| Species | Year | Nearest Town | Planting Date | Herbicide Application Date |
| GR Waterhemp | 2018 | Cottam | June 2 | June 21 |
|
| 2018 | Walpole Island | June 1 | June 29 |
|
| 2018 | Walpole Island | June 11 | July 9 |
|
| 2019 | Cottam | June 19 | July 10 |
|
| 2019 | Walpole Island | June 25 | July 16 |
|
| 2019 | Walpole Island | June 25 | July 18 |