Zone 9 · Bearded Iris

Planting Bearded Iris in Zone 9

Iris germanica

✅ Bearded Iris thrives in zone 9 (hardy 3–9)

Can I plant today?

Bearded Iris has a specific planting window in zone 9. Check back in spring.

Evaluated for April 27, 2026 ·

Zone's last frost

around February 15

Zone's first frost

around December 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 9

Plant rhizomes in late summer with top half exposed to sun. Do not mulch over them. Divide every 3–4 years.

Bearded Iris peaks in May. These companions keep your bed in color before and after.

Cosmos

Peaks in August

Zinnia

Peaks in August

Sunflower

Peaks in August

Shasta Daisy

Peaks in July

Want a full bed designed for zone 9?