Connecticut frost dates: E
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| East Berlin | Apr 26 | Oct 16 | 173 d | 6b |
| East Canaan | May 3 | Oct 11 | 161 d | 6a |
| East Glastonbury | Apr 17 | Oct 26 | 192 d | 6b |
| East Granby | Apr 21 | Oct 16 | 178 d | 6b |
| East Haddam | Apr 14 | Oct 24 | 193 d | 6b |
| East Hampton | Apr 17 | Oct 26 | 192 d | 6b |
| East Hartford | Apr 17 | Oct 26 | 192 d | 6b |
| East Hartland | Apr 30 | Oct 17 | 170 d | 6a |
| East Killingly | Apr 25 | Oct 19 | 177 d | 6b |
| East Lyme | Apr 16 | Oct 28 | 195 d | 7a |
| East Windsor | Apr 21 | Oct 16 | 178 d | 6b |
| East Windsor Hill | Apr 21 | Oct 16 | 178 d | 6b |
| East Woodstock | May 1 | Oct 9 | 161 d | 6a |
| Eastford | Apr 30 | Oct 15 | 168 d | 6b |
| Easton | Apr 5 | Nov 6 | 215 d | 6b |
| Ellington | Apr 21 | Oct 16 | 178 d | 6b |
| Enfield | Apr 21 | Oct 16 | 178 d | 6b |
| Essex | Apr 6 | Nov 17 | 225 d | 7a |