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 ...

With the first greens of spring starting to peak out, it’s time to start thinking about poisonous plants once again. There are many ways to think about what makes a plant poisonous — poisonous to ...

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 ...