Poison Ivy Changes Color in the Fall
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#58PMX)

If you hike a lot, or go for walks in parks, you've probably memorized what poison ivy looks like-and if you haven't, you should. Leaflets clustered in threes, let it be, and all that. But as summer turns to autumn, there's an important change to note: poison ivy can change colors just like the leaves on trees.