Arthropodium cirratum ‘Matapouri Bay’ Renga-Renga Lily, NZ Rock Lily 50cm x 50cm. Hardy perennial which forms large clumps of fleshy lance shaped leaves. Produces long sprays of white star-shaped flowers up to 1m long. Good groundcover for dry banks and under trees. Full sun/part shade. Broad drooping leaves, masses of white flowers in summer. Good in groups under trees and on coast. Frost tender.