When to Plant Spinach in Wyoming
In a typical Wyoming location, sow outdoors Apr 5 – Apr 19. Across the state, the outdoor planting window starts as early as Mar 23 in Worland and as late as May 1 in Evanston. For a fall crop, plant around Aug 2 – Aug 16. 1 city in Wyoming is essentially frost-free and can plant on a year-round schedule.
Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Spinach Planting Dates by City
| City | Direct sow | Fall planting |
|---|---|---|
| Cheyenne | Apr 2 – Apr 16 | Aug 6 – Aug 20 |
| Casper | Mar 29 – Apr 12 | Aug 4 – Aug 18 |
| Gillette | Apr 3 – Apr 17 | Aug 6 – Aug 20 |
| Laramie | Apr 26 – May 10 | Jul 10 – Jul 24 |
| Rock Springs | Apr 12 – Apr 26 | Jul 30 – Aug 13 |
| Sheridan | Apr 9 – Apr 23 | Jul 29 – Aug 12 |
| Green River | Apr 12 – Apr 26 | Jul 28 – Aug 11 |
| Evanston | May 1 – May 15 | Jul 18 – Aug 1 |
| Riverton | Mar 31 – Apr 14 | Jul 30 – Aug 13 |
| Jackson | Frost-free: year-round planting | |
| Cody | Mar 31 – Apr 14 | Aug 6 – Aug 20 |
| Rawlins | Apr 5 – Apr 19 | Aug 7 – Aug 21 |
| Lander | Apr 6 – Apr 20 | Aug 2 – Aug 16 |
| Torrington | Mar 30 – Apr 13 | Aug 4 – Aug 18 |
| Douglas | Apr 7 – Apr 21 | Jul 29 – Aug 12 |
| Powell | Apr 7 – Apr 21 | Jul 26 – Aug 9 |
| Ranchettes | Mar 31 – Apr 14 | Aug 6 – Aug 20 |
| Worland | Mar 23 – Apr 6 | Aug 6 – Aug 20 |
| Buffalo | Apr 12 – Apr 26 | Jul 27 – Aug 10 |
| South Greeley | Apr 2 – Apr 16 | Aug 6 – Aug 20 |
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 spinach in Wyoming?
In a typical Wyoming location, sow outdoors Apr 5 – Apr 19. Across the state, the outdoor planting window starts as early as Mar 23 in Worland and as late as May 1 in Evanston. For a fall crop, plant around Aug 2 – Aug 16. 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 spinach take to grow?
Spinach typically take 40–50 days from planting to harvest. Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Other Crops in Wyoming
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- 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 spinach in other states