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

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.

With springtime in full bloom, both beautiful flowers and unwanted weeds are sprouting up all around Oklahoma. While most weeds are harmless, there are several plants in Oklahoma known to cause ...