There’s a new strain of ragweed lurking in Canada, and herbicides don’t stand a chance with it. Scientists at the University of Guelph have confirmed that a strain of ragweed resistant to glyphosate, the most effective herbicide for ragweed, has been found in Ontario. But ragweed sufferers take note: according to François Tardif, an associate [...]

How did the dastardly king of hay fever become so potent and so widespread? Allergic Living investigates. The ragweed in my backyard in the Ottawa Valley waves at me smugly every morning. It has formed a towering wall along the back corner of the small meadow we’ve let flourish as an environmental gesture. All the [...]

All about the cursed weed, and how to beat its pollen.