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Planting calendar for ZIP 47427 (Coal City, IN)

When to plant vegetables in Coal City, IN (USDA hardiness zone 6a). Typical last spring frost around Apr 14, 2026 12 days year to year), first fall frost around Oct 26, 202610 days).

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

See the full Coal City, IN planting calendar for dates typical of the whole city.

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Month by month in Coal City, IN

January

February

March

April

May

August

September

Understand your frost dates

Frost dates for ZIP 47427: NOAA 1991-2020 normals (USC00127959 SHAKAMAK SP, IN US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.