Description
Medium-sized, upright deciduous shrub (H 2-3 m, W 2-3 m). Branches red-brown. Leaves ovate (15-35 cm), bristly hairy, dark green, underneath light green. Flowers in large, flat to slightly dome-shaped umbels (15-30 cm), tiny fertile flowers in center, lilac-violet to blue-violet, large sterile flowers (2-4 cm) around the edge, white to delicately pink. Flowering period: July-August. Needs always moist, light, humus-rich, moderately acidic, lime-free soils.