When to plant bok choy in Minnesota
Minnesota spans USDA zones 3b–5a, so the right time to plant bok choy shifts by weeks across the state. The window to transplant seedlings 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 | Transplant out |
|---|---|---|---|---|
| Minneapolis | 5a | April 23 | October 16 | April 2 – April 23 |
| St. Paul | 5a | April 24 | October 16 | April 3 – April 24 |
| Rochester | 4b | April 30 | October 6 | April 9 – April 30 |
| Bloomington | 5a | April 23 | October 18 | April 2 – April 23 |
| Duluth | 4b | May 14 | October 12 | April 23 – May 14 |
| Brooklyn Park | 5a | April 30 | October 8 | April 9 – April 30 |
| Plymouth | 5a | April 29 | October 12 | April 8 – April 29 |
| Woodbury | 5a | April 26 | October 12 | April 5 – April 26 |
Bok Choy in Minnesota: FAQ
When can I plant bok choy in Minnesota?
Across Minnesota, the time to transplant bok choy spans roughly March 31 in Winona to May 15 in Hibbing, each following that city's local frost dates.
Does the bok choy planting date vary across Minnesota?
Yes. Minnesota publishes 102 cities with their own frost dates, so the right bok choy 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 bok choy take to grow in Minnesota?
Bok Choy takes about 45–60 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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