Every gardener should know how to get rid of poison ivy when it pops up around the yard. If the sap from this plant comes in contact with your skin, a chemical called urushiol in the sap can cause ...

Q: I’m not sure if the plants growing in my yard are poison ivy or something else. What does poison ivy look like, and how can I safely identify it? A: Even a brief brush with poison ivy can cause an ...

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 ...

Think you might have been exposed to poison ivy? Here's how to identify it, as well as how to treat it, according to health ...

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.

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, ...