Poison hemlock can irritate your skin, and ingesting it can be deadly. (Riley Hemmer, OurQuadCities.com) “This plant is highly toxic when ingested,” said Emily Swihart, horticulture educator from the ...

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 ...

There's a weed that's poisonous to both humans and animals that experts are saying to avoid this summer.It's called poison hemlock and according to researchers, it's one of the deadliest plants in ...