When to plant swiss chard in Massachusetts
Sow outdoors in Boston
Mar 21–Apr 18
Across Massachusetts the window opens between March 21 and April 21. Find your city below; the dates follow each town's own average last frost.
- Sow outdoors, Boston
- Mar 21–Apr 18
- Last frost, Boston
- Apr 4
Sow outdoors from 2 weeks before to 2 weeks after the last frost. Cut outer leaves and the plant keeps going until hard frost.
Swiss chard planting dates by city
Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BostonMar 21–Apr 18
WorcesterApr 9–May 7
SpringfieldApr 19–May 17
CambridgeApr 5–May 3
LowellApr 16–May 14
BrocktonApr 8–May 6
LynnApr 11–May 9
QuincyApr 11–May 9
New BedfordApr 15–May 13
Fall RiverApr 15–May 13
NewtonApr 5–May 3
LawrenceMar 30–Apr 27
SomervilleMar 21–Apr 18
FraminghamApr 12–May 10
HaverhillApr 17–May 15
MaldenMar 21–Apr 18
WalthamApr 14–May 12
BrooklineApr 5–May 3
TauntonApr 8–May 6
RevereMar 21–Apr 18
MedfordMar 21–Apr 18
Weymouth TownApr 11–May 9
PeabodyApr 10–May 8
ChicopeeApr 19–May 17
MethuenMar 30–Apr 27
EverettMar 21–Apr 18
Barnstable TownApr 2–Apr 30
AttleboroApr 13–May 11
ArlingtonApr 14–May 12
SalemApr 11–May 9
All 69 cities
| City | Sow outdoors | Last frost |
|---|---|---|
| Boston | Mar 21 to Apr 18 | Apr 4 |
| Worcester | Apr 9 to May 7 | Apr 23 |
| Springfield | Apr 19 to May 17 | May 3 |
| Cambridge | Apr 5 to May 3 | Apr 19 |
| Lowell | Apr 16 to May 14 | Apr 30 |
| Brockton | Apr 8 to May 6 | Apr 22 |
| Lynn | Apr 11 to May 9 | Apr 25 |
| Quincy | Apr 11 to May 9 | Apr 25 |
| New Bedford | Apr 15 to May 13 | Apr 29 |
| Fall River | Apr 15 to May 13 | Apr 29 |
| Newton | Apr 5 to May 3 | Apr 19 |
| Lawrence | Mar 30 to Apr 27 | Apr 13 |
| Somerville | Mar 21 to Apr 18 | Apr 4 |
| Framingham | Apr 12 to May 10 | Apr 26 |
| Haverhill | Apr 17 to May 15 | May 1 |
| Malden | Mar 21 to Apr 18 | Apr 4 |
| Waltham | Apr 14 to May 12 | Apr 28 |
| Brookline | Apr 5 to May 3 | Apr 19 |
| Taunton | Apr 8 to May 6 | Apr 22 |
| Revere | Mar 21 to Apr 18 | Apr 4 |
| Medford | Mar 21 to Apr 18 | Apr 4 |
| Weymouth Town | Apr 11 to May 9 | Apr 25 |
| Peabody | Apr 10 to May 8 | Apr 24 |
| Chicopee | Apr 19 to May 17 | May 3 |
| Methuen | Mar 30 to Apr 27 | Apr 13 |
| Everett | Mar 21 to Apr 18 | Apr 4 |
| Barnstable Town | Apr 2 to Apr 30 | Apr 16 |
| Attleboro | Apr 13 to May 11 | Apr 27 |
| Arlington | Apr 14 to May 12 | Apr 28 |
| Salem | Apr 11 to May 9 | Apr 25 |
| Leominster | Apr 15 to May 13 | Apr 29 |
| Woburn | Apr 11 to May 9 | Apr 25 |
| Beverly | Apr 20 to May 18 | May 4 |
| Pittsfield | Apr 21 to May 19 | May 5 |
| Marlborough | Apr 18 to May 16 | May 2 |
| Fitchburg | Apr 17 to May 15 | May 1 |
| Amherst Town | Apr 21 to May 19 | May 5 |
| Westfield | Apr 19 to May 17 | May 3 |
| Chelsea | Mar 21 to Apr 18 | Apr 4 |
| Braintree Town | Apr 11 to May 9 | Apr 25 |
| Holyoke | Apr 19 to May 17 | May 3 |
| Watertown | Apr 5 to May 3 | Apr 19 |
| Randolph Town | Apr 4 to May 2 | Apr 18 |
| Lexington | Apr 14 to May 12 | Apr 28 |
| Franklin Town | Apr 16 to May 14 | Apr 30 |
| Needham | Apr 12 to May 10 | Apr 26 |
| North Attleborough Town | Apr 8 to May 6 | Apr 22 |
| Norwood | Apr 11 to May 9 | Apr 25 |
| Northampton | Apr 21 to May 19 | May 5 |
| Gloucester | Apr 20 to May 18 | May 4 |
| Wellesley | Apr 12 to May 10 | Apr 26 |
| Melrose | Apr 11 to May 9 | Apr 25 |
| Bridgewater Town | Apr 17 to May 15 | May 1 |
| West Springfield Town | Apr 19 to May 17 | May 3 |
| Agawam Town | Apr 19 to May 17 | May 3 |
| Saugus | Apr 11 to May 9 | Apr 25 |
| Milton | Apr 4 to May 2 | Apr 18 |
| Danvers | Apr 10 to May 8 | Apr 24 |
| Milford | Apr 16 to May 14 | Apr 30 |
| Wakefield | Apr 11 to May 9 | Apr 25 |
| Belmont | Apr 5 to May 3 | Apr 19 |
| Burlington | Apr 11 to May 9 | Apr 25 |
| Reading | Apr 11 to May 9 | Apr 25 |
| Dedham | Apr 11 to May 9 | Apr 25 |
| Wilmington | Apr 11 to May 9 | Apr 25 |
| Stoneham | Apr 11 to May 9 | Apr 25 |
| Winchester | Apr 11 to May 9 | Apr 25 |
| Gardner | Apr 18 to May 16 | May 2 |
| Marblehead | Apr 11 to May 9 | Apr 25 |
Questions
When should I plant swiss chard in Massachusetts?
In Boston, sow outdoors from March 21 to April 18. Across Massachusetts the window opens between March 21 and April 21, depending on the local last frost.
How is this date worked out?
Sow outdoors from 2 weeks before to 2 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.
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Swiss chard in other states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming