When to plant carrot in Massachusetts
Massachusetts spans USDA zones 5b–7b, so the right time to plant carrot shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 14 in Boston to April 19 in North Adams — below are local dates for 89 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Boston | 7a | April 4 | November 9 | March 14 – April 25 |
| Worcester | 6a | April 23 | October 21 | April 2 – May 14 |
| Springfield | 6a | May 3 | October 8 | April 12 – May 24 |
| Cambridge | 6b | April 19 | October 23 | March 29 – May 10 |
| Lowell | 6b | April 30 | October 10 | April 9 – May 21 |
| Brockton | 6b | April 22 | October 19 | April 1 – May 13 |
| Quincy | 7a | April 25 | October 22 | April 4 – May 16 |
| Lynn | 7a | April 25 | October 20 | April 4 – May 16 |
Carrot in Massachusetts: FAQ
When can I plant carrot in Massachusetts?
Across Massachusetts, the time to direct-sow carrot spans roughly March 14 in Boston to April 19 in North Adams, each following that city's local frost dates.
Does the carrot planting date vary across Massachusetts?
Yes. Massachusetts publishes 89 cities with their own frost dates, so the right carrot planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does carrot take to grow in Massachusetts?
Carrot takes about 60–80 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.