Frost dates in Connecticut
Average last frost dates in Connecticut run from April 5 in Bridgeport to May 8 in Torrington.
| Place | Last frost | First frost |
|---|---|---|
| Ansonia | Apr 25 | Oct 17 |
| Bridgeport | Apr 5 | Nov 6 |
| Bristol | Apr 25 | Oct 18 |
| Danbury | May 1 | Oct 14 |
| Derby | Apr 25 | Oct 17 |
| Groton | Apr 16 | Oct 28 |
| Hartford | Apr 17 | Oct 26 |
| Meriden | Apr 26 | Oct 16 |
| Middletown | Apr 26 | Oct 16 |
| Milford | Apr 5 | Nov 6 |
| Naugatuck | Apr 18 | Oct 26 |
| New Britain | Apr 17 | Oct 26 |
| New Haven | Apr 17 | Oct 27 |
| New London | Apr 16 | Oct 28 |
| Norwalk | Apr 17 | Oct 23 |
| Norwich | Apr 14 | Oct 24 |
| Shelton | Apr 25 | Oct 17 |
| Stamford | Apr 17 | Oct 23 |
| Torrington | May 8 | Oct 5 |
| Waterbury | Apr 26 | Oct 16 |
| West Haven | Apr 17 | Oct 27 |
Source: NOAA U.S. Climate Normals 1991–2020, nearest station to each place. Places of 10,000+ people (US Census Bureau, 2024 estimates) within 50 miles of a station.
When to plant in Connecticut
- Asparagus
- Lima Beans
- Green Beans
- Beets
- Broccoli
- Brussels Sprouts
- Cabbage
- Chinese Cabbage
- Carrots
- Cauliflower
- Celery
- Swiss Chard
- Collard Greens
- Sweet Corn
- Cucumbers
- Eggplant
- Garlic
- Kale
- Leeks
- Lettuce
- Cantaloupe
- Okra
- Onions
- Onion Sets
- Peas
- Black-Eyed Peas
- Peppers
- Potatoes
- Radishes
- Rhubarb
- Spinach
- Summer Squash (Zucchini)
- Winter Squash
- Sweet Potatoes
- Tomatoes
- Turnips
- Watermelon