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Planting calendar for ZIP 86445 (Willow Beach, AZ)

When to plant vegetables in Willow Beach, AZ (USDA hardiness zone 9b). Typical last spring frost around May 17, 2026 13 days year to year), first fall frost around Oct 10, 202611 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.

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

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Month by month in Willow Beach, AZ

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 86445: NOAA 1991-2020 normals (USC00022527 DIAMOND M RCH, AZ US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.