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Gilbert, AZ planting calendar

When to plant vegetables in Gilbert, AZ (USDA hardiness zone 9b). Typical last spring frost around Feb 1, 2026 (±22 days year to year), first fall frost around Dec 11, 2026 (±15 days).

Playing it safe? Spring frost holds off until about Mar 1, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

These dates are typical for the whole city. Enter your ZIP for frost dates from the station nearest you:

Still time to plant

As of today, these crops can still reach harvest before Gilbert, AZ’s first frost (~Dec 11, 2026) — fastest first.

Month by month in Gilbert, AZ

January

February

March

October

November

December

Understand your frost dates

More Arizona planting calendars

ZIP codes in Gilbert

85233, 85234, 85295, 85296, 85297, 85298

Where these dates come from

Frost dates for Gilbert, AZare NOAA 1991–2020 climate normals from a station representative of the area, which covers 6 ZIP codes. Individual ZIP codes within it can run earlier or later.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.