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Woonsocket, SD planting calendar

When to plant vegetables in Woonsocket, SD (USDA hardiness zone 5a). Typical last spring frost around May 9, 2026 11 days year to year), first fall frost around Sep 28, 202610 days).

Playing it safe? Spring frost holds off until about May 23, 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 Woonsocket calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Woonsocket, SD’s first frost (~Sep 28, 2026) — fastest first.

Month by month in Woonsocket, SD

January

February

March

April

May

June

July

August

Understand your frost dates

More South Dakota planting calendars

ZIP codes in Woonsocket

57385

Frost dates are NOAA 1991–2020 climate normals for a representative location in Woonsocket, SD (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.