When to plant Collard greens in Massachusetts
In spring, from Mar 1 – June 1 in Boston to Apr 15 – June 1 in North Adams.
In fall, from June 15 – July 15 in North Adams to Aug 15 – Oct 1 in Winthrop Town.
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 |
|---|---|---|
| Agawam Town | Apr 1 – June 1 | July 1 – Aug 1 |
| Amesbury | Apr 1 – June 1 | July 1 – Aug 1 |
| Amherst Town | Apr 1 – June 1 | July 1 – Aug 1 |
| Attleboro | Apr 1 – June 1 | July 1 – Aug 1 |
| Barnstable Town | Mar 10 – June 1 | Aug 1 – Sept 15 |
| Beverly | Apr 1 – June 1 | July 1 – Aug 1 |
| Boston | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Braintree Town | Mar 10 – June 1 | July 15 – Aug 15 |
| Bridgewater Town | Apr 1 – June 1 | July 1 – Aug 1 |
| Brockton | Mar 10 – June 1 | July 15 – Aug 15 |
| Cambridge | Mar 10 – June 1 | July 15 – Aug 15 |
| Chelsea | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Chicopee | Apr 1 – June 1 | July 1 – Aug 1 |
| Easthampton | Apr 1 – June 1 | July 1 – Aug 1 |
| Everett | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Fall River | Apr 1 – June 1 | July 1 – Aug 1 |
| Fitchburg | Apr 1 – June 1 | July 1 – Aug 1 |
| Framingham | Apr 1 – June 1 | July 1 – Aug 1 |
| Franklin Town | Apr 1 – June 1 | July 1 – Aug 1 |
| Gardner | Apr 1 – June 1 | July 1 – Aug 1 |
| Gloucester | Apr 1 – June 1 | July 1 – Aug 1 |
| Greenfield | Apr 1 – June 1 | July 1 – Aug 1 |
| Haverhill | Apr 1 – June 1 | July 1 – Aug 1 |
| Holyoke | Apr 1 – June 1 | July 1 – Aug 1 |
| Lawrence | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Leominster | Apr 1 – June 1 | July 1 – Aug 1 |
| Lowell | Apr 1 – June 1 | July 1 – Aug 1 |
| Lynn | Mar 10 – June 1 | July 15 – Aug 15 |
| Malden | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Marlborough | Apr 1 – June 1 | July 1 – Aug 1 |
| Medford | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Melrose | Mar 10 – June 1 | July 15 – Aug 15 |
| Methuen | Mar 1 – June 1 | Aug 1 – Sept 15 |
| New Bedford | Apr 1 – June 1 | July 1 – Aug 1 |
| Newburyport | Apr 1 – June 1 | July 1 – Aug 1 |
| Newton | Mar 10 – June 1 | July 15 – Aug 15 |
| North Adams | Apr 15 – June 1 | June 15 – July 15 |
| North Attleborough Town | Mar 10 – June 1 | July 15 – Aug 15 |
| Northampton | Apr 1 – June 1 | July 1 – Aug 1 |
| Palmer Town | Apr 1 – June 1 | July 1 – Aug 1 |
| Peabody | Mar 10 – June 1 | July 15 – Aug 15 |
| Pittsfield | Apr 1 – June 1 | June 15 – July 15 |
| Quincy | Mar 10 – June 1 | July 15 – Aug 15 |
| Randolph Town | Mar 10 – June 1 | Aug 1 – Sept 15 |
| Revere | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Salem | Mar 10 – June 1 | July 15 – Aug 15 |
| Somerville | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Southbridge Town | Mar 10 – June 1 | July 1 – Aug 1 |
| Springfield | Apr 1 – June 1 | July 1 – Aug 1 |
| Taunton | Mar 10 – June 1 | July 15 – Aug 15 |
| Waltham | Apr 1 – June 1 | July 1 – Aug 1 |
| Watertown | Mar 10 – June 1 | July 15 – Aug 15 |
| West Springfield Town | Apr 1 – June 1 | July 1 – Aug 1 |
| Westfield | Apr 1 – June 1 | July 1 – Aug 1 |
| Weymouth Town | Mar 10 – June 1 | July 15 – Aug 15 |
| Winthrop Town | Mar 1 – June 1 | Aug 15 – Oct 1 |
| Woburn | Mar 10 – June 1 | July 15 – Aug 15 |
| Worcester | Mar 10 – June 1 | July 15 – Aug 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.