Wyoming planting calendars
Planting calendars, USDA hardiness zones, and average frost dates for 108 Wyoming locations (Albin, WY, Alcova, WY, Alta, WY, Arrowhead Springs, WY, Arvada, WY, Atlantic, WY, Baggs, WY, Bairoil, WY, Basin, WY, Beulah, WY, Big Horn, WY, Bondurant, WY, and 96 more). Pick a location to see its zone, average last and first frost dates, growing-season length, and a printable per-crop planting calendar, all from public NOAA and USDA data.
Locations in Wyoming
| Location | USDA zone | Last frost | First frost | Season (days) |
|---|---|---|---|---|
| Albin | 5b −15 to −10 °F | May 14 | Oct 2 | 142 |
| Alcova | 5a −20 to −15 °F | May 9 | Oct 7 | 148 |
| Alta | 5a −20 to −15 °F | Jun 14 | Sep 11 | 85 |
| Arrowhead Springs | 5b −15 to −10 °F | May 22 | Sep 28 | 126 |
| Arvada | 4b −25 to −20 °F | May 14 | Sep 30 | 137 |
| Atlantic | 5a −20 to −15 °F | May 13 | Oct 2 | 140 |
| Baggs | 4b −25 to −20 °F | Jun 1 | Sep 18 | 108 |
| Bairoil | 5b −15 to −10 °F | May 21 | Sep 27 | 126 |
| Basin | 4b −25 to −20 °F | Apr 28 | Oct 10 | 164 |
| Beulah | 5a −20 to −15 °F | May 17 | Sep 27 | 132 |
| Big Horn | 5a −20 to −15 °F | May 21 | Sep 23 | 123 |
| Bondurant | 4b −25 to −20 °F | Jun 20 | Sep 1 | 71 |
| Boulder | 4a −30 to −25 °F | May 18 | Sep 27 | 131 |
| Buffalo | 5a −20 to −15 °F | May 24 | Sep 21 | 118 |
| Burlington | 5a −20 to −15 °F | May 12 | Sep 28 | 136 |
| Burlington | 4b −25 to −20 °F | May 12 | Sep 28 | 136 |
| Carpenter | 5a −20 to −15 °F | May 14 | Sep 26 | 133 |
| Carpenter | 5b −15 to −10 °F | May 14 | Sep 26 | 133 |
| Casper | 5a −20 to −15 °F | May 26 | Sep 22 | 117 |
| Casper Mountain | 5a −20 to −15 °F | May 10 | Sep 29 | 138 |
| Centennial | 5a −20 to −15 °F | Jun 2 | Sep 19 | 106 |
| Chugwater | 5b −15 to −10 °F | May 22 | Sep 24 | 125 |
| Chugwater | 5a −20 to −15 °F | May 18 | Sep 24 | 129 |
| Clearmont | 5a −20 to −15 °F | May 14 | Sep 30 | 137 |
| Cody | 5a −20 to −15 °F | May 27 | Sep 25 | 121 |
| Cokeville | 4a −30 to −25 °F | May 19 | Sep 21 | 123 |
| Cora | 4b −25 to −20 °F | Jun 1 | Sep 14 | 104 |
| Daniel | 4a −30 to −25 °F | Jun 20 | Sep 1 | 71 |
| Deaver | 5a −20 to −15 °F | May 6 | Oct 1 | 148 |
| Dixon | 5b −15 to −10 °F | Jun 1 | Sep 18 | 108 |
| Douglas | 5a −20 to −15 °F | May 23 | Sep 22 | 122 |
| Elk Mountain | 5a −20 to −15 °F | May 28 | Sep 13 | 108 |
| Esterbrook | 5a −20 to −15 °F | Jun 2 | Sep 9 | 99 |
| Ethete | 5a −20 to −15 °F | May 16 | Sep 28 | 133 |
| Fairview | 5a −20 to −15 °F | Jun 20 | Sep 1 | 71 |
| Farson | 4a −30 to −25 °F | May 22 | Sep 28 | 126 |
| Fort Washakie | 5a −20 to −15 °F | May 21 | Sep 20 | 119 |
| Gillette | 5a −20 to −15 °F | May 22 | Sep 25 | 125 |
| Glendo | 5a −20 to −15 °F | May 9 | Oct 5 | 148 |
| Greybull | 4b −25 to −20 °F | May 4 | Oct 1 | 149 |
| Guernsey | 5a −20 to −15 °F | May 14 | Sep 26 | 134 |
| Hanna | 5a −20 to −15 °F | May 20 | Sep 28 | 128 |
| Hillsdale | 5a −20 to −15 °F | May 21 | Sep 24 | 124 |
| Hoback | 4b −25 to −20 °F | Jun 20 | Aug 31 | 70 |
| Hudson | 5a −20 to −15 °F | May 18 | Sep 27 | 131 |
| Hulett | 5a −20 to −15 °F | May 17 | Sep 23 | 128 |
| Hulett | 4b −25 to −20 °F | May 17 | Sep 23 | 128 |
| Hyattville | 5a −20 to −15 °F | May 16 | Sep 24 | 130 |
| James | 5a −20 to −15 °F | May 24 | Sep 22 | 120 |
| Jeffrey | 4b −25 to −20 °F | Jun 1 | Sep 13 | 104 |
| Kaycee | 5a −20 to −15 °F | May 18 | Sep 25 | 129 |
| Kelly | 5a −20 to −15 °F | Jun 20 | Aug 31 | 70 |
| Kelly | 5a −20 to −15 °F | Jun 24 | Aug 28 | 63 |
