When to plant Collard greens in Connecticut
In spring, from Mar 1 – June 1 in Bridgeport to Apr 15 – June 1 in Torrington.
In fall, from June 15 – July 15 in Torrington to Aug 15 – Oct 1 in Milford.
Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Ansonia | Mar 10 – June 1 | July 15 – Aug 15 |
| Bridgeport | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Bristol | Mar 10 – June 1 | July 15 – Aug 15 |
| Danbury | Apr 1 – June 1 | July 1 – Aug 1 |
| Derby | Mar 10 – June 1 | July 15 – Aug 15 |
| Groton | Mar 10 – June 1 | Aug 1 – Sept 15 |
| Hartford | Mar 10 – June 1 | Aug 1 – Sept 15 |
| Meriden | Apr 1 – June 1 | July 15 – Aug 15 |
| Middletown | Apr 1 – June 1 | July 15 – Aug 15 |
| Milford | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Naugatuck | Mar 10 – June 1 | Aug 1 – Sept 15 |
| New Britain | Mar 10 – June 1 | Aug 1 – Sept 15 |
| New Haven | Mar 10 – June 1 | Aug 1 – Sept 15 |
| New London | Mar 10 – June 1 | Aug 1 – Sept 15 |
| Norwalk | Mar 10 – June 1 | July 15 – Aug 15 |
| Norwich | Mar 1 – June 1 | July 15 – Aug 15 |
| Shelton | Mar 10 – June 1 | July 15 – Aug 15 |
| Stamford | Mar 10 – June 1 | July 15 – Aug 15 |
| Torrington | Apr 15 – June 1 | June 15 – July 15 |
| Waterbury | Apr 1 – June 1 | July 15 – Aug 15 |
| West Haven | Mar 10 – June 1 | Aug 1 – Sept 15 |
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 collards.