When to plant gai lan (chinese broccoli) in Oklahoma
Oklahoma spans USDA zones 6b–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 February 22 in Ardmore to March 28 in Guymon — below are local dates for 45 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Oklahoma City | 7b | April 4 | November 2 | March 14 – April 18 |
| Tulsa | 7b | March 31 | November 4 | March 10 – April 14 |
| Norman | 7b | April 3 | November 3 | March 13 – April 17 |
| Broken Arrow | 7b | April 1 | November 1 | March 11 – April 15 |
| Edmond | 7b | April 10 | October 28 | March 20 – April 24 |
| Lawton | 7b | March 26 | November 7 | March 5 – April 9 |
| Moore | 7b | March 31 | November 5 | March 10 – April 14 |
| Midwest City | 7b | April 2 | November 5 | March 12 – April 16 |
Gai Lan (Chinese Broccoli) in Oklahoma: FAQ
When can I plant gai lan (chinese broccoli) in Oklahoma?
Across Oklahoma, the time to direct-sow gai lan (chinese broccoli) spans roughly February 22 in Ardmore to March 28 in Guymon, each following that city's local frost dates.
Does the gai lan (chinese broccoli) planting date vary across Oklahoma?
Yes. Oklahoma publishes 45 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 Oklahoma?
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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