Tosh Mazzone, Penn State Extension Franklin County Agronomy Educator In south-central PA, poison ivy plants have completely expanded foliage. Especially early in the season, poison ivy can appear […] ...

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 ...