When to plant gai lan (chinese broccoli) in Maryland
Maryland spans USDA zones 7a–8a, 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 1 in California to April 3 in Westminster — below are local dates for 139 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Baltimore | 8a | March 24 | November 21 | March 3 – April 7 |
| Columbia | 7b | April 5 | November 9 | March 15 – April 19 |
| Germantown | 7b | April 14 | October 29 | March 24 – April 28 |
| Frederick | 7b | April 2 | November 6 | March 12 – April 16 |
| Waldorf | 7b | April 17 | October 27 | March 27 – May 1 |
| Silver Spring | 7b | April 10 | November 1 | March 20 – April 24 |
| Ellicott City | 7b | April 2 | November 7 | March 12 – April 16 |
| Glen Burnie | 7b | April 10 | October 31 | March 20 – April 24 |
Gai Lan (Chinese Broccoli) in Maryland: FAQ
When can I plant gai lan (chinese broccoli) in Maryland?
Across Maryland, the time to direct-sow gai lan (chinese broccoli) spans roughly March 1 in California to April 3 in Westminster, each following that city's local frost dates.
Does the gai lan (chinese broccoli) planting date vary across Maryland?
Yes. Maryland publishes 139 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 Maryland?
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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