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 ...

It’s nearly summertime, but before you go outside to enjoy the warmer weather and get out your gardening tools, remember to keep your eye out for poison ivy. Poison ivy, which causes an allergic ...