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Planting calendar for ZIP 60175 (Saint Charles, IL)

When to plant vegetables in Saint Charles, IL (USDA hardiness zone 5b). Typical last spring frost around Apr 25, 2027 (±12 days year to year), first fall frost around Oct 19, 2027 (±10 days).

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

See the full Saint Charles, 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 60175

Month by month in Saint Charles, IL

January

February

March

April

May

August

Understand your frost dates

Where these dates come from

Frost dates for ZIP 60175 come from NOAA 1991-2020 normals (USW00094892 WEST CHICAGO DUPAGE AP, 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.