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Harrisburg, PA planting calendar

When to plant vegetables in Harrisburg, PA (USDA hardiness zone 7a). Typical last spring frost around Apr 15, 2026 12 days year to year), first fall frost around Oct 23, 202612 days).

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

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

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Still time to plant

As of today, these crops can still reach harvest before Harrisburg, PA’s first frost (~Oct 23, 2026) — fastest first.

Month by month in Harrisburg, PA

January

February

March

April

May

August

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in Harrisburg, PA (covering 10 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.