Perennial. Deciduous. This prolific flowering shrub bears large, ball-shaped flower clusters in deep soft pink in neutral soil and deep blue in acid soil. Blooms on old and new growth. Nice compact growth. Good cut flower. Attracts butterflies and hummingbirds. Bloom time: summer-fall. Height: 3-5'. Width: 3-5'. Exposure: part shade/shade. Water: mederate. USDA Z5.