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Planting calendar for ZIP 57745 (Hill City, SD)

When to plant vegetables in Hill City, SD (USDA hardiness zone 4b). Typical last spring frost around Jun 1, 2026 13 days year to year), first fall frost around Sep 10, 202611 days).

Playing it safe? Spring frost holds off until about Jun 17, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Hill City, SD planting calendar for dates typical of the whole city.

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Month by month in Hill City, SD

February

March

April

May

June

July

Understand your frost dates

Frost dates for ZIP 57745: NOAA 1991-2020 normals (USC00393868 HILL CITY, SD US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.