Eastern Blue-Eyed Grass
Sisyrinchium atlanticum
Last reviewed: July 2026
Sisyrinchium atlanticum is a native wildflower found throughout the eastern United States that produces small blue flowers from May through July. This grass-like perennial thrives in sunny locations and attracts bees and butterflies.
Light
full sun
Water
medium
Size
6"–18" H × 4"–12" W
Bloom
May, Jun, Jul
Native to
AL, AR, CT, DE and 25 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Eastern blue-eyed grass forms small clumps of narrow, grass-like foliage topped with delicate blue flowers in late spring and early summer. Despite its name, it's actually a member of the iris family and creates a charming, low-maintenance groundcover or accent plant.
Growing Eastern Blue-Eyed Grass
Grow Eastern Blue-Eyed Grass in full sun and medium water. Mature plants reach 6 to 18 inches tall and spread 4 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Eastern 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.
- Foliage dies back in winter
- May self-seed in favorable conditions
Wildlife value
The small blue flowers attract native bees and small butterflies during its blooming period from May through July.
Common questions
- When does Eastern Blue-Eyed Grass bloom?
- Sisyrinchium atlanticum blooms from May through July, producing small blue flowers that attract pollinators.
- What pollinators visit Eastern Blue-Eyed Grass?
- This native plant attracts bees and butterflies during its blooming period from late spring through summer.
- Where is Sisyrinchium atlanticum native?
- Eastern Blue-Eyed Grass is native to much of the eastern United States, from Maine south to Florida and west to Wisconsin, Illinois, Missouri, Arkansas, and Louisiana.
- What growing conditions does Eastern Blue-Eyed Grass prefer?
- This plant grows best in full sun to partial sun with medium moisture levels, though it can tolerate a range of water conditions from wet to dry.
- Is Eastern Blue-Eyed Grass HOA-friendly?
- Eastern 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.
Ready to grow Eastern Blue-Eyed Grass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz