When to plant gai lan (chinese broccoli) in Minnesota
Minnesota spans USDA zones 3b–5a, 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 31 in Winona to May 15 in Hibbing — below are local dates for 102 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Minneapolis | 5a | April 23 | October 16 | April 2 – May 7 |
| St. Paul | 5a | April 24 | October 16 | April 3 – May 8 |
| Rochester | 4b | April 30 | October 6 | April 9 – May 14 |
| Bloomington | 5a | April 23 | October 18 | April 2 – May 7 |
| Duluth | 4b | May 14 | October 12 | April 23 – May 28 |
| Brooklyn Park | 5a | April 30 | October 8 | April 9 – May 14 |
| Plymouth | 5a | April 29 | October 12 | April 8 – May 13 |
| Woodbury | 5a | April 26 | October 12 | April 5 – May 10 |
Gai Lan (Chinese Broccoli) in Minnesota: FAQ
When can I plant gai lan (chinese broccoli) in Minnesota?
Across Minnesota, the time to direct-sow gai lan (chinese broccoli) spans roughly March 31 in Winona to May 15 in Hibbing, each following that city's local frost dates.
Does the gai lan (chinese broccoli) planting date vary across Minnesota?
Yes. Minnesota publishes 102 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 Minnesota?
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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