UNION, IA -- When you venture outside this summer, be on the lookout for Wild Parsnip. The poisonous weed grows in nearly all 50 states and causes burning and itching sensations. Parsnip looks like a ...

Weeds are already a frustrating nightmare for some green thumbs. Now there are two weeds to beware of while you’re gardening this summer. At this time of the year, poison hemlock and wild parsnips ...

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 ...

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 ...

A hazardous, invasive plant that can cause severe burns is spreading rapidly across North America, threatening native ecosystems and human safety. Wild parsnip (and its cousin, cow parsnip) form dense ...

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 ...