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Planting calendar for ZIP 60924 (Cissna Park, IL)

When to plant vegetables in Cissna Park, IL (USDA hardiness zone 6a). Typical last spring frost around Apr 22, 2026 12 days year to year), first fall frost around Oct 19, 202611 days).

Playing it safe? Spring frost holds off until about May 7, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Cissna Park, IL

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 60924: NOAA 1991-2020 normals (USC00114198 HOOPESTON, IL US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.