeping growth. Grow as a shrub or prune into a tree. Fragrant 18" flower spikes attract butterflies & hummingbirds. Blooms: spring. Color: lilac purple. Ht: 8-15 ft. Width: 10-18 ft. Exposure: sun/part shade. Water: moderate. USDA Z5-9.