There are two common types of leaf diseases on English ivy found in Illinois. One is caused by fungi and the other is caused by a bacterium. Both diseases can cause defoliation if severe, but your ivy ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. “Leaves of three, let ...

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 ...

Many Ozarkians are gearing up for summer outdoor recreation. Hiking, camping, fishing, and rafting are all popular activities in the area. Anyone outdoors brushing up against plants may occasionally ...

Anyone cleaning out overgrown areas or even just weeding should beware. Poison ivy (Toxicodendron radicans) may be growing among the plants you are handling. It pays to be able to identify this plant, ...