Poison ivy (Toxicodendron radicans ... The plant can grow up to 14 feet tall with 5-foot-wide leaves and 2.5-foot-wide, umbrella-shaped. white flowerheads. If you touch this plant, immediately ...

Its leaves also have saw-toothed edges, unlike poison sumac. While poison sumac likes to grow in wetlands, most other sumacs prefer drier areas with well-drained soils. Poison ivy and poison oak ...