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Planting calendar for ZIP 84525 (Green River, UT)

When to plant vegetables in Green River, UT (USDA hardiness zone 6b). Typical last spring frost around Apr 26, 2026 12 days year to year), first fall frost around Oct 18, 202612 days).

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

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

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Month by month in Green River, UT

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 84525: NOAA 1991-2020 normals (USC00423254 GOBLIN VALLEY SP, UT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.