Allergy sufferers in Hamilton will experience heightened symptoms in the coming weeks as warmer weather results in more tree ...

It triggers ragweed allergy symptoms in many people. Ragweed is an annual plant, so it grows for only one season. The plants start to grow in the spring, then flower in August or September in most ...

Pollen is highest on days that are warm, dry and windy, Wada notes. "Especially during morning hours for ragweed or evening hours for tree and grass pollens," she adds. "Rain can temporarily wash ...

Daniel Coates, the director of Ottawa-based Aerobiology Research Laboratories ... and you don’t get the worst pollen type, which is ragweed,” said Coates. He said that in addition to the ...

The final major contributor to seasonal allergies is ragweed, which makes its presence known by mid-summer. Ragweed pollen is highly pervasive, with its peak occurring from late summer through the ...

features grass pollen and late summer and fall (August to October or November) brings weed pollens such as ragweed, Wada says. "The worst time of year for allergies depends on what an individual ...

In Spring, tree pollen peaks. This is followed by grass pollen in the summer and ragweed pollen in the fall. Inside of these pollen grains are proteins that commonly cause allergic reactions when ...

Now, the Aerobiology Research Laboratories is watching ... "We could see a really bad season for ragweed allergy sufferers this year," adds Coates. "Ragweed does like rain, like most trees and ...

With the arrival of spring conditions, warm, sunny and wet weather are due to follow. But so too are types of pollen that stir up people’s allergies. Among the primary allergens in the United ...