Poison ivy contains an oil called urushiol, which causes a red, itchy rash when it transfers to the skin. Every part of the plant contains this oil, from the roots to the stem to the leaves ...

Pull up videos or pictures online to show your family so they know what to avoid. The new poison ivy leaves are reddish but ...

The University of Massachusetts Extension Weed Herbarium offers pictures of various parts ... This plant has three leaflets ...