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Planting calendar for ZIP 57748 (Howes, SD)

When to plant vegetables in Howes, SD (USDA hardiness zone 4b). Typical last spring frost around May 15, 2026 10 days year to year), first fall frost around Sep 27, 202610 days).

Playing it safe? Spring frost holds off until about May 27, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Howes, SD

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 57748: NOAA 1991-2020 normals (USC00396636 PLAINVIEW 6 SSW, SD US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.