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Planting calendar for ZIP 62366 (Pleasant Hill, IL)

When to plant vegetables in Pleasant Hill, IL (USDA hardiness zone 6b). Typical last spring frost around Apr 4, 2026 13 days year to year), first fall frost around Nov 1, 202611 days).

Playing it safe? Spring frost holds off until about Apr 20, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Pleasant Hill, IL

January

February

March

April

May

August

September

December

Understand your frost dates

Frost dates for ZIP 62366: NOAA 1991-2020 normals (USC00231640 CLARKSVILLE L&D 24, MO US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.