Narrowleaf Blue-eyed Grass
Sisyrinchium angustifolium
Last reviewed: June 2026
Sisyrinchium angustifolium is a native wildflower found across most of the eastern and central United States. This blue-eyed grass blooms from March through August with small blue flowers that attract butterflies and bees.
The USDA PLANTS Database (opens in new tab) does not flag Narrowleaf Blue-eyed Grass as toxic to livestock.
Light
full sun
Water
medium
Size
12"–18" H × 6"–12" W
Bloom
Mar, Apr, May, Jun, Jul, Aug
Native to
AL, AR, CO, CT and 32 more states
Pollinators
butterflies, bees
Browse plants for this ecoregion
Narrowleaf Blue-eyed Grass produces delicate blue flowers with yellow centers from spring through summer. This compact perennial forms neat clumps of narrow, grass-like foliage that stays relatively tidy in the landscape. Despite its name, it's actually in the iris family rather than being a true grass.
Growing Narrowleaf Blue-eyed Grass
Grow Narrowleaf Blue-eyed Grass in full sun and medium water. Mature plants reach 12 to 18 inches tall and spread 6 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Narrowleaf Blue-eyed Grass is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The small blue flowers attract native bees and butterflies throughout its long blooming season. Its compact size makes it valuable for providing nectar sources in smaller garden spaces.
Common questions
- Where is Narrowleaf Blue-eyed Grass native?
- Sisyrinchium angustifolium is native to most states in the eastern and central United States, from Maine south to Florida and west to Colorado and Texas.
- When does Narrowleaf Blue-eyed Grass bloom?
- This species typically blooms from March through August, producing small blue flowers with yellow centers.
- What pollinators visit Narrowleaf Blue-eyed Grass?
- The flowers attract various butterflies and native bees, making it a valuable addition to pollinator gardens.
- What growing conditions does this plant prefer?
- Sisyrinchium angustifolium grows best in full sun with medium moisture but can tolerate a range of light and water conditions.
- Is Narrowleaf Blue-eyed Grass toxic to livestock?
- The USDA PLANTS Database does not flag Narrowleaf Blue-eyed Grass as toxic to livestock.
- Is Narrowleaf Blue-eyed Grass HOA-friendly?
- Narrowleaf Blue-eyed Grass is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Narrowleaf Blue-eyed Grass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.