ZonePlant

State reference · Northeast

New Hampshire

New Hampshire (NH) covers 5 primary USDA hardiness zones across 280 zip codes. Capital: Concord.


USDA hardiness zones in New Hampshire

Zone share is computed from the 280 zip codes within New Hampshire. The most common zone is the best starting point for state-wide guidance; check your local zip for microclimate accuracy.

State-wide baseline

Zone 6a covers the largest share of New Hampshire, with winter lows around -10°F to -5°F and a typical growing season of 180 days. Zone 6a guide →

Crops suited to New Hampshire

Crops whose recommended USDA zone range overlaps New Hampshire's dominant zones. 87 crops match.

Tree fruit

12 crops

See all 12 tree fruit →

Berries

20 crops

See all 20 berries →

Nuts

6 crops

Vegetables

40 crops

See all 40 vegetables →

Herbs

9 crops

See all 9 herbs →

Largest cities in New Hampshire

Cities ranked by population (GeoNames public-domain data). Each city has a curated planting reference with its USDA zone, frost dates, and recommended crops.

Curated zip pages in New Hampshire

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