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.

Eastern Blue-Eyed Grass

Name: Pollinator Patch
Author: Pollinator Patch

Sisyrinchium atlanticum

Last reviewed: August 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.

Toxicity unknown

Eastern Blue-Eyed Grass (Sisyrinchium atlanticum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

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

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

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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.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). 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.

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