Michigan's ecosystem is diverse, stunning and perhaps deadly. Growing in the state's woodlands are poisonous plants. Here are ...

Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

Georgia's ecosystem is beautiful, diverse, and sometimes deadly. Here are six plants to avoid if you find them in your yard or in the woods.

Recently, after writing about mangoes, I received the following email from Steve Huffman: “It might be worth mentioning that ...

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 ...

Many of you may remember the old Scout saying “Leaves of three, Let it be!” That is a good thing to keep in mind while ...

This oil resides in the leaves, stems, and roots of the plant ... that can relieve itching and discomfort caused by poison ivy, oak, and sumac reactions, insect bites, and minor skin irritations ...

Poison sumac is a much rarer plant to find ... This species produces the same oil in its sap as poison ivy and oak. Contact with leaves and stems (even in winter) will result in a severe rash ...