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Planting calendar for ZIP 12974 (Port Henry, NY)

When to plant vegetables in Port Henry, NY (USDA hardiness zone 5a). Typical last spring frost around May 5, 2026 11 days year to year), first fall frost around Oct 3, 202611 days).

Playing it safe? Spring frost holds off until about May 19, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Port Henry, NY planting calendar for dates typical of the whole city.

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Month by month in Port Henry, NY

January

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 12974: NOAA 1991-2020 normals (USC00431580 CORNWALL, VT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.