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Planting calendar for ZIP 03303 (Concord, NH)

When to plant vegetables in Concord, NH (USDA hardiness zone 5b). Typical last spring frost around May 14, 2026 11 days year to year), first fall frost around Sep 29, 202611 days).

Playing it safe? Spring frost holds off until about May 28, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Concord, NH planting calendar for dates typical of the whole city.

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Month by month in Concord, NH

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 03303: NOAA 1991-2020 normals (USC00277833 SALISBURY, NH US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.