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Dahlgren, IL planting calendar

When to plant vegetables in Dahlgren, IL (USDA hardiness zone 6b). Typical last spring frost around Apr 11, 2026 12 days year to year), first fall frost around Oct 21, 202610 days).

Playing it safe? Spring frost holds off until about Apr 26, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

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Still time to plant

As of today, these crops can still reach harvest before Dahlgren, IL’s first frost (~Oct 21, 2026) — fastest first.

Month by month in Dahlgren, IL

January

February

March

April

May

August

Understand your frost dates

More Illinois planting calendars

ZIP codes in Dahlgren

62828

Frost dates are NOAA 1991–2020 climate normals for a representative location in Dahlgren, IL (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.