When to plant gai lan (chinese broccoli) in North Dakota
North Dakota spans USDA zones 4a–4b, 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 April 13 in Fargo to April 30 in Williston — below are local dates for 9 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Fargo | 4a | May 4 | October 2 | April 13 – May 18 |
| Bismarck | 4a | May 10 | September 30 | April 19 – May 24 |
| Grand Forks | 4a | May 10 | October 1 | April 19 – May 24 |
| Minot | 4a | May 10 | October 1 | April 19 – May 24 |
| West Fargo | 4a | May 4 | October 2 | April 13 – May 18 |
| Williston | 4a | May 21 | September 21 | April 30 – June 4 |
| Dickinson | 4b | May 20 | September 22 | April 29 – June 3 |
| Mandan | 4a | May 13 | September 27 | April 22 – May 27 |
Gai Lan (Chinese Broccoli) in North Dakota: FAQ
When can I plant gai lan (chinese broccoli) in North Dakota?
Across North Dakota, the time to direct-sow gai lan (chinese broccoli) spans roughly April 13 in Fargo to April 30 in Williston, each following that city's local frost dates.
Does the gai lan (chinese broccoli) planting date vary across North Dakota?
Yes. North Dakota publishes 9 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 North Dakota?
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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