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Can You Grow Pumpkin in New Hampshire?

US · USDA Zone 5b · zones 4a, 4b, 5a, 5b, 6a

Grows well here

Pumpkins grow well here — they love the warm season and produce reliably with enough space.

Plant zones

3b–11b

New Hampshire last frost

early April

New Hampshire first frost

late October

Days to harvest

75–100 days

When to plant Pumpkins in New Hampshire

Start indoors

Mar 17

Transplant

Apr 7

Harvest

Jun 21 – Jul 16

Dates are approximate, based on New Hampshire's average frost dates. Your exact yard may vary by microclimate.

About Pumpkin

Pumpkins need space warmth and sun — allow 2-4 square metres per plant for sprawling vines.

Direct sow or start indoors 3 weeks before last frost. Give each plant 2-4 sq metres. Water at the base to prevent fungal disease. Harvest when the skin is hard and the stem dries.

Full pumpkin growing guide →

Gardening in New Hampshire

New Hampshire has a humid continental climate. Coastal areas are Zone 5b-6a; northern mountains are Zone 4a-5a. Short growing seasons but productive for cool-season crops and berries.

See what grows well in New Hampshire →

Frequently asked questions

Can you grow Pumpkin in New Hampshire?

Pumpkins grow well here — they love the warm season and produce reliably with enough space.

What zone is New Hampshire?

New Hampshire spans USDA Zone 5b (4a, 4b, 5a, 5b, 6a).

When do you plant Pumpkins in New Hampshire?

Plant Pumpkins around early April (start indoors Mar 17), harvest Jun 21 – Jul 16.