When to plant broccoli in Delaware
Delaware spans USDA zones 7a–7b, so the right time to plant broccoli shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 14 in Dover to March 21 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 17 – March 31 |
| Dover | 7b | April 4 | November 4 | March 14 – March 28 |
| Newark | 7b | April 7 | November 2 | March 17 – March 31 |
| Middletown | 7b | April 7 | November 2 | March 17 – March 31 |
| Bear | 7b | April 7 | November 2 | March 17 – March 31 |
| Glasgow | 7b | April 7 | November 2 | March 17 – March 31 |
| Brookside | 7b | April 7 | November 2 | March 17 – March 31 |
| Hockessin | 7a | April 7 | November 4 | March 17 – March 31 |
Broccoli in Delaware: FAQ
When can I plant broccoli in Delaware?
Across Delaware, the time to transplant broccoli spans roughly March 14 in Dover to March 21 in Milford, each following that city's local frost dates.
Does the broccoli planting date vary across Delaware?
Yes. Delaware publishes 11 cities with their own frost dates, so the right broccoli 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 broccoli take to grow in Delaware?
Broccoli takes about 55–80 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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