We are coming to the time of the year when people will be spending more time out-of-doors. Although this is usually an enjoyable time, we do come in contact with some of nature’s pitfalls, such as ...

Add Yahoo as a preferred source to see more of our stories on Google. Close up of poison ivy leaves - Robert Winkler/Getty Images When the snow is falling and the yard is asleep, poison ivy's ...

Climate change may be making poison ivy more toxic, as the plant performs well under conditions with high carbon dioxide ...

Add Yahoo as a preferred source to see more of our stories on Google. Find out how to get rid of poison ivy without touching this rash-causing plant. Peter Krumhardt Every gardener should know how to ...

I once thought I was among the 20% of humans who experience no ill effects from poison ivy. But a visit to southern Illinois years ago proved me wrong. Itchy skin with blisters plagued me for weeks.

It may only seem like there's more poison ivy this year. "I would say the number of requests for identification and control information for poison ivy has been consistent over the decade that I have ...

What makes poison ivy a much dreaded plant is urushiol, an oily resin that, upon contact with the skin, can result in contact dermatitis, often presenting as a red, itchy rash with blisters or bumps.

Lewis Ziska, plant physiologist for the U.S. Department of Agriculture's agricultural research service, says rising carbon dioxide levels and... Poison Ivy Growing Faster, More Virulent ROBERT SIEGEL, ...

When the snow is falling and the yard is asleep, poison ivy's (Toxicodendron radicans) leaves are gone, it doesn't seem very dangerous, and the vines clearly stand out against the trees. It's tempting ...