When to plant cilantro in Delaware
Delaware spans USDA zones 7a–7b, so the right time to plant cilantro shifts by weeks across the state. The window to sow seed directly 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 | Direct sow |
|---|---|---|---|---|
| Wilmington | 7b | April 7 | November 4 | March 10 – April 21 |
| Dover | 7b | April 4 | November 4 | March 7 – April 18 |
| Newark | 7b | April 7 | November 2 | March 10 – April 21 |
| Middletown | 7b | April 7 | November 2 | March 10 – April 21 |
| Bear | 7b | April 7 | November 2 | March 10 – April 21 |
| Glasgow | 7b | April 7 | November 2 | March 10 – April 21 |
| Brookside | 7b | April 7 | November 2 | March 10 – April 21 |
| Hockessin | 7a | April 7 | November 4 | March 10 – April 21 |
Cilantro in Delaware: FAQ
When can I plant cilantro in Delaware?
Across Delaware, the time to direct-sow cilantro spans roughly March 7 in Dover to March 14 in Milford, each following that city's local frost dates.
Does the cilantro planting date vary across Delaware?
Yes. Delaware publishes 11 cities with their own frost dates, so the right cilantro 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 cilantro take to grow in Delaware?
Cilantro takes about 45–70 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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