When to plant celery in Massachusetts
Massachusetts spans USDA zones 5b–7b, so the right time to plant celery shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 21 in Boston to April 26 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 21 – April 4 |
| Worcester | 6a | April 23 | October 21 | April 9 – April 23 |
| Springfield | 6a | May 3 | October 8 | April 19 – May 3 |
| Cambridge | 6b | April 19 | October 23 | April 5 – April 19 |
| Lowell | 6b | April 30 | October 10 | April 16 – April 30 |
| Brockton | 6b | April 22 | October 19 | April 8 – April 22 |
| Quincy | 7a | April 25 | October 22 | April 11 – April 25 |
| Lynn | 7a | April 25 | October 20 | April 11 – April 25 |
Celery in Massachusetts: FAQ
When can I plant celery in Massachusetts?
Across Massachusetts, the time to transplant celery spans roughly March 21 in Boston to April 26 in North Adams, each following that city's local frost dates.
Does the celery planting date vary across Massachusetts?
Yes. Massachusetts publishes 89 cities with their own frost dates, so the right celery 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 celery take to grow in Massachusetts?
Celery takes about 80–120 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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