Dianella tasmanica  

Dianella or Flax Lily is an evergreen clump-forming plant with excellent green/red foliage contrasting all year round. In Spring/Summer the foliage is a yellow/green turning a lovely red colour as the temperature drops for winter. It is very hardy & drought tolerant growing to 50cm x50cm. Unusual panicles of metallic blue flowers grow, followed by dark blue-purple berries in Autumn. Fully hardy and very easy to grow and best grown in full-sun to part-shade in well-drained soil. Available now in a 2 Litre pot 50-60cm tall inc. pot.