“The main cause of exposure to poison hemlock is misidentification,” Marshall said. “Because it is often confused with the ...

Poison hemlock (Conium maculatum) was originally brought to the United States in the 1800s as an ornamental garden plant.

NASHVILLE, Tenn. (WKRN) — A highly toxic plant, that can be deadly if ingested, is spreading fast around the U.S. Poison hemlock (or Conium maculatum) is about to flower in Tennessee ...