Chlorogalum pomeridianum

The Soap Lily - a relative of Yucca, Agave, Polianthes and Camassia from the western USA. Simple but very elegant white asphodel type flowers are produced on tall rigid stems over a long period in summer above rosettes of undulating grey leaves. Hardy and easy to grow in full sun on a very well-drained soil.
2L pots ~ £9