Frost dates by location
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Hartford | 6b | Apr 21 | Oct 16 | 178 |
| Bridgeport | 7a | Apr 20 | Oct 24 | 187 |
| New Haven | 7a | Apr 15 | Oct 31 | 199 |
| Stamford | 7a | Apr 21 | Oct 23 | 185 |
| North Stamford | 7a | Apr 21 | Oct 23 | 185 |
| Waterbury | 6a | May 2 | Oct 12 | 163 |
| Norwalk | 7a | Apr 20 | Oct 24 | 187 |
| Danbury | 7a | Apr 20 | Oct 24 | 187 |
| East Norwalk | 7a | Apr 20 | Oct 24 | 187 |
Zones in Connecticut
Bottom line: a statewide planting date is a compromise nobody's garden actually
lives at. Connecticut's last-frost spread is
17 days wide. Use the location nearest you.
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