Skip to main content

New Castle, PA planting calendar

When to plant vegetables in New Castle, PA (USDA hardiness zone 6a). Typical last spring frost around Apr 30, 2026 13 days year to year), first fall frost around Oct 23, 202611 days).

Playing it safe? Spring frost holds off until about May 16, 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 New Castle calendar and sowing reminders by email:

Still time to plant

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

Month by month in New Castle, PA

January

February

March

April

May

August

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in New Castle, PA (covering 4 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.