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Avena fatua

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...

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

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...

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...

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