A clump forming perennial which has numerous stems and small, ovate to elliptic or lance-shaped matt, dark green leaves. Dense, rounded, cyme-like panicles of pale-blue flowers are borne over long periods from late spring to midsummer.
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.

