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Bonnie, IL planting calendar

When to plant vegetables in Bonnie, IL (USDA hardiness zone 6b). Typical last spring frost around Apr 4, 2026 11 days year to year), first fall frost around Oct 27, 20269 days).

Playing it safe? Spring frost holds off until about Apr 18, 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 Bonnie, IL’s first frost (~Oct 27, 2026) — fastest first.

Month by month in Bonnie, IL

January

February

March

April

May

August

September

December

Understand your frost dates

More Illinois planting calendars

ZIP codes in Bonnie

62816

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