Poison Oak is a very cool plant.   1 way Poison oak cool is that there are over 40 types or poison oak . Poison oak is edible but only the root it edible . It also has berries sometimes during the seasons. Poison oak can  also be used for many things like lotion and be used for medicine. It can also be used for knitting baskets tattoos and  for curing ringworm. There is also a nickname for Poison Oak. Poison oak is native to California. It grows in temperate forests and scrublands and grows on vines, climbing vines , shrubs and  The Nickname for the poison oak is the "Poison Crawler". Another Fact about Poison Oak is that the leaves can change color form green , to red , to yellow . Poison oak can also kill other plants either by smothering it or breaking it is it takes its place as its growing.