Long lived dense upright rhizomatous perennial (0.7m x 0.3m) of uncertain parentage. Grey green strap-like leaves. Fragrant flowers consist of three upright petals and three hanging petals in many colours in late spring. Flowers on terminal and lateral branches. Useful planted in clumps for colour; in the perennial garden, raised beds or containers. Requires good drainage. Tolerates dry rocky soil. Plant rhizomes only slightly below soil surface. Drought tolerant once established.