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Planting calendar for ZIP 60085 (Waukegan, IL)

When to plant vegetables in Waukegan, IL (USDA hardiness zone 6a). Typical last spring frost around Apr 30, 2026 11 days year to year), first fall frost around Oct 19, 202613 days).

Playing it safe? Spring frost holds off until about May 14, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Waukegan, IL

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 60085: NOAA 1991-2020 normals (USC00119029 WAUKEGAN, IL US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.