Poison ivy is the bane of many summer gardeners, but just because the leaves are gone doesn't mean it's harmless in winter. Watch out for this creepy vine.

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.

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?

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 ...

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 ...

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 ...

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 ...

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 ...

Dear Master Gardener: I have forgotten how to identify poison ivy. How do I identify it and if I have it what is the best way to get rid of it? Answer: Poison ivy is a plant that is important to ...

I have to admit I have been remiss with respect to some topics. In most cases it was because I wrongly assumed some things were so widespread and common that any column of that type would simply be ...

Over a decade ago, when Peter Barron started removing poison ivy for a living, he decided to document his work. "Every year I always take pictures of the poison ivy as it's blooming," said Barron, who ...