Species

Year

Nearest Town

Planting Date

Emergence Date

Herbicide Application Date

GR horseweed

2018

Ridgetown

May 9

May 20

May 11

2018

Thamesville

May 9

May 20

May 11

2018

Harrow

May 25

May 31

May 25

2019

Zone Centre

May 22

May 29

May 24

2019

Ridgetown

May 24

May 30

May 24