When to plant Leeks in Massachusetts
In spring, from Feb 15 – Mar 15 in Boston to Apr 15 – May 15 in North Adams.
In fall: USDA's 1967 table lists leeks as generally spring-planted in every place here. Newer advice from your state's extension service may differ.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring |
|---|---|
| Agawam Town | Apr 1 – May 1 |
| Amesbury | Apr 1 – May 1 |
| Amherst Town | Apr 1 – May 1 |
| Attleboro | Apr 1 – May 1 |
| Barnstable Town | Mar 15 – Apr 15 |
| Beverly | Apr 1 – May 1 |
| Boston | Feb 15 – Mar 15 |
| Braintree Town | Mar 15 – Apr 15 |
| Bridgewater Town | Apr 1 – May 1 |
| Brockton | Mar 15 – Apr 15 |
| Cambridge | Mar 15 – Apr 15 |
| Chelsea | Feb 15 – Mar 15 |
| Chicopee | Apr 1 – May 1 |
| Easthampton | Apr 1 – May 1 |
| Everett | Feb 15 – Mar 15 |
| Fall River | Apr 1 – May 1 |
| Fitchburg | Apr 1 – May 1 |
| Framingham | Apr 1 – May 1 |
| Franklin Town | Apr 1 – May 1 |
| Gardner | Apr 1 – May 1 |
| Gloucester | Apr 1 – May 1 |
| Greenfield | Apr 1 – May 1 |
| Haverhill | Apr 1 – May 1 |
| Holyoke | Apr 1 – May 1 |
| Lawrence | Mar 1 – Apr 1 |
| Leominster | Apr 1 – May 1 |
| Lowell | Apr 1 – May 1 |
| Lynn | Mar 15 – Apr 15 |
| Malden | Feb 15 – Mar 15 |
| Marlborough | Apr 1 – May 1 |
| Medford | Feb 15 – Mar 15 |
| Melrose | Mar 15 – Apr 15 |
| Methuen | Mar 1 – Apr 1 |
| New Bedford | Apr 1 – May 1 |
| Newburyport | Apr 1 – May 1 |
| Newton | Mar 15 – Apr 15 |
| North Adams | Apr 15 – May 15 |
| North Attleborough Town | Mar 15 – Apr 15 |
| Northampton | Apr 1 – May 1 |
| Palmer Town | Apr 1 – May 1 |
| Peabody | Mar 15 – Apr 15 |
| Pittsfield | Apr 1 – May 1 |
| Quincy | Mar 15 – Apr 15 |
| Randolph Town | Mar 15 – Apr 15 |
| Revere | Feb 15 – Mar 15 |
| Salem | Mar 15 – Apr 15 |
| Somerville | Feb 15 – Mar 15 |
| Southbridge Town | Mar 15 – Apr 15 |
| Springfield | Apr 1 – May 1 |
| Taunton | Mar 15 – Apr 15 |
| Waltham | Apr 1 – May 1 |
| Watertown | Mar 15 – Apr 15 |
| West Springfield Town | Apr 1 – May 1 |
| Westfield | Apr 1 – May 1 |
| Weymouth Town | Mar 15 – Apr 15 |
| Winthrop Town | Feb 15 – Mar 15 |
| Woburn | Mar 15 – Apr 15 |
| Worcester | Mar 15 – Apr 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 leeks.