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Trenton, UT planting calendar

When to plant vegetables in Trenton, UT (USDA hardiness zone 5b). Typical last spring frost around May 17, 2026 13 days year to year), first fall frost around Sep 18, 202613 days).

Playing it safe? Spring frost holds off until about Jun 2, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

Or get a printable Trenton calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Trenton, UT’s first frost (~Sep 18, 2026) — fastest first.

Month by month in Trenton, UT

February

March

April

May

June

July

Understand your frost dates

More Utah planting calendars

ZIP codes in Trenton

84338

Frost dates are NOAA 1991–2020 climate normals for a representative location in Trenton, UT (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.