This semi-evergreen perennial forms a clump with unbranched stems and narrow mid-green linear leaves. The blue star-shaped flowers have a yellow eye and are arranged in a cluster on an upright stem that appears during early summer.

Hardiness zones 3 to 9

Sisyrinchium idahoense is naturally found in western North America growing in well drained neutral to slightly alkaline fertile moist soils in a protected semi shaded to full sun position. It is drought tender but frost tolerant. 

Blue Eye Grass is grown for its colourful flowers and spreading habit. It is planted in perennial garden borders or in rockeries. It is also used in patio pots and planter boxes and grows on the coast and inland. It has a fast growth rate and establishes in 2 to 3 years and in cool regions it is grown in a glasshouse as a specimen. ID 750

Sisyrinchium (si-si-RING-kee-um) idahoense (eye-dah-o-EN-see)

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