Skip to main content

Planting calendar for ZIP 57266 (Summit, SD)

When to plant vegetables in Summit, SD (USDA hardiness zone 4a). Typical last spring frost around May 14, 2026 11 days year to year), first fall frost around Sep 28, 202611 days).

Playing it safe? Spring frost holds off until about May 28, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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 ZIP 57266 calendar and sowing reminders by email:

Month by month in Summit, SD

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 57266: NOAA 1991-2020 normals (USC00398116 SUMMIT 1 W, SD US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.