B.C. man cautions against common but toxic plant after exposure caused temporary vision loss | 24CA News
With spring proper across the nook, a B.C. man is warning others about big hogweed, a extremely poisonous plant that left him with momentary imaginative and prescient loss — and coated in large, burning blisters.
Giant hogweed is an invasive, noxious weed and in B.C., discovered largely in components of the South Coast and Vancouver Island. It has been noticed in Atlantic Canada, Quebec, Ontario and seems to be spreading, in accordance to Nature Conservancy Canada.
“This is a hellish plant. It is as hellish as they come,” stated Don Pollack, who got here into contact with hogweed in May 2021.
Pollack 49, says he was biking by means of the Burnaby greenbelt space when he handed by means of a “plume of pollen” from an overgrowth of the weed hanging over the path.
“By the time I got to southwest Marine Drive I was completely snow blind. I could not see,” he stated. “It was white, piercing light.”

Giant hogweed grows three to 4 metres in peak and thrives close to streams, creeks and ditches and when in bloom, carries quite a few small, white flowers that kind an umbrella form.
It is an undesirable invader attributable to its massive measurement, prolific seed manufacturing and vigorous development, in keeping with the Invasive Species Council of B.C.
The extremely poisonous sap is contained throughout the leaves and stems and may trigger hypersensitivity to daylight, that outcomes in burns, blisters, scarring and in excessive conditions, momentary imaginative and prescient loss.
Pollack stated he spent an anxious 45 to 60 minutes sitting on a curb till his imaginative and prescient steadily recovered sufficient for him to make the four-kilometre stroll house along with his bike.
“By evening I could see blisters starting to form on the sides of my abdomen,” he stated, including that the toonie-sized sacs shortly made their method onto his head, neck and ankles.
“One had popped, and I absolutely noticed it because it soaked my sock, that’s how big the blisters were,” he stated.
4 months for signs to subside
Pollack says he visited a number of medical clinics and an allergist — and whereas he was prescribed antibiotics and antihistamines, the docs he visited could not diagnose the issue. It finally took greater than 4 months for his signs to subside.
The reply got here final January, when he inadvertently got here throughout a YouTube clip of crews eradicating hogweed from a subject.
“They were removing what I had rode through on my bike. They were in hazmat suits and safety vehicles that they were vacuuming up these trees. And I’m thinking, ‘I rode directly through that.'”

Gail Wallin, govt director of the Invasive Species Council of B.C., says calls to her workplace improve in spring after folks have come into contact with the plant, and are uncertain what brought on the blistering and different uncommon signs, like momentary imaginative and prescient loss.
“You may not know it right away, people don’t make the connection,” Wallin stated. “You may have had sap on you from two days ago — and you go outside and all at once your skin starts to burn.”
She says gardening lovers and landscapers are accountable partially for the proliferation of the weed, due to its decorative worth.
“It’s large, it’s impressive. But in areas where it grows, it takes over the entire habitat and nothing else can grow underneath it,” Wallin stated.
The council asks gardeners to not purchase, commerce or develop big hogweed or its seeds and urges excessive warning with its elimination.
“Either rent knowledgeable, or fastidiously comply with the directions on our web site,” stated Wallin.
To get rid of hogweed, the Invasive Species Council says:
- Wear correct protecting gear from head to toe.
- Bag or tarp manually eliminated crops, plant components and seeds earlier than transporting to a delegated disposal website, like a landfill or switch station.
- Wash autos, together with tires and undercarriage, and gear at designated cleansing websites earlier than leaving infested areas.
“Make sure you do not get it into a bin for composting. You want to make sure it goes into the landfill or whatever your local government uses,” Wallin stated.
At a minimal, Wallin suggests these rising hogweed of their gardens take away the seeds after they’ve fashioned in June and July to scale back the danger of further crops rising on the property and past.
People who see the invasive species of their neighborhood are additionally requested to report it on-line.
