When to plant gai lan (chinese broccoli) in Delaware
Delaware spans USDA zones 7a–7b, so the right time to plant gai lan (chinese broccoli) shifts by weeks across the state. The window to sow seed directly 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 | Direct sow |
|---|---|---|---|---|
| Wilmington | 7b | April 7 | November 4 | March 17 – April 21 |
| Dover | 7b | April 4 | November 4 | March 14 – April 18 |
| Newark | 7b | April 7 | November 2 | March 17 – April 21 |
| Middletown | 7b | April 7 | November 2 | March 17 – April 21 |
| Bear | 7b | April 7 | November 2 | March 17 – April 21 |
| Glasgow | 7b | April 7 | November 2 | March 17 – April 21 |
| Brookside | 7b | April 7 | November 2 | March 17 – April 21 |
| Hockessin | 7a | April 7 | November 4 | March 17 – April 21 |
Gai Lan (Chinese Broccoli) in Delaware: FAQ
When can I plant gai lan (chinese broccoli) in Delaware?
Across Delaware, the time to direct-sow gai lan (chinese broccoli) spans roughly March 14 in Dover to March 21 in Milford, each following that city's local frost dates.
Does the gai lan (chinese broccoli) planting date vary across Delaware?
Yes. Delaware publishes 11 cities with their own frost dates, so the right gai lan (chinese 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 gai lan (chinese broccoli) take to grow in Delaware?
Gai Lan (Chinese Broccoli) takes about 50–70 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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