Poison ivy might be a small plant, but it can cause big trouble—for both your yard and your skin. Its oily sap, called urushiol, is what triggers that itchy rash, and even a tiny amount can cause a ...

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 ...

SHREVEPORT, La. - For many homeowners, battling unwanted plants in the yard is just part of the routine. But one invasive vine can do more than take over flowerbeds — it can cause painful rashes and ...

Poison ivy, oak, and sumac contain an oil called urushiol that causes an allergic skin rash. These plants can be identified by their leaf structure, though some non-toxic plants look similar. To avoid ...

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 ...