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Planting calendar for ZIP 48002 (Allenton, MI)

When to plant vegetables in Allenton, MI (USDA hardiness zone 6a). Typical last spring frost around May 1, 2026 11 days year to year), first fall frost around Oct 20, 202612 days).

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

See the full Allenton, MI planting calendar for dates typical of the whole city.

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Month by month in Allenton, MI

January

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March

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May

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Understand your frost dates

Frost dates for ZIP 48002: NOAA 1991-2020 normals (USC00206982 RICHMOND 4 NNW, MI US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.