Cool-season bedding plants like pansies, violas, dianthus, snapdragons and alyssum are at their peak right now. Even though ...

In the winter, the plant loses its leaves. However, touching the vine can still cause a rash because all parts of the poison ivy plant — from the roots to the leaves — contain the oil urushiol ...

Poison ivy, poison oak, and poison sumac are three plants notorious for causing itchy, uncomfortable rashes that can turn a pleasant outdoor experience into a nightmare. These plants contain ...

If you're outdoorsy, chances are you've encountered poisonous plants such as poison ivy, poison oak, or sumac. But what does ...

Poison oak rash is an allergic reaction to the leaves or stems of the western poison oak plant (Toxicodendron diversilobum ... Like poison ivy and poison sumac, poison oak releases an oil ...

Urushiol is the oily substance in the leaves, stems, and roots of the poison ivy plant. Approximately 90% of people are allergic to this substance and develop a rash upon contact. So, if someone ...

Also, be aware that oils (the substance which causes the ill-effects) are still toxic even after the leaves have fallen off the plant, such as in the fall. The oils also can transfer from one surface ...

Poison Ivy thrives in a climate changed world. Plants grow faster, bigger and have more toxic oils with increasing concentration of CO2 in the atmosphere and higher temperatures. As warmer ...