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.

But poison oak may have more than three leaves, and depending on the season, species and local environment, plants can vary. All parts of the plant, including roots, can cause an allergic reaction ...

Related: The 10 Best Work Gloves of 2024 for Every Project Hand pulling is the most labor-intensive method to eliminate poison oak, but it's often the most effective. Young, small plants are ...