Wild parsnip will grow up to about 4 feet tall, and it’ll look and smell much like a cultivated parsnip. The stem is hollow, with vertical grooves running its full length. The stem and its multi ...

Cow parsnip also has sap that can irritate the skin similar to giant hogweed, though it's less toxic. The plant is “very cold-hardy, and is most abundant in the Pacific Northwest and Alaska ...

Murphy, 21, had stumbled into a wild parsnip plant (Pastinaca sativa). The weed, also known as poison parsnip and hobo pasnip, is a wild version of the root vegetable that resembles a carrot.

Poison hemlock and wild parsnips are often found growing together. If you come across one or both of the plants in your yard or outdoors this season, here's what you need to know.