Frost Dates & Planting Calendars in Utah
Typical last spring frost, first fall frost, and growing-season length for 69 cities in Utah, based on NOAA 1991–2020 climate normals. Click a city for its full frost-date summary, monthly temperature chart, and 42-crop planting calendar.
| City | Last Spring Frost (typical) | First Fall Frost (typical) | Growing Season | USDA Zone |
|---|---|---|---|---|
| Salt Lake City | March 31 | November 8 | 224 days | 7b |
| West Valley City | April 8 | October 31 | 204 days | 7b |
| Provo | April 18 | October 21 | 185 days | 7a |
| West Jordan | April 29 | October 22 | 174 days | 7b |
| Orem | April 19 | October 19 | 182 days | 7a |
| Sandy Hills | April 29 | October 22 | 174 days | 7b |
| Sandy | April 29 | October 22 | 174 days | 7b |
| Ogden | April 21 | October 23 | 184 days | 7a |
| Layton | April 19 | October 19 | 181 days | 7a |
| Saint George | March 14 | November 10 | 239 days | 8b |
| South Jordan | April 18 | October 22 | 185 days | 7a |
| Millcreek | April 25 | October 18 | 175 days | 7b |
| Taylorsville | March 31 | November 8 | 224 days | 7b |
| Lehi | April 30 | October 9 | 159 days | 7a |
| Logan | May 8 | October 2 | 145 days | 6a |
| Murray | April 25 | October 18 | 175 days | 7b |
| Draper | April 18 | October 22 | 185 days | 7a |
| Bountiful | April 25 | October 24 | 181 days | 7a |
| Riverton | April 18 | October 22 | 185 days | 7a |
| Pleasant Grove | April 17 | October 25 | 188 days | 7a |
| Roy | April 22 | October 22 | 180 days | 7a |
| Spanish Fork | April 25 | October 18 | 174 days | 6a |
| South Jordan Heights | April 18 | October 22 | 185 days | 7a |
| Kearns | April 8 | October 31 | 204 days | 7b |
| Cottonwood Heights | April 29 | October 22 | 174 days | 6a |
| Tooele | May 2 | October 16 | 165 days | 7a |
| Midvale | April 29 | October 22 | 174 days | 7b |
| Springville | April 25 | October 18 | 174 days | 6b |
| Holladay | April 29 | October 22 | 174 days | 7b |
| Herriman | April 18 | October 22 | 185 days | 7a |
| Clearfield | April 29 | October 20 | 172 days | 7a |
| Kaysville | April 19 | October 19 | 181 days | 7b |
| Cedar City | May 4 | October 13 | 159 days | 6b |
| American Fork | April 17 | October 25 | 188 days | 6a |
| Syracuse | April 22 | October 22 | 180 days | 7b |
| Eagle Mountain | June 2 | September 16 | 103 days | 6b |
| Magna | April 3 | November 4 | 213 days | 7b |
| Saratoga Springs | April 30 | October 9 | 159 days | 7a |
| South Salt Lake | March 31 | November 8 | 224 days | 7b |
| Washington | March 14 | November 10 | 239 days | 8b |
| Farmington | April 19 | October 19 | 181 days | 7b |
| Clinton | April 22 | October 22 | 180 days | 7a |
| East Millcreek | April 25 | October 18 | 175 days | 6b |
| North Salt Lake | April 24 | October 19 | 178 days | 7b |
| Payson | May 4 | October 11 | 157 days | 6b |
| Brigham City | May 5 | October 5 | 150 days | 6b |
| North Ogden | April 19 | October 22 | 186 days | 6b |
| Highland | May 3 | October 12 | 159 days | 6a |
| South Ogden | April 22 | October 22 | 180 days | 6b |
| Centerville | April 25 | October 24 | 181 days | 6b |
| Hurricane | April 1 | November 5 | 217 days | 8a |
| West Haven | April 22 | October 22 | 180 days | 7a |
| Oquirrh | April 8 | October 31 | 204 days | 7b |
| Woods Cross | April 24 | October 19 | 178 days | 6b |
| Vernal | May 7 | October 6 | 150 days | 6a |
| Bluffdale | April 18 | October 22 | 185 days | 7a |
| Lindon | April 17 | October 25 | 188 days | 7a |
| Smithfield | May 8 | October 2 | 144 days | 6a |
| Santaquin | May 4 | October 11 | 157 days | 6b |
| West Point | April 22 | October 22 | 180 days | 7a |
| Cedar Hills | May 2 | October 16 | 161 days | 6a |
| Alpine | May 3 | October 12 | 159 days | 7a |
| North Logan | April 30 | October 16 | 166 days | 6a |
| Canyon Rim | April 25 | October 18 | 175 days | 6b |
| Grantsville | May 2 | October 14 | 164 days | 7a |
| Pleasant View | April 21 | October 23 | 184 days | 6b |
| Mapleton | April 25 | October 18 | 174 days | 7a |
| Heber City | June 4 | September 20 | 106 days | 6a |
| Washington Terrace | April 22 | October 22 | 180 days | 7a |