Just the mention of the words “poison ivy” may have some of you itching already. The Johnson County Extension gardening hotline receives numerous requests for identification and control each summer.

Skin irritation, redness, itching—you know the signs. If you’ve been out in the garden recently and have come away with a nasty rash, you may have gotten yourself into a patch of poison ivy. Poison ...

As East Texans take to decluttering their yard from fallen leaves, poison ivy, even brown and dormant, poses a risk of ...

Poison ivy usually grows as a vine, but can also take on a bushy form. It can grow anywhere and its appearance changes throughout the year, and it looks like dozens of innocent plants, such as ...

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 ...

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?

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 ...

Can you give me some advice on poison ivy control — I’m very allergic. I know what it looks like. I need to get some information on how to get rid of it. — Jack Anyone cleaning out overgrown areas or ...

It was a close encounter in 2012 that made microbiologist John Jelesko take an interest in poison ivy. The Virginia Tech associate professor was cutting up a downed tree with an electric chainsaw.

It is a great time of the year to be outside watching the leaves turn color a little bit each day even though the fall color season is late this year compared to recent years. Collecting those leaves ...