Poison ivy can be found in every state in the US and in all varying climates. The plant is identifiable as having three ...

Leaves of three — let them be! You've probably heard that little rhyme about poison ivy, the plant that can cause an itchy rash ... This reaction can appear within hours of touching the plant or as ...

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 ...

Leaves of three, let them be! You've probably heard that little rhyme about poison ivy. But did you know that the plants poison ivy, poison oak, and poison sumac all contain the same rash-causing ...