| Environment | Planting Date | Harvest Date | Environment | Planting Date | Harvest Date |
| 2014 |
| 2015 | |||
| Hettinger | May 2 | Aug. 28 | Hettinger | April 14 | Aug. 17 |
|
| May 15 | Sept. 4 |
| April 29 | Aug. 17 |
|
| May 27 | Sept. 8 |
| May 13 | Aug. 20 |
|
| June 9 | Oct. 14 |
| May 27 | Sept. 4 |
| Minot | May 14 | Sept. 9 | Minot | April 29 | Aug. 28 |
|
| May 27 | Sept. 16 |
| May 11 | Aug. 28 |
|
| June 4 | Oct. 9 |
| May 26 | Sept. 12 |
|
| June 17 | Oct. 24 |
| June 9 | Sept. 12 |