When to plant Swiss chard in Massachusetts
In spring, from Mar 1 – May 25 in Boston to Apr 20 – June 15 in North Adams.
In fall, June 1 – July 20.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Agawam Town | Apr 15 – June 15 | June 1 – July 20 |
| Amesbury | Apr 15 – June 15 | June 1 – July 20 |
| Amherst Town | Apr 15 – June 15 | June 1 – July 20 |
| Attleboro | Apr 15 – June 15 | June 1 – July 20 |
| Barnstable Town | Apr 1 – June 15 | June 1 – Sept 10 |
| Beverly | Apr 15 – June 15 | June 1 – July 20 |
| Boston | Mar 1 – May 25 | June 1 – Sept 15 |
| Braintree Town | Apr 1 – June 15 | June 1 – Aug 1 |
| Bridgewater Town | Apr 15 – June 15 | June 1 – July 20 |
| Brockton | Apr 1 – June 15 | June 1 – Aug 1 |
| Cambridge | Apr 1 – June 15 | June 1 – Aug 1 |
| Chelsea | Mar 1 – May 25 | June 1 – Sept 15 |
| Chicopee | Apr 15 – June 15 | June 1 – July 20 |
| Easthampton | Apr 15 – June 15 | June 1 – July 20 |
| Everett | Mar 1 – May 25 | June 1 – Sept 15 |
| Fall River | Apr 15 – June 15 | June 1 – July 20 |
| Fitchburg | Apr 15 – June 15 | June 1 – July 20 |
| Framingham | Apr 15 – June 15 | June 1 – July 20 |
| Franklin Town | Apr 15 – June 15 | June 1 – July 20 |
| Gardner | Apr 15 – June 15 | June 1 – July 20 |
| Gloucester | Apr 15 – June 15 | June 1 – July 20 |
| Greenfield | Apr 15 – June 15 | June 1 – July 20 |
| Haverhill | Apr 15 – June 15 | June 1 – July 20 |
| Holyoke | Apr 15 – June 15 | June 1 – July 20 |
| Lawrence | Mar 15 – June 15 | June 1 – Sept 10 |
| Leominster | Apr 15 – June 15 | June 1 – July 20 |
| Lowell | Apr 15 – June 15 | June 1 – July 20 |
| Lynn | Apr 1 – June 15 | June 1 – Aug 1 |
| Malden | Mar 1 – May 25 | June 1 – Sept 15 |
| Marlborough | Apr 15 – June 15 | June 1 – July 20 |
| Medford | Mar 1 – May 25 | June 1 – Sept 15 |
| Melrose | Apr 1 – June 15 | June 1 – Aug 1 |
| Methuen | Mar 15 – June 15 | June 1 – Sept 10 |
| New Bedford | Apr 15 – June 15 | June 1 – July 20 |
| Newburyport | Apr 15 – June 15 | June 1 – July 20 |
| Newton | Apr 1 – June 15 | June 1 – Aug 1 |
| North Adams | Apr 20 – June 15 | June 1 – July 5 |
| North Attleborough Town | Apr 1 – June 15 | June 1 – Aug 1 |
| Northampton | Apr 15 – June 15 | June 1 – July 20 |
| Palmer Town | Apr 15 – June 15 | June 1 – July 20 |
| Peabody | Apr 1 – June 15 | June 1 – Aug 1 |
| Pittsfield | Apr 15 – June 15 | June 1 – July 5 |
| Quincy | Apr 1 – June 15 | June 1 – Aug 1 |
| Randolph Town | Apr 1 – June 15 | June 1 – Sept 10 |
| Revere | Mar 1 – May 25 | June 1 – Sept 15 |
| Salem | Apr 1 – June 15 | June 1 – Aug 1 |
| Somerville | Mar 1 – May 25 | June 1 – Sept 15 |
| Southbridge Town | Apr 1 – June 15 | June 1 – July 20 |
| Springfield | Apr 15 – June 15 | June 1 – July 20 |
| Taunton | Apr 1 – June 15 | June 1 – Aug 1 |
| Waltham | Apr 15 – June 15 | June 1 – July 20 |
| Watertown | Apr 1 – June 15 | June 1 – Aug 1 |
| West Springfield Town | Apr 15 – June 15 | June 1 – July 20 |
| Westfield | Apr 15 – June 15 | June 1 – July 20 |
| Weymouth Town | Apr 1 – June 15 | June 1 – Aug 1 |
| Winthrop Town | Mar 1 – May 25 | June 1 – Sept 15 |
| Woburn | Apr 1 – June 15 | June 1 – Aug 1 |
| Worcester | 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.