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Rapid City, SD planting calendar

When to plant vegetables in Rapid City, SD (USDA hardiness zone 5a). Typical last spring frost around May 12, 2026 10 days year to year), first fall frost around Oct 1, 202611 days).

Playing it safe? Spring frost holds off until about May 24, 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:

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Still time to plant

As of today, these crops can still reach harvest before Rapid City, SD’s first frost (~Oct 1, 2026) — fastest first.

Month by month in Rapid City, SD

February

March

April

May

June

July

August

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in Rapid City, SD (covering 3 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.