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Planting calendar for ZIP 60037 (Fort Sheridan, IL)

When to plant vegetables in Fort Sheridan, IL (USDA hardiness zone 5b). Typical last spring frost around Apr 26, 2026 12 days year to year), first fall frost around Oct 21, 202611 days).

Playing it safe? Spring frost holds off until about May 11, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Fort Sheridan, IL

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 60037: NOAA 1991-2020 normals (USC00111497 CHICAGO BOTANIC GARDEN, IL US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.