What to Plant in August in Wisconsin
Your August planting guide for Wisconsin (USDA Zones 3–5, typically Zone 4). We've broken out activities by zone — jump to yours below.
Growing season varies across Zones 3–5 — 120–155 days. Pick the zone that matches your part of the state.
🏠
57
Start Indoors
🌿
162
Transplant Outdoors
🌱
591
Direct Sow
🧺
841
Harvest
Zone 4 — August in Wisconsin★ Most of WI
729 varieties active · Last frost May 10 · 135-day season
🏠 Indoor 57🧺 Harvest 729
Zone 3 — August in Wisconsin
1337 varieties active · Last frost May 15 · 120-day season
🏠 Indoor 57🌿 Transplant 162🌱 Sow 591🧺 Harvest 609
Zone 5 — August in Wisconsin
835 varieties active · Last frost April 30 · 155-day season
🏠 Indoor 57🧺 Harvest 835
