Neither poison hemlock nor wild parsnips are native to Ohio, but both of the invasive species are here to stay and can be dangerous if you encounter or ingest them. The plants thrive in continuously ...

Sightings of the invasive wild parsnip plant have been increasing across southeastern Ontario, including fields of the yellow-flowered plant across Durham Region. Also known a poison parsnip, it is a ...

Last year put poison hemlock on everyone’s radar and this year is no exception. This white-flowered toxic weed is well above 6-feet tall at this point in the growing season, and in bloom. A defining ...

Poison hemlock, a deadly plant that can cause respiratory failure and death, is spreading throughout the U.S. Contact herbicides are the safest way to control poison hemlock, as all parts of the plant ...