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Cullom, IL planting calendar

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.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

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Still time to plant

As of today, these crops can still reach harvest before Cullom, IL’s first frost (~Oct 20, 2026) — fastest first.

Month by month in Cullom, IL

January

February

March

April

May

August

Understand your frost dates

More Illinois planting calendars

ZIP codes in Cullom

60929

Frost dates are NOAA 1991–2020 climate normals for a representative location in Cullom, IL (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.