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Can You Grow Rosemary in New Hampshire?

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

Grow indoors

Rosemary grows beautifully in containers that can be brought indoors before hard frost.

Plant zones

6a–11b

New Hampshire last frost

early April

New Hampshire first frost

late October

Days to harvest

Perennial

About Rosemary

Rosemary is a Mediterranean herb that thrives in poor well-drained soil and full sun once established.

Plant in the sunniest most well-drained spot. Excellent in containers — bring indoors in winter in cold zones. Drought-tolerant once established. Avoid overwatering.

Full rosemary 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 Rosemary in New Hampshire?

Rosemary grows beautifully in containers that can be brought indoors before hard frost.

What zone is New Hampshire?

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

When do you plant Rosemaries in New Hampshire?

See the planting guide for Rosemary — timing depends on your exact frost date.