It starts off as a small, itchy patch of skin you scratch absentmindedly. But within a few days, an intensely itchy, bubbling rash emerges. Ugh, it’s poison ivy. When were you were exposed? And more ...

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: ...

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 ...

“Leaves of three, let it be” is the old adage for remembering how to spot and avoid poison ivy -- but correctly identifying this sometimes problematic native plant is a bit more complicated than that.

SHREVEPORT, La. - Summer is here, and so is a big jump in poison ivy cases. Doctors say they're seeing a lot more people coming in with rashes. Poison ivy, poison oak, and poison sumac are all to ...

Q. Can a person get poison ivy once the leaves are gone in the fall? Is it true that Virginia creeper vines can cause the same itching symptoms? Also, are poison oak and poison ivy the same thing? A.

COLUMBUS, Ohio (WCMH) — Did you know? Oils in poison ivy and poison sumac plants can cause allergic reactions so severe they require medical treatment. Within 10 minutes, the urushiol oil from the ...