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Planting calendar for ZIP 62305 (Quincy, IL)

When to plant vegetables in Quincy, IL (USDA hardiness zone 6a). Typical last spring frost around Apr 14, 2026 13 days year to year), first fall frost around Oct 23, 202610 days).

Playing it safe? Spring frost holds off until about Apr 30, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Quincy, IL

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 62305: NOAA 1991-2020 normals (USW00093989 QUINCY RGNL AP, IL US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.