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Can You Grow Potato in New Hampshire?

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

Grows well here

Potatoes grow well here — plant after last frost and expect a harvest in 70-120 days.

Plant zones

3a–10b

New Hampshire last frost

early April

New Hampshire first frost

late October

Days to harvest

70–120 days

When to plant Potatoes in New Hampshire

Direct sow

Apr 7

Harvest

Jun 16 – Aug 5

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

About Potato

Potatoes are one of the most calorie-dense garden crops and can be grown in bags barrels or garden beds.

Plant certified seed potatoes after last frost. Hill soil up around stems as they grow to increase yield. Harvest after plants die back. Never eat green potatoes — solanine is toxic.

Full potato 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 Potato in New Hampshire?

Potatoes grow well here — plant after last frost and expect a harvest in 70-120 days.

What zone is New Hampshire?

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

When do you plant Potatoes in New Hampshire?

Plant Potatoes Apr 7, harvest Jun 16 – Aug 5.