Zone 4 · Netted Iris
Planting Netted Iris in Zone 4
Iris reticulata
✅ Netted Iris thrives in zone 4 (hardy 4–9)
Can I plant today?
⏳ Too early to direct-sow
Last frost is in 4 weeks. Wait until soil warms.
Evaluated for April 27, 2026 ·
Zone's last frost
around May 15
Zone's first frost
around September 15
Bloom window
February – March
Peak bloom
March
Sun required
full sun
Mature height
6"
Spacing
4" apart
Type
bulb
How to plant Netted Iris in zone 4
Plant bulbs in fall 4 inches deep in well-drained soil. Earliest iris — blooms before anything else.
Pair with these for continuous bloom
Netted Iris peaks in March. These companions keep your bed in color before and after.
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