Poison ivy, oak, and sumac contain an oil called urushiol that causes an allergic skin rash. These plants can be identified by their leaf structure, though some non-toxic plants look similar. To avoid ...

Michigan's summer climate provides ideal growing conditions for many flowers and other plants we enjoy — and for a few poisonous, three-leafed plants we all could do without. Though the common phrase: ...

As temperatures in the First State start to increase, people will be spending more time outdoors. Whether gardening or hiking, Delaware residents need to be on the lookout for certain plants that will ...

Add Yahoo as a preferred source to see more of our stories on Google. If you're heading outdoors this summer, it pays to know the difference between poison ivy, poison oak and other rash-producing ...