When to plant Winter squash in Wyoming
In fall, from May 20 – June 10 in Green River to June 1 – 15 in Gillette.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Casper | — | June 1 – 15 |
| Cheyenne | — | June 1 – 15 |
| Cody | — | June 1 – 15 |
| Evanston | — | Not listed |
| Gillette | — | June 1 – 15 |
| Green River | — | May 20 – June 10 |
| Jackson | — | Not listed |
| Laramie | — | Not listed |
| Riverton | — | May 20 – June 10 |
| Rock Springs | — | May 20 – June 10 |
| Sheridan | — | May 20 – June 10 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for winter squash.