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Williamsport, PA planting calendar

When to plant vegetables in Williamsport, PA (USDA hardiness zone 6a). Typical last spring frost around Apr 25, 2026 13 days year to year), first fall frost around Oct 24, 202611 days).

Playing it safe? Spring frost holds off until about May 11, 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:

Or get a printable Williamsport calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Williamsport, PA’s first frost (~Oct 24, 2026) — fastest first.

Month by month in Williamsport, PA

January

February

March

April

May

August

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in Williamsport, PA (covering 2 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.