Name: Sisyrinchium angustifolium - Blue-eyed Grass
Bloom Time: May - June
Soil Condition: Average-Moist
Light: Sun to Partial Shade
Native Range: Central to Eastern United States including Long Island
Zone: 5 to 9
Blue-eyed Grass is not a grass at all but is a member of the Iris family. The grass like foliage looks great as an edging to a walkway. Great for naturalizing as it will self sow and spread by rhizomes to form a colony. It tolerates clay soil and bog situations. Deer resistant.
Maintenance: You may shear it after blooming to remove developing seed capsules.
Benefits: Attracts numerous types of pollinators including bumblebees, sweat bees, syrphid flies and butterflies. Songbirds eat the seeds.
Companion Plants: Aster laevis (Smooth Aster), Solidago odora (Sweet Goldenrod), Ruellia humilis (Wild Petunia)
Substitution Plant: Sisyrinchium atlanticum (Eastern Blue-eyed Grass)
Photo: Cathy DeWitt, CC BY-NC-ND 4.0