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Planting calendar for ZIP 85215 (Mesa, AZ)

When to plant vegetables in Mesa, AZ (USDA hardiness zone 9b). Typical last spring frost around Feb 1, 2026 23 days year to year), first fall frost around Dec 10, 202616 days).

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

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

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Month by month in Mesa, AZ

January

February

March

September

October

November

December

Understand your frost dates

Frost dates for ZIP 85215: NOAA 1991-2020 normals (USC00022782 E MESA, AZ US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.