When to plant cauliflower in North Dakota
North Dakota spans USDA zones 4a–4b, so the right time to plant cauliflower shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 20 in Fargo to May 7 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 20 – May 4 |
| Bismarck | 4a | May 10 | September 30 | April 26 – May 10 |
| Grand Forks | 4a | May 10 | October 1 | April 26 – May 10 |
| Minot | 4a | May 10 | October 1 | April 26 – May 10 |
| West Fargo | 4a | May 4 | October 2 | April 20 – May 4 |
| Williston | 4a | May 21 | September 21 | May 7 – May 21 |
| Dickinson | 4b | May 20 | September 22 | May 6 – May 20 |
| Mandan | 4a | May 13 | September 27 | April 29 – May 13 |
Cauliflower in North Dakota: FAQ
When can I plant cauliflower in North Dakota?
Across North Dakota, the time to transplant cauliflower spans roughly April 20 in Fargo to May 7 in Williston, each following that city's local frost dates.
Does the cauliflower planting date vary across North Dakota?
Yes. North Dakota publishes 9 cities with their own frost dates, so the right cauliflower 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 cauliflower take to grow in North Dakota?
Cauliflower 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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