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Planting calendar for ZIP 17603 (Lancaster, PA)

When to plant vegetables in Lancaster, PA (USDA hardiness zone 7a). Typical last spring frost around Apr 19, 2026 13 days year to year), first fall frost around Oct 24, 202611 days).

Playing it safe? Spring frost holds off until about May 5, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Lancaster, PA

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 17603: NOAA 1991-2020 normals (USC00364763 LANCASTER 2NE FLTR PLT, PA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.