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Planting calendar for ZIP 16743 (Port Allegany, PA)

When to plant vegetables in Port Allegany, PA (USDA hardiness zone 5b). Typical last spring frost around May 15, 2026 12 days year to year), first fall frost around Oct 6, 202610 days).

Playing it safe? Spring frost holds off until about May 30, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Port Allegany, PA planting calendar for dates typical of the whole city.

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Month by month in Port Allegany, PA

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 16743: NOAA 1991-2020 normals (USC00367103 PORT ALLEGANY, PA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.