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Planting calendar for ZIP 86403 (Lake Havasu City, AZ)

When to plant vegetables in Lake Havasu City, AZ (USDA hardiness zone 10a). Typical last spring frost around Jan 5, 2026 19 days year to year), first fall frost around Dec 29, 202618 days).

Playing it safe? Spring frost holds off until about Jan 29, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Lake Havasu City, AZ planting calendar for dates typical of the whole city.

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Month by month in Lake Havasu City, AZ

January

February

October

November

December

Understand your frost dates

Frost dates for ZIP 86403: NOAA 1991-2020 normals (USC00024761 LAKE HAVASU CITY, AZ US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.