Utah frost dates: E
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Eagle Mountain | Apr 30 | Oct 9 | 162 d | 6b |
| East Carbon | Apr 26 | Oct 25 | 182 d | 6b |
| Echo | May 30 | Sep 18 | 111 d | 6a |
| Eden | May 25 | Sep 26 | 124 d | 6a |
| Elberta | May 4 | Oct 11 | 160 d | 6b |
| Elmo | May 27 | Sep 26 | 122 d | 6a |
| Elsinore | May 21 | Sep 24 | 126 d | 6a |
| Emery | May 29 | Sep 26 | 120 d | 6b |
| Enterprise | May 21 | Oct 2 | 134 d | 7a |
| Ephraim | May 28 | Sep 20 | 115 d | 6a |
| Escalante | May 8 | Oct 10 | 155 d | 7a |
| Eureka | May 4 | Oct 11 | 160 d | 6b |