When to plant Radishes in Connecticut
In spring, from Mar 1 – May 1 in Bridgeport to Apr 1 – June 1 in Torrington.
In fall, from July 1 – Sept 1 in Torrington to Sept 1 – Nov 15 in Milford.
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 – May 10 | Aug 1 – Oct 1 |
| Bridgeport | Mar 1 – May 1 | Sept 1 – Nov 15Now |
| Bristol | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Danbury | Mar 20 – May 10 | July 15 – Sept 15 |
| Derby | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Groton | Mar 10 – May 10 | Aug 15 – Oct 15 |
| Hartford | Mar 10 – May 10 | Aug 15 – Oct 15 |
| Meriden | Mar 20 – May 10 | Aug 1 – Oct 1 |
| Middletown | Mar 20 – May 10 | Aug 1 – Oct 1 |
| Milford | Mar 1 – May 1 | Sept 1 – Nov 15Now |
| Naugatuck | Mar 10 – May 10 | Aug 15 – Oct 15 |
| New Britain | Mar 10 – May 10 | Aug 15 – Oct 15 |
| New Haven | Mar 10 – May 10 | Aug 15 – Oct 15 |
| New London | Mar 10 – May 10 | Aug 15 – Oct 15 |
| Norwalk | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Norwich | Mar 1 – May 1 | Aug 1 – Oct 1 |
| Shelton | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Stamford | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Torrington | Apr 1 – June 1 | July 1 – Sept 1 |
| Waterbury | Mar 20 – May 10 | Aug 1 – Oct 1 |
| West Haven | Mar 10 – May 10 | Aug 15 – Oct 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 radishes.