Upright Green foliage appears before the large clusters of fragrant flowers bloom in spring.
Flower color depends on variety and is purple, pink or white.
Suggested uses for this plant include border, hedge, screen, massing, and specimen plant. Cold and drought tolerant. Proper pruning is necessary for attractive plants and minimizes borers and powdery mildew. Remove the oldest wood and any weak growth. Cut off flowers as soon as they fade.