When to plant broccoli in North Dakota
North Dakota spans USDA zones 4a–4b, so the right time to plant broccoli shifts by weeks across the state. The window to transplant seedlings 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 | Transplant out |
|---|---|---|---|---|
| Fargo | 4a | May 4 | October 2 | April 13 – April 27 |
| Bismarck | 4a | May 10 | September 30 | April 19 – May 3 |
| Grand Forks | 4a | May 10 | October 1 | April 19 – May 3 |
| Minot | 4a | May 10 | October 1 | April 19 – May 3 |
| West Fargo | 4a | May 4 | October 2 | April 13 – April 27 |
| Williston | 4a | May 21 | September 21 | April 30 – May 14 |
| Dickinson | 4b | May 20 | September 22 | April 29 – May 13 |
| Mandan | 4a | May 13 | September 27 | April 22 – May 6 |
Broccoli in North Dakota: FAQ
When can I plant broccoli in North Dakota?
Across North Dakota, the time to transplant broccoli spans roughly April 13 in Fargo to April 30 in Williston, each following that city's local frost dates.
Does the broccoli planting date vary across North Dakota?
Yes. North Dakota publishes 9 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 North Dakota?
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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