Poisonous hemlock has been called one of North America's deadliest plants, and it's invading yards in Ohio and Pennsylvania. The toxic weed began making headlines in 2019 when it was spreading across ...

A toxic tour of the high-security facility with more than a hundred plants that could kill you. “Look, don’t touch” is the motto at Alnwick’s poison garden in Northumberland, unless you’re a ...

Only a small fraction of all plants are edible. Some of those that aren’t can do serious damage to a human’s health. Here are ten plants to stay away from, and never ingest. The American landscape may ...