When to plant broccoli in Minnesota
Minnesota spans USDA zones 3b–5a, so the right time to plant broccoli 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 16 |
| St. Paul | 5a | April 24 | October 16 | April 3 – April 17 |
| Rochester | 4b | April 30 | October 6 | April 9 – April 23 |
| Bloomington | 5a | April 23 | October 18 | April 2 – April 16 |
| Duluth | 4b | May 14 | October 12 | April 23 – May 7 |
| Brooklyn Park | 5a | April 30 | October 8 | April 9 – April 23 |
| Plymouth | 5a | April 29 | October 12 | April 8 – April 22 |
| Woodbury | 5a | April 26 | October 12 | April 5 – April 19 |
Broccoli in Minnesota: FAQ
When can I plant broccoli in Minnesota?
Across Minnesota, the time to transplant broccoli spans roughly March 31 in Winona to May 15 in Hibbing, each following that city's local frost dates.
Does the broccoli planting date vary across Minnesota?
Yes. Minnesota publishes 102 cities with their own frost dates, so the right 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 broccoli take to grow in Minnesota?
Broccoli takes about 55–80 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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