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When to plant swiss chard in Delaware

Delaware spans USDA zones 7a–7b, so the right time to plant swiss chard shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 21 in Dover to March 28 in Milford — below are local dates for 11 cities, each computed from its own frost dates.

In Wilmingtonthe swiss chard direct sow window (March 24–May 5) has passed for this year.
CityZoneLast frostFirst frostDirect sow
Wilmington7bApril 7November 4March 24 – May 5
Dover7bApril 4November 4March 21 – May 2
Newark7bApril 7November 2March 24 – May 5
Middletown7bApril 7November 2March 24 – May 5
Bear7bApril 7November 2March 24 – May 5
Glasgow7bApril 7November 2March 24 – May 5
Brookside7bApril 7November 2March 24 – May 5
Hockessin7aApril 7November 4March 24 – May 5

Swiss Chard in Delaware: FAQ

When can I plant swiss chard in Delaware?

Across Delaware, the time to direct-sow swiss chard spans roughly March 21 in Dover to March 28 in Milford, each following that city's local frost dates.

Does the swiss chard planting date vary across Delaware?

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

Swiss Chard takes about 50–60 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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Swiss Chard planting guide →All Delaware cities →Delaware planting calendar →
When to Plant Swiss Chard in Delaware — Frost-Based Dates by City — BlissGarden