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Planting calendar for ZIP 84004 (Alpine, UT)

When to plant vegetables in Alpine, UT (USDA hardiness zone 7a). Typical last spring frost around May 3, 2026 15 days year to year), first fall frost around Oct 12, 202611 days).

Playing it safe? Spring frost holds off until about May 22, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Alpine, UT

January

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 84004: NOAA 1991-2020 normals (USC00420061 ALPINE, UT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.