Think you might have been exposed to poison ivy? Here's how to identify it, as well as how to treat it, according to health ...

Michigan's summer climate provides ideal growing conditions for many flowers and other plants we enjoy — and for a few poisonous, three-leafed plants we all could do without. Though the common phrase: ...

Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

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 ...

Many years ago, Roy and I camped in the Great Smoky Mountains and encountered a thick vine winding its way up a hardwood tree ...

Virginia creeper and poison ivy both add beautiful reds to Pennsylvania's autumn color palate. Do you know which can also ...