Cool-Season Vegetable

When to Plant Cabbage in Illinois

A satisfying crop that stores well. Plant in spring or fall for crisp, dense heads.

The Short Answer

Cabbage are cold-tolerant and do well in Illinois's humid climate. You can direct sow 4 weeks before your last frost — that's as early as Apr 25 - May 10 in Northern Illinois (Chicago). Illinois gardeners can also plant a fall crop. Rich prairie soils — some of the most fertile in the country. Heavy clay in many areas. Well-suited...

Illinois Frost Dates

Your planting dates depend on which part of Illinois you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Illinois (Chicago) 5a, 5b Apr 25 - May 10 Oct 1 - Oct 15
Central Illinois 5b, 6a Apr 15 - May 1 Oct 5 - Oct 20
Southern Illinois 6b, 7a Apr 1 - Apr 15 Oct 15 - Nov 1

Cabbage Planting Schedule for Illinois

Northern Illinois (Chicago) (Zones 5a, 5b)

Average last frost: Apr 25 - May 10 · Average first frost: Oct 1 - Oct 15

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

Central Illinois (Zones 5b, 6a)

Average last frost: Apr 15 - May 1 · Average first frost: Oct 5 - Oct 20

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

Southern Illinois (Zones 6b, 7a)

Average last frost: Apr 1 - Apr 15 · Average first frost: Oct 15 - Nov 1

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

Growing Cabbage in Illinois

Cabbage in Illinois's Climate

Cabbage thrives in spring and fall. Fall is the superior season — declining temperatures produce dense, crisp heads without bolting risk. Your diverse soils all grow cabbage well. In clay soils, the moisture retention actually benefits this thirsty crop. Consistent watering prevents head splitting.

Soil Considerations for Illinois

Rich prairie soils — some of the most fertile in the country. Heavy clay in many areas. Well-suited for most vegetables.

Illinois Climate & Growing Season

Continental climate with four seasons. Hot, humid summers. Cold winters. Good growing season length in central and southern regions. Cabbage can handle frost well, which is an advantage in Illinois's climate. You can push planting dates earlier in spring and extend into fall.

Growing season length varies across Illinois: Northern Illinois (Chicago) (5a, 5b) has a last frost around Apr 25 - May 10, while Southern Illinois (6b, 7a) sees frost end around Apr 1 - Apr 15. This difference matters for cabbage — but cabbage handle frost well, so the timing difference is less critical.

Growing Tips

Consistent watering prevents head splitting. Heads can handle light frost — it actually improves flavor.

Companion Planting

Plant cabbage alongside these companions for better growth:

Beets Celery Onions Dill

Keep cabbage away from:

Strawberries Tomatoes

The Bottom Line

Cabbage can be grown successfully across Illinois, but your exact planting dates depend on which region you're in. Northern Illinois (Chicago) gardeners should plan around a Apr 25 - May 10 last frost, while those in Southern Illinois can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Cabbage Growing Guide National planting guide with all states Illinois Planting Calendar All plants for Illinois Cabbage in Alabama Alabama planting dates Cabbage in Alaska Alaska planting dates Cabbage in Arizona Arizona planting dates Cabbage in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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