What to Plant in September in South Dakota
Your September planting guide for South Dakota (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.
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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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969
Harvest
South Dakota · Zones 3–5
Zone 4 September guideZone 4 — September in South Dakota★ Most of SD
913 varieties active · Last frost May 10 · 135-day season
🏠 Indoor 57🧺 Harvest 913
Zone 3 — September in South Dakota
841 varieties active · Last frost May 15 · 120-day season
🏠 Indoor 57🧺 Harvest 841
Zone 5 — September in South Dakota
963 varieties active · Last frost April 30 · 155-day season
🏠 Indoor 57🧺 Harvest 963