Record #: CWD9621
Last Modified: 05 Mar 2024
Last Full Update: 31 Dec 2019


Description (Service) Warning! Giant Hogweed Can Pose Serious Health Risk.

The invasive species which can pose a serious health risk has taken root in Collingwood and the surrounding areas.
Health Risks

When the leaves, stems, or bristles are broken they secrete a clear sap which can cause painful blistering and dermatitis where the sap has come into contact with skin. Temporary or Permanent blindness can result if the sap comes in contact with eyes. Generally, reactions occur within 48 hours after exposure.

What to do if you have come into contact with Giant Hogweed sap
Cover up the affected areas and keep them out of direct sunlight. Wash the affected areas immediately with soap and cold water, and seek medical attention as soon as possible.

Please report sightings of Giant Hogweed in the Nottawasaga Valley watershed, to the Nottawasaga Valley Conservation Authority by calling 705-424-1479

Report all Giant Hogweed to the Ontario Federation of Anglers and Hunters Invading Species Awareness Program through the website or their Invading Species Hotline: 1-800-563-7711

For more information or to see the article this information was obtained from please visit the website listed above

Service Details

Hours n/a
Areas Served Blue Mountains ; Clearview (Simcoe County) ; Collingwood ; Wasaga Beach
Eligibility n/a
Application Call to report, or check website for information
Languages English
Fees n/a

Address and Location

Address & Map
Coordinates: 44.6073644, -79.4190960
Physical Access Not Applicable

Contact Information

Office Phone No public telephone number

Agency Overview