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Place calendarCrop Planting Dates in Wyoming
Published planting and harvest windows for 5 crops in Wyoming, in one calendar. Ranges only, with sources.
| Crop | Planting | Harvest |
|---|---|---|
| Alfalfa hay | Jun 6 to Oct 5 | |
| Corn | Planting: Apr 24 to Jun 6 | Oct 5 to Dec 10 |
| Spring barley | Planting: Mar 18 to Jun 2 | Jul 24 to Sep 17 |
| Spring oats | Planting: Apr 3 to Jun 9 | Jul 18 to Sep 15 |
| Winter wheat | Planting: Aug 25 to Sep 28 | Jul 13 to Aug 22 |
Calendar view
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alfalfa hay harvest | 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 | Harvest window in December | |||||||||
| Spring barley planting | Planting window, most active in March | Planting window, most active in April | Planting window, most active in May | Planting window in June | ||||||||
| Spring barley harvest | Harvest window in July | Harvest window, most active in August | Harvest window in September | |||||||||
| Spring oats planting | Planting window, most active in April | Planting window, most active in May | Planting window in June | |||||||||
| Spring oats harvest | Harvest window, most active in July | Harvest window, most active in August | Harvest window, most active in September | |||||||||
| Winter wheat planting | Planting window in August | Planting window, most active in September | ||||||||||
| 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.