When to plant dill in Massachusetts
Massachusetts spans USDA zones 5b–7b, so the right time to plant dill shifts by weeks across the state. The window to sow seed directly 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 | Direct sow |
|---|---|---|---|---|
| Boston | 7a | April 4 | November 9 | March 21 – May 2 |
| Worcester | 6a | April 23 | October 21 | April 9 – May 21 |
| Springfield | 6a | May 3 | October 8 | April 19 – May 31 |
| Cambridge | 6b | April 19 | October 23 | April 5 – May 17 |
| Lowell | 6b | April 30 | October 10 | April 16 – May 28 |
| Brockton | 6b | April 22 | October 19 | April 8 – May 20 |
| Quincy | 7a | April 25 | October 22 | April 11 – May 23 |
| Lynn | 7a | April 25 | October 20 | April 11 – May 23 |
Dill in Massachusetts: FAQ
When can I plant dill in Massachusetts?
Across Massachusetts, the time to direct-sow dill spans roughly March 21 in Boston to April 26 in North Adams, each following that city's local frost dates.
Does the dill planting date vary across Massachusetts?
Yes. Massachusetts publishes 89 cities with their own frost dates, so the right dill 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 dill take to grow in Massachusetts?
Dill takes about 40–60 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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