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Can You Grow Cucumber in New Hampshire?

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

Grows well here

Cucumbers grow quickly here — expect harvest within 50-70 days of transplanting after last frost.

Plant zones

3b–11b

New Hampshire last frost

early April

New Hampshire first frost

late October

Days to harvest

50–70 days

When to plant Cucumbers in New Hampshire

Start indoors

Mar 17

Transplant

Apr 7

Harvest

May 27 – Jun 16

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

About Cucumber

Cucumbers are fast-growing warm-season crops that produce heavily once summer heat arrives.

Direct sow or transplant after all frost risk passes — cucumbers hate cold. Keep soil consistently moist. Train vines up a trellis to save space and improve airflow.

Full cucumber 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 Cucumber in New Hampshire?

Cucumbers grow quickly here — expect harvest within 50-70 days of transplanting after last frost.

What zone is New Hampshire?

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

When do you plant Cucumbers in New Hampshire?

Plant Cucumbers around early April (start indoors Mar 17), harvest May 27 – Jun 16.