North Dakota frost dates: E
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Edgeley | May 7 | Oct 2 | 148 d | 4b |
| Edinburg | May 4 | Oct 7 | 156 d | 4a |
| Edmore | May 15 | Sep 22 | 130 d | 3b |
| Egeland | May 18 | Sep 23 | 128 d | 3b |
| Elgin | May 19 | Sep 25 | 129 d | 4a |
| Ellendale | May 4 | Oct 2 | 151 d | 4b |
| Emerado | May 16 | Sep 27 | 134 d | 4a |
| Enderlin | May 3 | Oct 5 | 155 d | 4a |
| Epping | May 21 | Sep 21 | 123 d | 4a |
| Erie | May 10 | Sep 24 | 137 d | 4a |
| Esmond | May 11 | Sep 28 | 140 d | 4a |