What to Plant in August in Illinois

Your August planting guide for Illinois (USDA Zones 5–7, typically Zone 6). We've broken out activities by zone — jump to yours below.

Growing season varies across Zones 5–7155–210 days. Pick the zone that matches your part of the state.

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57

Start Indoors

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0

Transplant Outdoors

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0

Direct Sow

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964

Harvest

Illinois · Zones 5–7

Zone 6 August guide

Zone 6August in Illinois★ Most of IL

911 varieties active · Last frost April 15 · 180-day season

🏠 Indoor 57🧺 Harvest 911
Full Zone 6 guide →

+ 903 more Zone 6 varieties for August

Zone 5August in Illinois

835 varieties active · Last frost April 30 · 155-day season

🏠 Indoor 57🧺 Harvest 835
Full Zone 5 guide →

+ 827 more Zone 5 varieties for August

Zone 7August in Illinois

962 varieties active · Last frost April 1 · 210-day season

🏠 Indoor 57🧺 Harvest 962
Full Zone 7 guide →

+ 954 more Zone 7 varieties for August

August in Regions Overlapping Zones 5–7

August by Zone

Illinois Monthly Guides