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. In Michigan, two types of ...

You may have managed to dodge the dreaded rashes often associated with poison ivy, poison oak or poison sumac, but that doesn’t necessarily mean you’re not allergic. While it’s true that a percentage ...

Poison ivy has a compound leaf made up of 3 leaflets which can be 1 to 4 inches long. The middle leaflet is the only one with a long stalk. Courtesy Johnson County Extension Just the mention of the ...

Leaves of three, let it be. That’s the common expression to avoid run-ins with poison ivy and poison oak — common toxic-to-the-touch plants found in North Carolina’s Triangle area and beyond. Virginia ...