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 ...

If you were a Girl Scout or a Boy Scout, you probably heard the adage "leaves of three, let them be" to deter you from getting poison ivy rash. And, while it is true that a poison ivy leaf contains ...

Q: I have some poison ivy in my backyard, and I am very allergic, so I’d rather not touch it. Are there herbicides that will kill it, and when is the best time to apply them? Write to the Missouri ...

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 ...