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Planting calendar for ZIP 57572 (Saint Francis, SD)

When to plant vegetables in Saint Francis, SD (USDA hardiness zone 5a). Typical last spring frost around May 10, 2026 9 days year to year), first fall frost around Sep 29, 202611 days).

Playing it safe? Spring frost holds off until about May 21, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Saint Francis, SD planting calendar for dates typical of the whole city.

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Month by month in Saint Francis, SD

January

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 57572: NOAA 1991-2020 normals (USC00254432 KILGORE 1NE, NE US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.