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Planting calendar for ZIP 60929 (Cullom, IL)

When to plant vegetables in Cullom, IL (USDA hardiness zone 5b). Typical last spring frost around Apr 25, 2026 11 days year to year), first fall frost around Oct 20, 202611 days).

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

See the full Cullom, IL planting calendar for dates typical of the whole city.

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Month by month in Cullom, IL

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 60929: NOAA 1991-2020 normals (USC00116819 PIPER CITY, IL US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.