Tufts of narrow, grassy foliage. White flowers in the shape of a blue eye star, May-October. Sun. Well drained soil.
For a small touch of light in the rockery, miniature lovely yellow flowers. End evergreen clump forming a fan. Culture in ordinary soil drainage. If reseed. Rock garden, trough, solid.
Perennial evergreen diris, arranged like a fan. The cream yellow flowers are arranged in superposed rings atop sturdy stems. A fresh install, well drained soil.