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Canada thistle is a persistent weed that has threatened the yields of farmers far longer than Canada has been a country. A member of the sunflower...

​​​​​​​Also known as capsella bursa-pastoris, Shepherd’s purse is a winter annual found throughout most areas of Eastern Canada. A member of the...

Redroot pigweed is an annual broadleaf weed that has developed resistance to Group 2 herbicides in Western Canada, and Group 5 resistance in the U...

Downy and Japanese brome are winter annual grasses that can be found across Canada. Downy brome is originally from the Mediterranean and...

Tips on identifying and controlling wild buckwheat, an annual broadleaf weed pest that is highly crop competitive and resistant to Group 2...

Stinkweed, formally known as Thlaspi arvense, is a winter annual weed that’s prolific, poisonous and difficult to control. Also called Frenchweed...

Narrow-leaved hawk’s beard is a tough-to-control winter annual considered a noxious weed under the Saskatchewan Weed Control Act. A prolific seed...

Flixweed is a highly competitive winter annual weed found in regions where soil is much lighter and drier. Though known to be safe for some herbal...

Sow thistle is a perennial weed that can grow in a wide variety of environmental conditions and is currently found in all Canadian provinces...