Dr. Phyto

Pacific poison oak

Toxicodendron diversilobum

Diseases & pests on this plant

• Urushiol contact dermatitis (poison ivy/oak)Urushiol contact dermatitis

  Contact with any part of the plant releases urushiol oil, causing an itchy, blistering, red rash 12-72 hours after exposure. The oil clings to skin, clothing, tools and pet fur and can be re-spread. Smoke from burning plants can cause severe airway and lung reactions.