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 ...

Ivy plants with their long trailing vines and signature foliage may appear charming, but they can be very damaging. It stains the brick, it grows in windows and screens, it chokes out bushes and trees ...