Utah planting zones & frost dates
USDA hardiness zones in Utah go from 6a to 8b. Pick your city for its average frost dates and a planting calendar, or search by ZIP code.
| City | Zone | Avg. last frost | Avg. first frost |
|---|---|---|---|
| Alpine | 7a | May 3 | Oct 12 |
| American Fork | 7a | Apr 17 | Oct 25 |
| Bluffdale | 7a | Apr 18 | Oct 22 |
| Bountiful | 7a | Apr 25 | Oct 24 |
| Brigham City | 6a | May 5 | Oct 5 |
| Canyon Rim | 7b | Apr 25 | Oct 18 |
| Cedar City | 6b | May 4 | Oct 13 |
| Cedar Hills | 7a | May 2 | Oct 16 |
| Centerville | 7a | Apr 25 | Oct 24 |
| Clearfield | 7a | Apr 29 | Oct 20 |
| Clinton | 7a | Apr 22 | Oct 22 |
| Cottonwood Heights | 7b | Apr 29 | Oct 22 |
| Draper | 7a | Apr 18 | Oct 22 |
| Eagle Mountain | 6b | Jun 2 | Sep 16 |
| East Millcreek | 7b | Apr 25 | Oct 18 |
| Farmington | 7b | Apr 19 | Oct 19 |
| Grantsville | 7a | May 2 | Oct 14 |
| Herriman | 7a | Apr 18 | Oct 22 |
| Highland | 7a | May 3 | Oct 12 |
| Holladay | 7b | Apr 29 | Oct 22 |
| Hurricane | 8a | Apr 1 | Nov 5 |
| Kaysville | 7b | Apr 19 | Oct 19 |
| Kearns | 7b | Apr 8 | Oct 31 |
| Layton | 7a | Apr 19 | Oct 19 |
| Lehi | 7a | Apr 30 | Oct 9 |
| Lindon | 7a | Apr 17 | Oct 25 |
| Logan | 6a | May 8 | Oct 2 |
| Magna | 7b | Apr 3 | Nov 4 |
| Midvale | 7b | Apr 29 | Oct 22 |
| Millcreek | 7b | Apr 25 | Oct 18 |
| Murray | 7b | Apr 25 | Oct 18 |
| North Logan | 6a | Apr 30 | Oct 16 |
| North Ogden | 6b | Apr 19 | Oct 22 |
| North Salt Lake | 7b | Apr 24 | Oct 19 |
| Ogden | 7a | Apr 21 | Oct 23 |
| Oquirrh | 7b | Apr 8 | Oct 31 |
| Orem | 7a | Apr 19 | Oct 19 |
| Payson | 7a | May 4 | Oct 11 |
| Pleasant Grove | 7a | Apr 17 | Oct 25 |
| Provo | 7a | Apr 18 | Oct 21 |
| Riverton | 7a | Apr 18 | Oct 22 |
| Roy | 7a | Apr 22 | Oct 22 |
| Saint George | 8b | Mar 14 | Nov 10 |
| Salt Lake City | 7b | Mar 31 | Nov 8 |
| Sandy | 7b | Apr 29 | Oct 22 |
| Santaquin | 6b | May 4 | Oct 11 |
| Saratoga Springs | 7a | Apr 30 | Oct 9 |
| Smithfield | 6a | May 8 | Oct 2 |
| South Jordan | 7a | Apr 18 | Oct 22 |
| South Ogden | 6b | Apr 22 | Oct 22 |
| South Salt Lake | 7b | Mar 31 | Nov 8 |
| Spanish Fork | 7a | Apr 25 | Oct 18 |
| Springville | 7a | Apr 25 | Oct 18 |
| Syracuse | 7a | Apr 22 | Oct 22 |
| Taylorsville | 7b | Mar 31 | Nov 8 |
| Tooele | 7a | May 2 | Oct 16 |
| Vernal | 6a | May 7 | Oct 6 |
| Washington | 8b | Mar 14 | Nov 10 |
| West Haven | 7a | Apr 22 | Oct 22 |
| West Jordan | 7b | Apr 29 | Oct 22 |
| West Point | 7a | Apr 22 | Oct 22 |
| West Valley City | 7b | Apr 8 | Oct 31 |
| Woods Cross | 7a | Apr 24 | Oct 19 |
Cities with 10,000+ residents. Data: USDA Plant Hardiness Zone Map 2023 and NOAA Climate Normals 1991–2020. Sources and method.