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Planting calendar for ZIP 60199 (Carol Stream, IL)

When to plant vegetables in Carol Stream, IL (USDA hardiness zone 5b). Typical last spring frost around Apr 28, 2027 (±12 days year to year), first fall frost around Oct 16, 2027 (±11 days).

Playing it safe? Spring frost holds off until about May 13, 2027 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

Turn these dates into a plan: lay out your beds, place each crop on its sow and transplant dates, and get a reminder when it’s time. Free on one garden, no credit card.

Plan my garden for 60199

Month by month in Carol Stream, IL

January

February

March

April

May

August

Understand your frost dates

Where these dates come from

Frost dates for ZIP 60199 come from NOAA 1991-2020 normals (USC00115097 LISLE-MORTON ARBORETUM, IL US). You can look up that station’s record yourself.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.