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Planting calendar for ZIP 84623 (Chester, UT)

When to plant vegetables in Chester, UT (USDA hardiness zone 5b). Typical last spring frost around May 26, 2026 13 days year to year), first fall frost around Sep 25, 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 Chester, UT planting calendar for dates typical of the whole city.

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Month by month in Chester, UT

February

March

April

May

June

July

Understand your frost dates

Frost dates for ZIP 84623: NOAA 1991-2020 normals (USC00425837 MORONI, UT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.