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

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

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

Lamb’s Quarters are annual broadleaf weeds commonly found throughout Canada and the U.S. Often one of the first to emerge in the spring, this...

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...