Another plant you really want to avoid touching is the wild parsnip. These look related to the aforementioned giant hogweed, ...

These harmful weeds make chemicals that can burn and even scar your skin. Some weedy plants can cause you a lot of pain if you so much as touch them. They produce chemicals that can cause your ...

Originally from Eurasia, giant hogweed (Heracleum mantegazzianum) was imported into the American heartland for ornamental planting. It has since spread to stream banks, tree lines, and yards.

Giant hogweed looks like a larger version of Queen-Anne’s Lace — or the equally toxic poison hemlock, she said. It is an invasive species, meaning the plant has an origin outside of the United ...