Poison ivy (Toxicodendron radicans) is a vine that contains an oily resin known as urushiol. According to the Centers for ...

However, you can get a poison ivy rash by touching someone who has just touched the plant or if you happen to come into contact with contaminated objects like gardening tools or gloves.

Another plant you really want to avoid touching is the wild parsnip. These look related to the aforementioned giant hogweed, ...

Poison ivy grows throughout North America, especially in wooded areas, and touching it can give most people an itchy rash. Therefore, identifying and avoiding the plant is crucial if you don't ...

The plant may have yellow or green flowers or yellow-green berries, depending on the time of year. Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage.

When you’re spending time outdoors this summer, in your own yard or hiking in a park, it’s useful to know to spot poison ivy.