Giant Hogweed

Giant Hogweed is an invasive plant native to Asia, it was originally brought to North America for gardening purposes. Giant Hogweed is rapidly invading Ontario, the Nature Conservancy of Canada urges people to report and document sightings of this aggressive plant. In our local environment. Giant Hogweed competes with native plants reducing biodiversity.

Each plant can produce 50,000 seeds which make the spread of this species very easy.

Another concern regarding Giant Hogweed is that when the clear sap comes in contact with skin it makes that area of skin sensitive to sunlight. It can cause painful re-occurring blistering, severe burns and if in contact with eyes, can cause temporary or permanent blindness.

Giant Hogweed is not present on the Riverstone property.