When to plant Collard greens in North Dakota
In spring, from Apr 1 – June 1 in Fargo to May 1 – June 1 in Williston.
In fall, from May 15 – June 15 in Dickinson to June 15 – July 15 in West Fargo.
Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Bismarck | Apr 15 – June 1 | June 15 – July 15 |
| Dickinson | May 1 – June 1 | May 15 – June 15 |
| Fargo | Apr 1 – June 1 | June 15 – July 15 |
| Grand Forks | Apr 15 – June 1 | June 15 – July 15 |
| Jamestown | Apr 15 – June 1 | June 15 – July 15 |
| Mandan | Apr 15 – June 1 | June 15 – July 15 |
| Minot | Apr 15 – June 1 | June 15 – July 15 |
| West Fargo | Apr 1 – June 1 | June 15 – July 15 |
| Williston | May 1 – June 1 | May 15 – June 15 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for collards.