Zone 4 · Mountain Mint

Planting Mountain Mint in Zone 4

Pycnanthemum muticum

✅ Mountain Mint thrives in zone 4 (hardy 4–8)

Can I plant today?

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

July – September

Peak bloom

August

Sun required

full sun, part sun

Mature height

36"

Spacing

24" apart

Type

perennial

How to plant Mountain Mint in zone 4

Plant in spring. Silvery bracts; consistently ranks #1 in pollinator-attraction studies.

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

Shasta Daisy

Peaks in July

Purple Coneflower

Peaks in July

Salvia

Peaks in June

Tulip

Peaks in April

Want a full bed designed for zone 4?