When to plant Spinach in North Dakota
In spring, from Mar 20 – Apr 20 in Fargo to Apr 10 – June 15 in Williston.
In fall, from June 1 – Aug 1 in Dickinson to July 1 – Aug 15 in West Fargo.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Bismarck | Apr 1 – June 15 | July 1 – Aug 15 |
| Dickinson | Apr 10 – June 15 | June 1 – Aug 1 |
| Fargo | Mar 20 – Apr 20 | July 1 – Aug 15 |
| Grand Forks | Apr 1 – June 15 | July 1 – Aug 15 |
| Jamestown | Apr 1 – June 15 | July 1 – Aug 15 |
| Mandan | Apr 1 – June 15 | July 1 – Aug 15 |
| Minot | Apr 1 – June 15 | July 1 – Aug 15 |
| West Fargo | Mar 20 – Apr 20 | July 1 – Aug 15 |
| Williston | Apr 10 – June 15 | June 1 – Aug 1 |
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 spinach.