Poison ivy grows as a vine or woody shrub in woodlands, forest edges, and along lakes and rivers. It is native throughout the U.S. and parts of Canada. As a vine, poison ivy grows by aerial ...

Poison ivy has leaves in groups of three, a green or reddish tint, and a hairy vine. A poison ivy rash looks like small, red bumps that can sometimes progress into blisters. To avoid poison ivy ...

Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage. Your skin absorbs this allergen when you touch the plant. You may be able to reduce symptoms ...