| Kemmerer | 4b −25 to −20 °F | Jun 14 | Sep 1 | 76 |
| Kemmerer | 4b −25 to −20 °F | May 25 | Sep 27 | 124 |
| Kemmerer | 5a −20 to −15 °F | Jun 9 | Sep 4 | 84 |
| Kirby | 4b −25 to −20 °F | May 5 | Oct 5 | 152 |
| La Barge | 4a −30 to −25 °F | Jun 9 | Sep 4 | 84 |
| LaGrange | 5a −20 to −15 °F | May 21 | Sep 21 | 121 |
| Lance Creek | 4b −25 to −20 °F | May 17 | Sep 25 | 129 |
| Laramie | 5b −15 to −10 °F | May 27 | Sep 19 | 115 |
| Laramie | 4a −30 to −25 °F | Jun 2 | Sep 15 | 102 |
| Little America | 5a −20 to −15 °F | May 25 | Sep 27 | 124 |
| Lonetree | 5b −15 to −10 °F | Jun 14 | Sep 9 | 84 |
| Lovell | 5a −20 to −15 °F | May 9 | Sep 29 | 142 |
| Lusk | 5a −20 to −15 °F | May 16 | Sep 24 | 130 |
| Manville | 5a −20 to −15 °F | May 23 | Sep 20 | 119 |
| McKinnon | 5b −15 to −10 °F | May 22 | Sep 29 | 128 |
| Medicine Bow | 4a −30 to −25 °F | Jun 1 | Sep 8 | 97 |
| Meeteetse | 4b −25 to −20 °F | May 24 | Sep 15 | 114 |
| Midwest | 5a −20 to −15 °F | May 22 | Sep 22 | 121 |
| Newcastle | 4b −25 to −20 °F | May 13 | Oct 3 | 143 |
| Nordic | 5b −15 to −10 °F | Jun 20 | Sep 1 | 71 |
| Owl Creek | 5a −20 to −15 °F | May 5 | Oct 5 | 152 |
| Parkman | 4b −25 to −20 °F | May 16 | Sep 24 | 130 |
| Parkman | 5a −20 to −15 °F | May 24 | Sep 18 | 114 |
| Pine Bluffs | 5a −20 to −15 °F | May 16 | Sep 27 | 132 |
| Pine Haven | 4b −25 to −20 °F | May 23 | Sep 20 | 118 |
| Powder River | 5a −20 to −15 °F | May 30 | Sep 22 | 115 |
| Powder River | 5a −20 to −15 °F | May 14 | Oct 3 | 140 |
| Powder River | 5a −20 to −15 °F | May 23 | Sep 20 | 121 |
| Ralston | 5a −20 to −15 °F | May 18 | Sep 22 | 125 |
| Ralston | 5a −20 to −15 °F | May 19 | Sep 20 | 123 |
| Ranchettes | 5b −15 to −10 °F | May 12 | Oct 1 | 141 |
| Reliance | 5a −20 to −15 °F | May 22 | Sep 28 | 126 |
| Riverton | 5a −20 to −15 °F | May 12 | Sep 24 | 132 |
| Robertson | 5a −20 to −15 °F | Jun 14 | Sep 9 | 84 |
| Rock River | 4a −30 to −25 °F | May 22 | Sep 24 | 125 |
| Rock River | 4b −25 to −20 °F | Jun 1 | Sep 8 | 97 |
| Saratoga | 5a −20 to −15 °F | Jun 2 | Sep 12 | 101 |
| Sheridan | 5a −20 to −15 °F | May 18 | Sep 24 | 127 |
| Shoshoni | 4b −25 to −20 °F | May 5 | Oct 7 | 153 |
| Sinclair | 5a −20 to −15 °F | Jun 1 | Sep 15 | 105 |
| Sleepy Hollow | 4b −25 to −20 °F | May 15 | Oct 1 | 136 |
| Story | 5a −20 to −15 °F | May 24 | Sep 23 | 120 |
| Sundance | 4b −25 to −20 °F | May 21 | Sep 25 | 124 |
| Table Rock | 4b −25 to −20 °F | Jun 5 | Sep 14 | 101 |
| Ten Sleep | 5a −20 to −15 °F | May 22 | Sep 18 | 117 |
| Teton | 4a −30 to −25 °F | Jun 24 | Aug 28 | 63 |
| Torrington | 5a −20 to −15 °F | May 11 | Sep 29 | 139 |
| Upton | 4b −25 to −20 °F | May 20 | Sep 23 | 123 |
| Van Tassell | 5a −20 to −15 °F | May 17 | Sep 28 | 133 |
| Veteran | 5a −20 to −15 °F | May 15 | Sep 27 | 132 |
| Westview Circle | 5a −20 to −15 °F | May 19 | Sep 22 | 125 |
| Wilson | 5b −15 to −10 °F | Jun 14 | Sep 11 | 85 |
| Woods Landing-Jelm | 4b −25 to −20 °F | Jun 2 | Sep 15 | 102 |
| Worland | 4b −25 to −20 °F | May 4 | Oct 1 | 149 |
| Wright | 5a −20 to −15 °F | May 25 | Sep 23 | 120 |
Data: NOAA NCEI U.S. Climate Normals 1991–2020 (public domain) and USDA Plant Hardiness Zone Map 2023. Planting windows synthesized from U.S. Cooperative Extension guides.
More ways to explore
Browse by USDA hardiness zone, see when to plant common crops, or read the methodology behind every figure. This site lists 108 Wyoming locations, mapping every ZIP in the state to its nearest weather station with a full 30-year record.