Most gardeners have heard of the wise advice “leaves of three, let it be” referring to the pest plant poison ivy. While not quite as catchy, the saying really should be “leaflets of three, let it be.” ...

A few years ago I was leading a group of Merrimack College ecology students on a nature walk, when one of them pointed to a vine with five leaflets per leaf, and asked if it was poison ivy. “No,” I ...

RICHMOND, Va. (WRIC) — Most of us have heard the old saying, likely from adults trying to protect us when we were young and inexperienced: “Leaves of three, let it be.” But is that truly an accurate ...

Poison ivy often grows in cities and suburbs, not just forests. It appears in every U.S. state except Alaska and Hawaii. If you are not sure whether a plant is poison ivy, stay away anyway to keep ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. “Leaves of three, let ...

For the past few summers, Elkins Park homeowner Laura Frank has been managing the poison ivy in her yard on her own. This year, though, the patch in her front yard exploded, seemingly overnight. “I ...

Florida is filled with diverse ecosystems, from the dense forests found in the Panhandle to the wetlands spread out throughout the Everglades. It's perfect for those who enjoy outdoor activities.