Well over half of the human population is sensitive to poison ivy, poison oak or poison sumac. Rashes usually peak in early ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. Poison ivy always has three leaflets attached to the stem alternately. Spring officially arrived on March 20, but for many ...

Try one of these expert-proven methods for ridding your property of poison ivy.

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 ...

More than likely, we've all had a scare once or twice involving poison ivy. If you are an outdoor enthusiast, being educated about poison ivy and how to deal with its effects is important. Learn how ...

By David Gerson, DO, with Sherwood Family Medical Clinic It’s finally the time of year when you can truly put on shorts and ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Michigan's summer climate provides ideal growing conditions for many flowers and other plants we enjoy — and for a few poisonous, ...

Warm, humid weather can help poison ivy spread quickly. Here is how to spot the uneven leaves and thumblike notch before your ...

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 ...