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Planting calendar for ZIP 84029 (Grantsville, UT)

When to plant vegetables in Grantsville, UT (USDA hardiness zone 7a). Typical last spring frost around May 2, 2026 13 days year to year), first fall frost around Oct 14, 202611 days).

Playing it safe? Spring frost holds off until about May 18, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Grantsville, UT planting calendar for dates typical of the whole city.

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Month by month in Grantsville, UT

January

February

March

April

May

June

August

Understand your frost dates

Frost dates for ZIP 84029: NOAA 1991-2020 normals (USC00423348 GRANTSVILLE 2W, UT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.