Add Yahoo as a preferred source to see more of our stories on Google. wooden sign for poison ivy in the woods - Heidi Besen/Shutterstock To say poison ivy can be tricky to deal with is a bit of an ...

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 ...

Poison ivy is one of the most frustrating plants homeowners encounter, and touching it can trigger an intensely itchy rash caused by the oil urushiol. The plant grows throughout much of North America ...