When to plant sage in New Hampshire
New Hampshire spans USDA zones 5a–6a, so the right time to plant sage shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 29 in Nashua to May 14 in Keene — below are local dates for 15 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Manchester | 6a | April 30 | October 11 | April 30 – May 14 |
| Nashua | 6a | April 29 | October 8 | April 29 – May 13 |
| Concord | 5b | May 8 | October 3 | May 8 – May 22 |
| Dover | 6a | May 3 | October 10 | May 3 – May 17 |
| Rochester | 6a | April 30 | October 9 | April 30 – May 14 |
| Keene | 5b | May 14 | October 1 | May 14 – May 28 |
| Portsmouth | 6a | May 4 | October 8 | May 4 – May 18 |
| Derry | 6a | April 30 | October 11 | April 30 – May 14 |
Sage in New Hampshire: FAQ
When can I plant sage in New Hampshire?
Across New Hampshire, the time to transplant sage spans roughly April 29 in Nashua to May 14 in Keene, each following that city's local frost dates.
Does the sage planting date vary across New Hampshire?
Yes. New Hampshire publishes 15 cities with their own frost dates, so the right sage planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
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