A compact, mound-forming perennial which has upright stems bearing lance-shaped, dark green leaves which turn yellow-orange in autumn. Rounded, open panicles of star-shaped, lavender-blue flowers are borne in late spring and early summer.
Grow in any moist but well-drained soil in full sun or light, dappled shade. It will tolerate some drought. It will reach a height of 45cm and a spread of 60cm.

