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 5–7 — 155–210 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 guideZone 6 — August in Illinois★ Most of IL
911 varieties active · Last frost April 15 · 180-day season
🏠 Indoor 57🧺 Harvest 911
Zone 5 — August in Illinois
835 varieties active · Last frost April 30 · 155-day season
🏠 Indoor 57🧺 Harvest 835
Zone 7 — August in Illinois
962 varieties active · Last frost April 1 · 210-day season
🏠 Indoor 57🧺 Harvest 962