Sisyrinchium angustifolium
Narrowleaf Blue-Eyed Grass
Iridaceae or Iris Family
6 to 16 inches tall - sky blue with a yellow eye
Full sun to part shade
Fertile, moist soil
Early Summer
Propagate by seed or division
Photo by Jane Hendrix

Blue-Eyed Grass, which is not a grass, produces lovely, pure blue flowers on slender stems rising to a height of 16 inches. It likes a moist, humusy soil in full sun (cool-summer climates) to light shade.