Flowers: July-August. Plant in sun or light shade. HXS 75x60cm
An old but very reliable cultivar which is now hard to find. It has large, dark, plum-purple flowers with a yellow rib and halo. A good vertical habit with upright flower stems. Enjoys a rich moist soil and makes a good border or waterside plant.
Care & Maintenance.
Cut back old foliage in autumn. New growth begins very early in spring, which is the ideal time to divide, although you can also divide in autumn. Easy and very hardy.