What makes poison ivy a much dreaded plant is urushiol, an oily resin that, upon contact with the skin, can result in contact dermatitis, often presenting as a red, itchy rash with blisters or bumps.

More than likely, we've all had a scare once or twice involving poison ivy. If you are an outdoor enthusiast, being educated about poison ivy and how to deal with its effects is important. Learn how ...

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 ...

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) ...

SHREVEPORT, La. - For many homeowners, battling unwanted plants in the yard is just part of the routine. But one invasive vine can do more than take over flowerbeds — it can cause painful rashes and ...

Add Yahoo as a preferred source to see more of our stories on Google. Close up of poison ivy leaves - Robert Winkler/Getty Images When the snow is falling and the yard is asleep, poison ivy's ...

Poison ivy tends to hide in plain sight. It grows in wooded areas, climbing its way up the sides of trees. It hides in the weeds on the ground. It spreads quickly, taking over fences and flower beds.

When the snow is falling and the yard is asleep, poison ivy's (Toxicodendron radicans) leaves are gone, it doesn't seem very dangerous, and the vines clearly stand out against the trees. It's tempting ...