When to plant winter squash in Delaware
Delaware spans USDA zones 7a–7b, so the right time to plant winter squash shifts by weeks across the state. The window to sow seed directly outdoors runs from about April 11 in Dover to April 18 in Milford — below are local dates for 11 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Wilmington | 7b | April 7 | November 4 | April 14 – April 28 |
| Dover | 7b | April 4 | November 4 | April 11 – April 25 |
| Newark | 7b | April 7 | November 2 | April 14 – April 28 |
| Middletown | 7b | April 7 | November 2 | April 14 – April 28 |
| Bear | 7b | April 7 | November 2 | April 14 – April 28 |
| Glasgow | 7b | April 7 | November 2 | April 14 – April 28 |
| Brookside | 7b | April 7 | November 2 | April 14 – April 28 |
| Hockessin | 7a | April 7 | November 4 | April 14 – April 28 |
Winter Squash in Delaware: FAQ
When can I plant winter squash in Delaware?
Across Delaware, the time to direct-sow winter squash spans roughly April 11 in Dover to April 18 in Milford, each following that city's local frost dates.
Does the winter squash planting date vary across Delaware?
Yes. Delaware publishes 11 cities with their own frost dates, so the right winter squash 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 winter squash take to grow in Delaware?
Winter Squash takes about 85–110 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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