poison ivy

Toxicodendron radicans

Weed Characteristics

Other Names: eastern poison ivy, poisonivy

Leaf Type: Woody

Flowers: Greenish-white flowers with five triangular-shaped petals

Leaves: Ovate leaves with serrated or smooth edges; no hair

Life Cycle: Perennial

Leaves grow in clusters of three with the middle leaf being slightly bigger than the two on either side. The leaves have veins that are opposite one another, growing upward in V-shaped patterns. Leaves start out reddish in spring, then become a shiny green in summer before turning various shades of red, orange, and yellow in fall. Plants produce stalks of tiny greenish-white flowers. Flowers are replaced by small, waxy white berries in late summer that turn red in fall. As the vines age, the stems become woody and put out distinctive “hairy” root growths.

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