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Planting calendar for ZIP 85540 (Morenci, AZ)

When to plant vegetables in Morenci, AZ (USDA hardiness zone 8b). Typical last spring frost around Feb 26, 2026 14 days year to year), first fall frost around Nov 23, 202610 days).

Playing it safe? Spring frost holds off until about Mar 15, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Morenci, AZ

January

February

March

September

November

December

Understand your frost dates

Frost dates for ZIP 85540: NOAA 1991-2020 normals (USC00021849 CLIFTON, AZ US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.