When to plant broccoli in Massachusetts
Massachusetts spans USDA zones 5b–7b, so the right time to plant broccoli shifts by weeks across the state. The window to transplant seedlings 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 | Transplant out |
|---|---|---|---|---|
| Boston | 7a | April 4 | November 9 | March 14 – March 28 |
| Worcester | 6a | April 23 | October 21 | April 2 – April 16 |
| Springfield | 6a | May 3 | October 8 | April 12 – April 26 |
| Cambridge | 6b | April 19 | October 23 | March 29 – April 12 |
| Lowell | 6b | April 30 | October 10 | April 9 – April 23 |
| Brockton | 6b | April 22 | October 19 | April 1 – April 15 |
| Quincy | 7a | April 25 | October 22 | April 4 – April 18 |
| Lynn | 7a | April 25 | October 20 | April 4 – April 18 |
Broccoli in Massachusetts: FAQ
When can I plant broccoli in Massachusetts?
Across Massachusetts, the time to transplant broccoli spans roughly March 14 in Boston to April 19 in North Adams, each following that city's local frost dates.
Does the broccoli planting date vary across Massachusetts?
Yes. Massachusetts publishes 89 cities with their own frost dates, so the right broccoli 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 broccoli take to grow in Massachusetts?
Broccoli takes about 55–80 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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