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Planting calendar for ZIP 49117 (New Buffalo, MI)

When to plant vegetables in New Buffalo, MI (USDA hardiness zone 6a). Typical last spring frost around Apr 19, 2026 11 days year to year), first fall frost around Oct 27, 202610 days).

Playing it safe? Spring frost holds off until about May 3, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in New Buffalo, MI

January

February

March

April

May

August

September

Understand your frost dates

Frost dates for ZIP 49117: NOAA 1991-2020 normals (USC00124837 LAPORTE, IN US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.