A superb shrub for accent, specimen or border use in semi-shaded areas; desired for the splendid, abundant, showy flower clusters. Handsome green foliage on a boldly branched, mounded form. Blooms on old wood. When planted in acidic soils, produces blue flowers; in more alkaline soils, flower color may have a pink hue. Deciduous. Grows to be 4 to 6 feet tall and wide.