You don't exactly have to have spent a lifetime in nature to know the old adage: Leaves of three, let it be. But that doesn't keep some people from a rash encounter with poison ivy, poison oak or ...

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 ...

You're working in your garden, pulling weeds and making sure everything looks pretty. A few hours later, while admiring your garden, you start to feel an itch on your arm and notice some red bumps. At ...

You’ve probably heard the phrase “Leaves of three, let it be.” But do you know other ways to protect yourself from poison ivy and similar plants? Keystone Infectious Disease’s Medical Director, Dr.

Toxic and poisonous plants grow in Michigan, including giant hogweed, poison ivy, poison oak, wild parsnip, poison sumac and poison hemlock. Contact with the plants can cause skin irritation, blisters ...

Summer is finally here, so that means it's time for hikes in woods and trips into the outdoors. But if you're not careful, you might come across an unwelcomed part of nature — poison ivy. So before ...

Poison ivy has three leaves, and the middle leaf has a longer stem. Touching poison ivy causes an allergic reaction due to urushiol oil. Poison oak and poison sumac are related to poison ivy and also ...

Poison ivy, along with poison oak and poison sumac, has an oily coating called urushiol, which often causes redness, swelling, and severe itching within 4 to 48 hours after contact with your skin.

Editor’s note: Once a month, OSU Extension Master Gardener Volunteers in Franklin County profile a plant that occurs naturally in central Ohio. The staghorn sumac (Rhus typhina, previously Rhus hirta) ...