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Can You Grow Basil in New Hampshire?

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

Grows well here

Basil thrives here — it loves the summer heat your zone provides.

Plant zones

4a–11b

New Hampshire last frost

early April

New Hampshire first frost

late October

Days to harvest

30–60 days

When to plant Basils in New Hampshire

Start indoors

Mar 10

Transplant

Apr 7

Harvest

May 7 – Jun 6

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

About Basil

Basil is the quintessential summer herb — heat-loving fast-growing and endlessly productive when harvested regularly.

Start indoors 4-6 weeks before last frost. Pinch flower buds to keep the plant producing leaves. Never let it set seed. Water at the base — wet leaves cause disease. Loves heat.

Full basil 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 Basil in New Hampshire?

Basil thrives here — it loves the summer heat your zone provides.

What zone is New Hampshire?

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

When do you plant Basils in New Hampshire?

Plant Basils around early April (start indoors Mar 10), harvest May 7 – Jun 6.