When to plant elderberry in Delaware
Delaware spans USDA zones 7a–7b, so the right time to plant elderberry shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 7 in Dover to March 14 in Milford — below are local dates for 11 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Wilmington | 7b | April 7 | November 4 | March 10 – March 24 |
| Dover | 7b | April 4 | November 4 | March 7 – March 21 |
| Newark | 7b | April 7 | November 2 | March 10 – March 24 |
| Middletown | 7b | April 7 | November 2 | March 10 – March 24 |
| Bear | 7b | April 7 | November 2 | March 10 – March 24 |
| Glasgow | 7b | April 7 | November 2 | March 10 – March 24 |
| Brookside | 7b | April 7 | November 2 | March 10 – March 24 |
| Hockessin | 7a | April 7 | November 4 | March 10 – March 24 |
Elderberry in Delaware: FAQ
When can I plant elderberry in Delaware?
Across Delaware, the time to transplant elderberry spans roughly March 7 in Dover to March 14 in Milford, each following that city's local frost dates.
Does the elderberry planting date vary across Delaware?
Yes. Delaware publishes 11 cities with their own frost dates, so the right elderberry 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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