When to plant Swiss chard in Rhode Island
In spring, from Mar 15 – June 15 in Cranston to Apr 1 – June 15 in Woonsocket.
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 |
|---|---|---|
| Central Falls | Apr 1 – June 15 | June 1 – Aug 1 |
| Cranston | Mar 15 – June 15 | June 1 – Sept 10 |
| East Providence | Mar 15 – June 15 | June 1 – Sept 10 |
| Newport | Mar 15 – June 15 | June 1 – Sept 15 |
| Pawtucket | Apr 1 – June 15 | June 1 – Aug 1 |
| Providence | Mar 15 – June 15 | June 1 – Sept 10 |
| Warwick | Mar 15 – June 15 | June 1 – Sept 10 |
| Woonsocket | Apr 1 – June 15 | June 1 – Aug 1 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. The full USDA table for swiss chard.