Poison hemlock, a deadly plant that can cause respiratory failure and death, is spreading throughout Columbus. Contact herbicides are the safest way to control poison hemlock, as all parts of 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 ...

BERTRAM, Iowa (KCRG) - An expert with the Iowa Department of Natural Resources says he’s seeing an increase in the poisonous plant wild parsnip. Although it may appear to be just a flowering weed, it ...

As spring arrives, bringing longer and warmer days, nature awakens from its winter slumber and with it, a few unwelcome visitors. Among them are two particularly invasive and toxic plants: poison ...

DES MOINES, Iowa (AP) -- Watch your step when you pull off the road. That's the warning from state environmental officials to people who want to avoid a burning, blistering itch that could last for ...