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Planting calendar for ZIP 84026 (Fort Duchesne, UT)

When to plant vegetables in Fort Duchesne, UT (USDA hardiness zone 5b). Typical last spring frost around May 19, 2026 18 days year to year), first fall frost around Oct 2, 202611 days).

Playing it safe? Spring frost holds off until about Jun 11, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Fort Duchesne, UT

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 84026: NOAA 1991-2020 normals (USC00422996 FT DUCHESNE, UT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.