Ontario Agriculture

The network for agriculture in Ontario, Canada

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.

 

 

 

 

Views: 711

▶ Reply to This

Replies to This Discussion

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...

▶ Reply to Discussion

RSS

Agriculture Headlines from Farms.com Canada East News - click on title for full story

Farmland Demand Strong in Alberta, Not so for the Rest of Canada

Canadian farmland values continued to climb in the first half of 2026, but growth slowed as producers faced tighter margins, higher costs, and ongoing trade uncertainty.

Canadian Ethanol Industry Pushes Ottawa to Act as U.S. Imports Gain Market Share

Canada's ethanol sector is pressing Ottawa to move quickly on long-promised Clean Fuel Regulations reforms. Industry leaders warn that without a stronger incentive for domestic production.

Nortera Green Giant Deal Called Off

Canada’s Competition Bureau has welcomed the decision by Nortera and B&G Foods Canada to abandon a proposed acquisition involving major vegetable brands. The Bureau said the deal could have reduced competition, leading to higher prices and fewer choices for consumers.

Ontario Meat Awards Crown Top Processors

Ontario’s top meat processors were honoured at the 2026 Ontario’s Finest Meat Competition, recognizing outstanding quality, innovation and craftsmanship.

What Would Make Seed Potato Testing Work Better for Alberta Growers?

An accredited Alberta laboratory is asking growers and industry partners to help shape a seed potato testing process that is practical, accessible, and sustainable for the long term. When 20/20 Seed Labs developed its Canadian Food Inspection Agency (CFIA)-approved seed potato testing capacity in Nisku, the opportunity seemed straightforward: Alberta growers would have access to an accredited laboratory closer to home. Before this service was established, Alberta potato growers often had to ship samples out of province — in some cases as far away as Prince Edward Island — for testing. Establishing testing capacity in Alberta made sense for growers, the industry, and the broader goal of building local agricultural services. But proximity is only one factor in a grower’s decision about testing, says Sarah Foster, President and Senior Seed Analyst at 20/20. “A grower managing multiple varieties and seed lots must consider the cost of each test, how samples are collected and shipped, h

© 2026   Created by Darren Marsland.   Powered by

Badges  |  Report an Issue  |  Terms of Service