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Planting calendar for ZIP 17015 (Carlisle, PA)

When to plant vegetables in Carlisle, PA (USDA hardiness zone 7a). Typical last spring frost around Apr 20, 2026 13 days year to year), first fall frost around Oct 25, 202611 days).

Playing it safe? Spring frost holds off until about May 6, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Carlisle, PA

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 17015: NOAA 1991-2020 normals (USC00364896 LEBANON 2 W, PA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.