Poison ivy, poison oak, and poison sumac are three plants notorious for causing itchy, uncomfortable rashes that can turn a pleasant outdoor experience into a nightmare.
The poison oak plant looks like a leafy shrub and can grow up to 6 feet tall. In shady areas, it can grow like a climbing vine. The leaves ... Like poison ivy and poison sumac, poison oak releases ...
Poison Sumac is another plant that contains urushiol ... which is easily dispersed by the wind and can travel for miles.