Zone 6 · Bearded Iris
Planting Bearded Iris in Zone 6
Iris germanica
✅ Bearded Iris thrives in zone 6 (hardy 3–9)
Can I plant today?
✅ Safe to plant Bearded Iris outside
Last frost has passed. Plant rhizomes in late summer with top half exposed to sun. Do not mulch over them. Divide every 3–4 years.
Evaluated for April 27, 2026 ·
Zone's last frost
around April 15
Zone's first frost
around October 15
Bloom window
May – June
Peak bloom
May
Sun required
full sun
Mature height
30"
Spacing
12" apart
Type
perennial
How to plant Bearded Iris in zone 6
Plant rhizomes in late summer with top half exposed to sun. Do not mulch over them. Divide every 3–4 years.
Pair with these for continuous bloom
Bearded Iris peaks in May. These companions keep your bed in color before and after.
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