An upright, clump-forming perennial which has broadly ovate to heart-shaped, veined, pointed, blue-green to mid-green leaves with wide, irregular, yellow to creamy-white margins. In summer, sturdy scapes bearing racemes of funnel-shaped, pale lavender flowers are borne.
Grow in fertile, moist but well-drained soil with shelter from cold, drying winds. Prefers a site in full or partial shade. It will reach a height of 75cm and a spread of 1.1m.