Poison ivy might be a small plant, but it can cause big trouble—for both your yard and your skin. Its oily sap, called urushiol, is what triggers that itchy rash, and even a tiny amount can cause a ...

Gardeners love fast-growing plants that don’t need a ton of care and that will grow anywhere, no matter what the conditions. However, there’s one vigorous native plant we don’t want in our gardens: ...

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 ...

Fortunately, most local areas received significant rainfall over the past week—certainly a welcome development. That said, I distinctly recall several days filled with complaints (mostly from myself) ...

Remove this plant from your landscape safely and effectively. Nothing puts a damper on spending time in your yard like realizing you, your kids, or your pets have stumbled into a patch of poison oak.

How long your poison ivy rash will last depends on the severity of exposure as well as whether you've had a rash in the past, ...

There are multiple subspecies of poison ivy in North America, but all have leaf groups of three and can be green or have a ...

Gardeners and hikers beware: Poison ivy may look like an unassuming plant, but it's one you're going to want to be able to identify before you wind up with an uncomfortable rash. If you do come home ...

Last week, we answered a reader’s comment about using witch hazel to ease the itch of a poison ivy rash. We suggested a few other products that might also be useful. In response, we received this ...

Enjoying the outdoors carries the danger of running into nature’s less-friendly side: toxic plants and animals. As toxicologists at the University of Virginia’s Blue Ridge Poison Center, we see many ...