Description Camassia ‘Blue Heaven’ A bulbous perennial which is a cross between Camassia cusickii and C. leichtlinii caerulea, with wavy-margined narrow leaves. Star-shaped sky blue flower spikes are borne from May to June. Grow in moist but well-drained, fertile, humus-rich soil in sun or partial shade. Do not allow the soil to become waterlogged. It will reach a height of 65cm and a spread of 10cm.
