Zone 7 · Blue-Eyed Grass
Planting Blue-Eyed Grass in Zone 7
Sisyrinchium angustifolium
✅ Blue-Eyed Grass thrives in zone 7 (hardy 4–9)
Can I plant today?
✅ Safe to plant Blue-Eyed Grass outside
Last frost has passed. Plant in spring in moist, well-drained soil. Actually an iris despite the name; charming small flowers.
Evaluated for April 27, 2026 ·
Zone's last frost
around April 15
Zone's first frost
around November 15
Bloom window
May – June
Peak bloom
May
Sun required
full sun, part sun
Mature height
12"
Spacing
9" apart
Type
perennial
How to plant Blue-Eyed Grass in zone 7
Plant in spring in moist, well-drained soil. Actually an iris despite the name; charming small flowers.
Pair with these for continuous bloom
Blue-Eyed Grass peaks in May. These companions keep your bed in color before and after.
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