When to plant mulberry in Delaware
Delaware spans USDA zones 7a–7b, so the right time to plant mulberry 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 |
Mulberry in Delaware: FAQ
When can I plant mulberry in Delaware?
Across Delaware, the time to transplant mulberry spans roughly March 7 in Dover to March 14 in Milford, each following that city's local frost dates.
Does the mulberry planting date vary across Delaware?
Yes. Delaware publishes 11 cities with their own frost dates, so the right mulberry 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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