Dangerous, Invasive Plant Species Blooming in Ontario

Dangerous, Invasive Plant Species Blooming in Ontario
Ecologists walk through a patch of giant hogweed in Terra Cotta, Ont., in this file photo. The Canadian Press/Darren Calabrese
Jennifer Cowan
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Now that spring has finally sprung across much of Ontario, one invasive plant species in particular is in full throttle in the central and southern parts of the province.

Known as giant hogweed, this perennial plant can be found along roadsides and riverbanks as well as in ditches, fields, and open woodlands. A pervasive grower, the plant contains toxins that can cause severe skin inflammation and even temporary blindness if the plant’s sap comes in contact with the eye area.