Is There Poison Ivy in Southern California

Poison-ivy and Poison Sumac are not found in Southern California. The common factor is the poison, a toxic oil – urushiol.

Does Southern California have poison oak or poison ivy?

Poison oak is found primarily on the Western coast of the US. It grows as both a shrub and a vine and is widespread throughout the mountains and valleys of California. … Poison ivy is common across much of North America.

Where does poison oak grow in California?

Poison oak (Toxicodendron diversilobum) is found mainly in the western regions of California growing from sea level to the mountains. Grassy hillsides, forests, recreation areas and coastal locations are home to the plant.