When to Plant Pumpkins in Wyoming
In a typical Wyoming location, sow outdoors May 24 – Jun 7. Across the state, the outdoor planting window starts as early as May 11 in Worland and as late as Jun 19 in Evanston. 1 city in Wyoming is essentially frost-free and can plant on a year-round schedule.
Direct sow 1-3 weeks after last frost; back-time from your first fall frost so the 90-120 day maturity window lands before it.
Pumpkins Planting Dates by City
| City | Direct sow |
|---|---|
| Cheyenne | May 21 – Jun 4 |
| Casper | May 17 – May 31 |
| Gillette | May 22 – Jun 5 |
| Laramie | Jun 14 – Jun 28 |
| Rock Springs | May 31 – Jun 14 |
| Sheridan | May 28 – Jun 11 |
| Green River | May 31 – Jun 14 |
| Evanston | Jun 19 – Jul 3 |
| Riverton | May 19 – Jun 2 |
| Jackson | Frost-free: year-round planting |
| Cody | May 19 – Jun 2 |
| Rawlins | May 24 – Jun 7 |
| Lander | May 25 – Jun 8 |
| Torrington | May 18 – Jun 1 |
| Douglas | May 26 – Jun 9 |
| Powell | May 26 – Jun 9 |
| Ranchettes | May 19 – Jun 2 |
| Worland | May 11 – May 25 |
| Buffalo | May 31 – Jun 14 |
| South Greeley | May 21 – Jun 4 |
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 pumpkins in Wyoming?
In a typical Wyoming location, sow outdoors May 24 – Jun 7. Across the state, the outdoor planting window starts as early as May 11 in Worland and as late as Jun 19 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 pumpkins take to grow?
Pumpkins typically take 90–120 days from planting to harvest. Direct sow 1-3 weeks after last frost; back-time from your first fall frost so the 90-120 day maturity window lands before it.
Other Crops in Wyoming
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Watermelon
- Cantaloupe
- Corn
- 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 pumpkins in other states