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 ...

My neighbor has a slightly unruly garden, and without ill intentions, some of her plants creep into my yard. While I’m happy to share plants and cuttings with friends and family, there are some ...