The Upper Thames River Conservation Authority (UTRCA) said it's spent more than 120 hours so far this year fighting the ...

One of Ontario's most dangerous invasive weeds is spreading across southwestern Ontario, prompting a warning from a local ...

Erie County Parks, Recreation and Forestry is warning people about giant hogweed plants that have been located along the ...

The Upper Thames River Conservation Authority is urging residents to stay vigilant as it ramps up efforts to manage giant ...

With summer around the corner and more people heading outdoors, London-area conservation officials are warning the public to ...

A toxic plant which is known to cause severe blistering and burns to humans has been spotted growing in the Tonge Moor area. Hogweed plants, known as Britain’s most dangerous, were spotted last week ...

Sosnowski's hogweed is one of the most dangerous plants. Even brief contact with the skin can cause severe burns and, in ...

New mapping of Sites of Scientific Interes across England and Wales has revealed thousands of sightings of non-native invasive species ...

Giant Hogweed sap contains toxins that cause phytophotodermatitis, which means that they heighten the skin's sensitivity to sunlight. The skin's reaction to Giant Hogweed sap can be intensified ...

The hogweed is packed with sap that causes phytophotodermatitis — meaning it stops the skin’s ability to ... The nasty reaction to Giant Hogweed sap can be made worse by sweat — a dangerous ...

"The bioinvasor, also known as bear's claw or Hercules' weed, is poisonous, causes severe skin irritation or severe allergic reactions ... To the giant hogweed's credit: it plays an important ...