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Planting calendar for ZIP 85032 (Phoenix, AZ)

When to plant vegetables in Phoenix, AZ (USDA hardiness zone 9b). Typical last spring frost around Jan 6, 2026 21 days year to year), first fall frost around Dec 26, 202618 days).

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

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

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Month by month in Phoenix, AZ

January

February

October

November

December

Understand your frost dates

Frost dates for ZIP 85032: NOAA 1991-2020 normals (USW00003192 SCOTTSDALE MUNI AP, AZ US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.