Clumps of narrow, deep green leaves and slender, arching stems bearing metallic bronze flower panicles from early summer, they turn buff with age. Average soil in sun or light shade. 1m.
An excellent form (or possible hybrid) of this species with bold rich blue-purple flowers in late summer. Pretty spring leaves and brilliant autumn foliage colour. Ordinary soil in sun. 50cm.
A distinct, more compact, form of this lovely late flowering species with light purple flowers to 35cm. Attractive spring and autumn foliage. Good soil in sun.