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 in full bloom and so are plants and weeds that can cause you harm. Outdoor enthusiasts, gardeners and just about everyone else should know about poison ivy, poison oak, poison sumac and ...

The staghorn sumac (Rhus typhina, previously Rhus hirta) is a common plant with a strikingly uncommon appearance. The young branches of the staghorn sumac are upright, with velvety red-brown hairs, ...

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’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.

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 ...

When I announced to some friends that I was planning to establish a native sumac grove on my property, the first thing I heard was, “Why would you want to plant that trash tree on your property?” I ...

Poison ivy, poison oak and poison sumac can make for an uncomfortable summer or fall. If you have ever experienced the blisters, swelling and intense itching of even the briefest of encounters, then ...