Add Yahoo as a preferred source to see more of our stories on Google. Poison ivy is one of the most frustrating plants homeowners encounter, and touching it can trigger an intensely itchy rash caused ...

Climate change may be making poison ivy more toxic, as the plant performs well under conditions with high carbon dioxide ...

A few years ago, my family bought a woodlot next to our home to expand the backyard play area. We wanted the trees, but the ...

Poison ivy is one of the most frustrating plants homeowners encounter, and touching it can trigger an intensely itchy rash caused by the oil urushiol. The plant grows throughout much of North America ...