When to plant sweet potatoes in Massachusetts
Plant out in Boston
Apr 25–May 9
Across Massachusetts the window opens between April 25 and May 26. Find your city below; the dates follow each town's own average last frost.
- Plant out, Boston
- Apr 25–May 9
- Last sowing for a harvest
- Jun 28
- Last frost, Boston
- Apr 4
Plant out 3–5 weeks after the last frost. Set out slips when the soil is warm, around 65°F. They need a long, hot season.
Sweet potatoes planting dates by city
Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BostonApr 25–May 9
WorcesterMay 14–May 28
SpringfieldMay 24–Jun 7
CambridgeMay 10–May 24
LowellMay 21–Jun 4
BrocktonMay 13–May 27
LynnMay 16–May 30
QuincyMay 16–May 30
New BedfordMay 20–Jun 3
Fall RiverMay 20–Jun 3
NewtonMay 10–May 24
LawrenceMay 4–May 18
SomervilleApr 25–May 9
FraminghamMay 17–May 31
HaverhillMay 22–Jun 5
MaldenApr 25–May 9
WalthamMay 19–Jun 2
BrooklineMay 10–May 24
TauntonMay 13–May 27
RevereApr 25–May 9
MedfordApr 25–May 9
Weymouth TownMay 16–May 30
PeabodyMay 15–May 29
ChicopeeMay 24–Jun 7
MethuenMay 4–May 18
EverettApr 25–May 9
Barnstable TownMay 7–May 21
AttleboroMay 18–Jun 1
ArlingtonMay 19–Jun 2
SalemMay 16–May 30
All 69 cities
| City | Plant out | Last frost |
|---|---|---|
| Boston | Apr 25 to May 9 | Apr 4 |
| Worcester | May 14 to May 28 | Apr 23 |
| Springfield | May 24 to Jun 7 | May 3 |
| Cambridge | May 10 to May 24 | Apr 19 |
| Lowell | May 21 to Jun 4 | Apr 30 |
| Brockton | May 13 to May 27 | Apr 22 |
| Lynn | May 16 to May 30 | Apr 25 |
| Quincy | May 16 to May 30 | Apr 25 |
| New Bedford | May 20 to Jun 3 | Apr 29 |
| Fall River | May 20 to Jun 3 | Apr 29 |
| Newton | May 10 to May 24 | Apr 19 |
| Lawrence | May 4 to May 18 | Apr 13 |
| Somerville | Apr 25 to May 9 | Apr 4 |
| Framingham | May 17 to May 31 | Apr 26 |
| Haverhill | May 22 to Jun 5 | May 1 |
| Malden | Apr 25 to May 9 | Apr 4 |
| Waltham | May 19 to Jun 2 | Apr 28 |
| Brookline | May 10 to May 24 | Apr 19 |
| Taunton | May 13 to May 27 | Apr 22 |
| Revere | Apr 25 to May 9 | Apr 4 |
| Medford | Apr 25 to May 9 | Apr 4 |
| Weymouth Town | May 16 to May 30 | Apr 25 |
| Peabody | May 15 to May 29 | Apr 24 |
| Chicopee | May 24 to Jun 7 | May 3 |
| Methuen | May 4 to May 18 | Apr 13 |
| Everett | Apr 25 to May 9 | Apr 4 |
| Barnstable Town | May 7 to May 21 | Apr 16 |
| Attleboro | May 18 to Jun 1 | Apr 27 |
| Arlington | May 19 to Jun 2 | Apr 28 |
| Salem | May 16 to May 30 | Apr 25 |
| Leominster | May 20 to Jun 3 | Apr 29 |
| Woburn | May 16 to May 30 | Apr 25 |
| Beverly | May 25 to Jun 8 | May 4 |
| Pittsfield | May 26 to Jun 9 | May 5 |
| Marlborough | May 23 to Jun 6 | May 2 |
| Fitchburg | May 22 to Jun 5 | May 1 |
| Amherst Town | May 26 to Jun 9 | May 5 |
| Westfield | May 24 to Jun 7 | May 3 |
| Chelsea | Apr 25 to May 9 | Apr 4 |
| Braintree Town | May 16 to May 30 | Apr 25 |
| Holyoke | May 24 to Jun 7 | May 3 |
| Watertown | May 10 to May 24 | Apr 19 |
| Randolph Town | May 9 to May 23 | Apr 18 |
| Lexington | May 19 to Jun 2 | Apr 28 |
| Franklin Town | May 21 to Jun 4 | Apr 30 |
| Needham | May 17 to May 31 | Apr 26 |
| North Attleborough Town | May 13 to May 27 | Apr 22 |
| Norwood | May 16 to May 30 | Apr 25 |
| Northampton | May 26 to Jun 9 | May 5 |
| Gloucester | May 25 to Jun 8 | May 4 |
| Wellesley | May 17 to May 31 | Apr 26 |
| Melrose | May 16 to May 30 | Apr 25 |
| Bridgewater Town | May 22 to Jun 5 | May 1 |
| West Springfield Town | May 24 to Jun 7 | May 3 |
| Agawam Town | May 24 to Jun 7 | May 3 |
| Saugus | May 16 to May 30 | Apr 25 |
| Milton | May 9 to May 23 | Apr 18 |
| Danvers | May 15 to May 29 | Apr 24 |
| Milford | May 21 to Jun 4 | Apr 30 |
| Wakefield | May 16 to May 30 | Apr 25 |
| Belmont | May 10 to May 24 | Apr 19 |
| Burlington | May 16 to May 30 | Apr 25 |
| Reading | May 16 to May 30 | Apr 25 |
| Dedham | May 16 to May 30 | Apr 25 |
| Wilmington | May 16 to May 30 | Apr 25 |
| Stoneham | May 16 to May 30 | Apr 25 |
| Winchester | May 16 to May 30 | Apr 25 |
| Gardner | May 23 to Jun 6 | May 2 |
| Marblehead | May 16 to May 30 | Apr 25 |
Questions
When should I plant sweet potatoes in Massachusetts?
In Boston, plant out from April 25 to May 9. Across Massachusetts the window opens between April 25 and May 26, depending on the local last frost.
How is this date worked out?
Plant out 3–5 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.
More for Massachusetts
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Potatoes
Tulip bulbs
Garlic
Pumpkins
Strawberries
Onions
Carrots
Sunflowers
Cucumbers
Daffodil bulbs
Corn
Asparagus
Watermelon
Lettuce
Green beans
Sweet potatoes 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