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Planting calendar for ZIP 84535 (Monticello, UT)

When to plant vegetables in Monticello, UT (USDA hardiness zone 6b). Typical last spring frost around May 19, 2026 13 days year to year), first fall frost around Oct 2, 202610 days).

Playing it safe? Spring frost holds off until about Jun 4, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Monticello, UT

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 84535: NOAA 1991-2020 normals (USC00425805 MONTICELLO 2E, UT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.