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Planting calendar for ZIP 85356 (Wellton, AZ)

When to plant vegetables in Wellton, AZ (USDA hardiness zone 9b). Typical last spring frost around Jan 11, 2026 23 days year to year), first fall frost around Dec 21, 202621 days).

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

See the full Wellton, AZ planting calendar for dates typical of the whole city.

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Month by month in Wellton, AZ

January

February

September

October

November

December

Understand your frost dates

Frost dates for ZIP 85356: NOAA 1991-2020 normals (USW00053154 YUMA 27 ENE, AZ US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.