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Native Wildflower · Easy

How to Grow Blue-Eyed Grass

Sisyrinchium angustifolium

Your complete guide to growing Blue-Eyed Grass.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterHigh — consistent moisture needed
🗺Zones4–9
📏Height18-24 inches
Blue-Eyed Grass📷 Wikipedia: Sisyrinchium angustifolium

When to Plant Blue-Eyed Grass

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 4 — April – June —
Zone 5 — April – June —
Zone 6 — April – June —
Zone 7 — March – May —
Zone 8 — March – May —
Zone 9 — February – April —

Companion Plants for Blue-Eyed Grass

✓ Good companions

Black-Eyed Susan

Attracts beneficial insects and thrives in similar well-drained soil conditions

Little Bluestem Grass

Provides structural support and creates natural prairie ecosystem conditions

Nodding Onion

Natural pest deterrent that doesn't compete with Blue-Eyed Grass root system

Prairie Dropseed

Compatible native grass that doesn't compete aggressively for resources

Purple Coneflower

Shares similar growing conditions and attracts butterflies that also benefit Blue-Eyed Grass

Wild Bergamot

Attracts beneficial pollinators and has similar moisture and sun requirements

Wild Columbine

Shares similar moisture needs and attracts different pollinators for biodiversity

Wild Lupine

Fixes nitrogen in soil and blooms at different times, extending pollinator season

✗ Keep away from

Canada Thistle

Aggressive perennial weed that spreads rapidly and competes for nutrients and space

Crown Vetch

Invasive legume that forms dense mats and smothers low-growing native plants

Tall Fescue

Aggressive spreading grass that outcompetes and crowds out native wildflowers

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.