This perennial forms a slender grass-like tufted habit with flat bright green sword-shaped leaves. The small star-shaped blue flowers appear  in succession on erect stems above the foliage during spring.

Hardiness zones 5 to 9 

Sisyrinchium mucronatum is naturally found in North America from Massachusetts to Michigan growing in well-drained moderately fertile moist soils in a open sunny position and is drought tolerant but heavy-frost tender. 

Blue-eyed Grass is a perennial that is easily grown for its tufted habit and blue flowers. It is planted in garden beds as a border or as a specimen in rock  or small gardens and  can be grown in pots and tubs. It establishes from division in 1 to 2 years. It is also grown in roof gardens and is excellent in gravel gardens. ID 1500

Sisyrinchium (si-si-RING-kee-um) mucronatum (muk-ro-NAT-um)

Iridaceae (eye-rid-AY-see-ee)
Iris Family