An erect, many branched perennial which has ovate to lance-shaped, notched, wrinkled, mid-green leaves on purple stems. From midsummer to early autumn rich violet-blue flowers borne.
Grow in light, moderately fertile, humus-rich, moist but well-drained soil in full sun or light dappled shade. It will reach a height of 50cm and a spread of 30cm.


