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When to plant butternut squash in Delaware

Delaware spans USDA zones 7a–7b, so the right time to plant butternut 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.

In Wilmingtonthe butternut squash direct sow window (April 14–April 28) has passed for this year.
CityZoneLast frostFirst frostDirect sow
Wilmington7bApril 7November 4April 14 – April 28
Dover7bApril 4November 4April 11 – April 25
Newark7bApril 7November 2April 14 – April 28
Middletown7bApril 7November 2April 14 – April 28
Bear7bApril 7November 2April 14 – April 28
Glasgow7bApril 7November 2April 14 – April 28
Brookside7bApril 7November 2April 14 – April 28
Hockessin7aApril 7November 4April 14 – April 28

Butternut Squash in Delaware: FAQ

When can I plant butternut squash in Delaware?

Across Delaware, the time to direct-sow butternut squash spans roughly April 11 in Dover to April 18 in Milford, each following that city's local frost dates.

Does the butternut squash planting date vary across Delaware?

Yes. Delaware publishes 11 cities with their own frost dates, so the right butternut 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 butternut squash take to grow in Delaware?

Butternut Squash takes about 90–110 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.

Planting reminders

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Butternut Squash planting guide →All Delaware cities →Delaware planting calendar →
When to Plant Butternut Squash in Delaware — Frost-Based Dates by City — BlissGarden