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Place calendarCrop Planting Dates in Wisconsin
Published planting and harvest windows for 6 crops in Wisconsin, in one calendar. Ranges only, with sources.
| Crop | Planting | Harvest |
|---|---|---|
| Alfalfa hay | May 20 to Oct 10 | |
| Corn | Planting: Apr 26 to Jun 4 | Oct 2 to Nov 28 |
| Soybeans | Planting: May 7 to Jun 14 | Sep 29 to Nov 8 |
| Spring barley | Planting: Apr 5 to Apr 30 | Aug 1 to Aug 20 |
| Spring oats | Planting: Apr 11 to May 18 | Jul 22 to Aug 30 |
| Winter wheat | Planting: Sep 30 to Oct 15 | Jul 17 to Aug 19 |
Calendar view
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alfalfa hay harvest | Harvest window in May | Harvest window in June | Harvest window in July | Harvest window in August | Harvest window in September | Harvest window in October | ||||||
| Corn planting | Planting window in April | Planting window, most active in May | Planting window in June | |||||||||
| Corn harvest | Harvest window, most active in October | Harvest window, most active in November | ||||||||||
| Soybeans planting | Planting window, most active in May | Planting window, most active in June | ||||||||||
| Soybeans harvest | Harvest window in September | Harvest window, most active in October | Harvest window in November | |||||||||
| Spring barley planting | Planting window, most active in April | |||||||||||
| Spring barley harvest | Harvest window, most active in August | |||||||||||
| Spring oats planting | Planting window, most active in April | Planting window, most active in May | ||||||||||
| Spring oats harvest | Harvest window, most active in July | Harvest window, most active in August | ||||||||||
| Winter wheat planting | Planting window in September | Planting window, most active in October | ||||||||||
| Winter wheat harvest | Harvest window, most active in July | Harvest window, most active in August |
Frost-date caveat: published dates are averages. Find your own last and first frost dates and compare them with these ranges before you plant.
Last reviewed: November 2026. Source: USDA NASS, Field Crops Usual Planting and Harvesting Dates (October 2010 edition, copy hosted by Cornell University Mann Library). Dates are the usual start and end of the period when about 5% to 95% of the crop is planted or harvested, from long-run state progress data. They are historic averages, not a forecast.