When to Plant Corn in Wyoming
In a typical Wyoming location, sow outdoors May 17 – May 31. Across the state, the outdoor planting window starts as early as May 4 in Worland and as late as Jun 12 in Evanston. 1 city in Wyoming is essentially frost-free and can plant on a year-round schedule.
Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks.
Corn Planting Dates by City
| City | Direct sow |
|---|---|
| Cheyenne | May 14 – May 28 |
| Casper | May 10 – May 24 |
| Gillette | May 15 – May 29 |
| Laramie | Jun 7 – Jun 21 |
| Rock Springs | May 24 – Jun 7 |
| Sheridan | May 21 – Jun 4 |
| Green River | May 24 – Jun 7 |
| Evanston | Jun 12 – Jun 26 |
| Riverton | May 12 – May 26 |
| Jackson | Frost-free: year-round planting |
| Cody | May 12 – May 26 |
| Rawlins | May 17 – May 31 |
| Lander | May 18 – Jun 1 |
| Torrington | May 11 – May 25 |
| Douglas | May 19 – Jun 2 |
| Powell | May 19 – Jun 2 |
| Ranchettes | May 12 – May 26 |
| Worland | May 4 – May 18 |
| Buffalo | May 24 – Jun 7 |
| South Greeley | May 14 – May 28 |
Showing the 20 most populous of 20 Wyoming cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Wyoming cities.
Frequently Asked Questions
When should I plant corn in Wyoming?
In a typical Wyoming location, sow outdoors May 17 – May 31. Across the state, the outdoor planting window starts as early as May 4 in Worland and as late as Jun 12 in Evanston. 1 city in Wyoming is essentially frost-free and can plant on a year-round schedule.
When is the last frost in Wyoming?
The average last spring frost in Wyoming ranges from May 4 in Worland to June 12 in Evanston, based on NOAA 1991–2020 climate normals.
How long do corn take to grow?
Corn typically take 60–100 days from planting to harvest. Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks.
Other Crops in Wyoming
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant corn in other states