When to plant Garlic in Wyoming
In spring, from Apr 1 – May 1 in Casper to May 15 – June 1 in Laramie.
In fall: USDA's 1967 table lists garlic as generally spring-planted in every place here. Newer advice from your state's extension service may differ.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring |
|---|---|
| Casper | Apr 1 – May 1 |
| Cheyenne | Apr 1 – May 1 |
| Cody | Apr 1 – May 1 |
| Evanston | May 15 – June 1 |
| Gillette | Apr 1 – May 1 |
| Green River | Apr 15 – May 15 |
| Jackson | May 15 – June 1 |
| Laramie | May 15 – June 1 |
| Riverton | Apr 1 – May 1 |
| Rock Springs | Apr 15 – May 15 |
| Sheridan | Apr 15 – May 15 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. The full USDA table for garlic.