What to Plant in September in New Hampshire
Your September planting guide for New Hampshire (USDA Zones 3–6, typically Zone 5). We've broken out activities by zone — jump to yours below.
Growing season varies across Zones 3–6 — 120–180 days. Pick the zone that matches your part of the state.
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57
Start Indoors
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0
Transplant Outdoors
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0
Direct Sow
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986
Harvest
New Hampshire · Zones 3–6
Zone 5 September guideZone 5 — September in New Hampshire★ Most of NH
963 varieties active · Last frost April 30 · 155-day season
🏠 Indoor 57🧺 Harvest 963
Zone 4 — September in New Hampshire
913 varieties active · Last frost May 10 · 135-day season
🏠 Indoor 57🧺 Harvest 913
Zone 6 — September in New Hampshire
978 varieties active · Last frost April 15 · 180-day season
🏠 Indoor 57🧺 Harvest 978
Zone 3 — September in New Hampshire
841 varieties active · Last frost May 15 · 120-day season
🏠 Indoor 57🧺 Harvest 841
