Clump forming perennial with arching, dark green leaves, to 1m long, deeply cut to the midribs, with spiny margins. Tall spikes of hooded, smoky-purple bracted, white flowers are produced in long racemes to 1m, in mid-summer.. Prefers deep, fertile, well-drained soil in part shade. Fully Hardy.
Height 150cm Spread 75cm.
2 litre pot