Zone 6 · New England Aster

Planting New England Aster in Zone 6

Symphyotrichum novae-angliae

✅ New England Aster thrives in zone 6 (hardy 4–8)

Can I plant today?

New England Aster has a specific planting window in zone 6. Check back in spring.

Evaluated for June 15, 2026 ·

Zone's last frost

around April 15

Zone's first frost

around October 15

Bloom window

September – October

Peak bloom

September

Sun required

full sun

Mature height

48"

Spacing

24" apart

Type

perennial

How to plant New England Aster in zone 6

Plant in spring. Cut back by half in June for bushier fall display. Key late-season pollinator.

New England Aster peaks in September. 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 6?