Variegated Flax Lily (Dianella sp.) in a 5-gallon nursery container. Green strap-shaped leaves with creamy white margins add contrast to borders, mixed beds and containers. Botanical identification is confirmed to genus only; species and cultivar are not verified. General care: Plant in well-drained soil in sun to partial shade. Give regular water while the plant establishes, then water according to soil moisture and local conditions. Protect from hard frost and remove damaged foliage as needed. Exact mature size and cold tolerance depend on the species and cultivar.