Ontario Agriculture

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Poisonous hogweed -A poisonous plant that can cause boils and blindness - Have you spotted any?

Giant hogweed can cause temporary and permanent blindness.

Poisonous Hogweed. Have you spotted any in your fields?

 

A poisonous plant that can cause boils and blindness. 

 

The sap is photosensitive, which means it becomes even more toxic when exposed to sunlight. People should immediately wash the area with soap and cool water and go to the hospital if the sap touches their skin, she said. Hogweed can also cause temporary or permanent blindness if the sap comes into contact with eyes.

 

 

 

 

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Permalink Reply by AgOntario on July 17, 2010 at 2:54am
Anyone who feels they may have seen giant hogweed – or those looking for more information about the plant – is encouraged to contact the invasive species hotline hosted by the Ontario Federation of Anglers and Hunters, in conjunction with the Ontario Ministry of Natural Resources. The number is 1-800-563-7711. People can also visit the website at www.invadingspecies.com/invaders or check out the Ministry of Agriculture site at www.weedinfo.ca.
Permalink Reply by Jacqui Laporte on July 20, 2010 at 9:51am
You can also see a video showing how to identify the plant here:

http://www.omafra.gov.on.ca/english/crops/facts/ontweeds/giant_hogw...

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