Poison ivy, poison oak and poison sumac can make for an uncomfortable summer or fall. If you have ever experienced the blisters, swelling and intense itching of even the briefest of encounters, then ...

CHARLOTTESVILLE, Va. (WHSV) - With the warm spring weather, plants are growing, including the poisonous variety such as poison ivy, poison oak and poison sumac. These plants have a substance called ...

A few years ago I was leading a group of Merrimack College ecology students on a nature walk, when one of them pointed to a vine with five leaflets per leaf, and asked if it was poison ivy. “No,” I ...

Some people are not allergic to poison ivy. Some people are. I'm a person who spends a lot of time outdoors and, as luck would have it, I am very allergic to poison ivy. Who said that life is fair?

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 ...

Mason Heberling, associate curator of botany at the Carnegie Museum of Natural History, holds a poison ivy specimen collected in Lehigh County, Pa. in 1840, the oldest used in the study. A new study ...

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 ...

RICHMOND, Va. (WRIC) — Most of us have heard the old saying, likely from adults trying to protect us when we were young and inexperienced: “Leaves of three, let it be.” But is that truly an accurate ...