When to plant Swiss chard in Connecticut
In spring, from Mar 15 – June 15 in Bridgeport to Apr 20 – June 15 in Torrington.
In fall, June 1 – Aug 1.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Ansonia | Apr 1 – June 15 | June 1 – Aug 1 |
| Bridgeport | Mar 15 – June 15 | June 1 – Sept 15 |
| Bristol | Apr 1 – June 15 | June 1 – Aug 1 |
| Danbury | Apr 15 – June 15 | June 1 – July 20 |
| Derby | Apr 1 – June 15 | June 1 – Aug 1 |
| Groton | Apr 1 – June 15 | June 1 – Sept 10 |
| Hartford | Apr 1 – June 15 | June 1 – Sept 10 |
| Meriden | Apr 15 – June 15 | June 1 – Aug 1 |
| Middletown | Apr 15 – June 15 | June 1 – Aug 1 |
| Milford | Mar 15 – June 15 | June 1 – Sept 15 |
| Naugatuck | Apr 1 – June 15 | June 1 – Sept 10 |
| New Britain | Apr 1 – June 15 | June 1 – Sept 10 |
| New Haven | Apr 1 – June 15 | June 1 – Sept 10 |
| New London | Apr 1 – June 15 | June 1 – Sept 10 |
| Norwalk | Apr 1 – June 15 | June 1 – Aug 1 |
| Norwich | Mar 15 – June 15 | June 1 – Aug 1 |
| Shelton | Apr 1 – June 15 | June 1 – Aug 1 |
| Stamford | Apr 1 – June 15 | June 1 – Aug 1 |
| Torrington | Apr 20 – June 15 | June 1 – July 5 |
| Waterbury | Apr 15 – June 15 | June 1 – Aug 1 |
| West Haven | Apr 1 – June 15 | June 1 – Sept 10 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for swiss chard.