Zone 9 · Gladiolus

Planting Gladiolus in Zone 9

Gladiolus × hortulanus

✅ Gladiolus thrives in zone 9 (hardy 3–10)

Can I plant today?

Gladiolus 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

July – September

Peak bloom

August

Sun required

full sun

Mature height

48"

Spacing

6" apart

Type

bulb

How to plant Gladiolus in zone 9

Plant corms after last frost, 4 inches deep. Stagger plantings every 2 weeks for continuous bloom. Dig in fall in zones 3-6.

Gladiolus peaks in August. These companions keep your bed in color before and after.

Shasta Daisy

Peaks in July

Purple Coneflower

Peaks in July

Daffodil

Peaks in April

Bee Balm

Peaks in July

Want a full bed designed for zone 9?