Poison Oak V Poison Ivy. The leaves and stems of poison ivy, poison oak, and poison sumac all contain sap with a toxic oil called urushiol. The former species is radicans whereas the species name of poison oak diversilobum.
Obviously, you can get poison ivy by touching the plant directly, but you can also get it by touching something else that came into contact with it — like your dog. Swipe to advance Poison ivy contains a chemical called urushiol that causes an itchy rash. When you notice the weeds in your yard, remove them carefully to protect you and your family.
Get a poison ivy description to help you recognize and avoid the plant.
So we created some maps to help you figure out which plants to look for.
This formula uses Trimec, a fast and effective herbicide that destroys plant pests from the leaves to the roots. A rash from poison ivy, oak, or sumac looks like patches or streaks of red, raised blisters. They all belong to the family of Anacardiaceae.