About mile-a-minute vine (Polygonum perfoliata)
Mile-a-minute vine, also called devil's tear-thumb, is a summer annual herbaceous vine that can climb over vegetation, smothering plants forming dense mats
Thrives in full sun but can tolerate shade. Shallow fibrous root system. Leaves are light-green, alternate, and triangular to heart-shaped at the base. Stems are armed with recurved barbs which are also present on the underside of the leaf blades. Blue/black berries
Primarily a self-pollinating plant. A prolific seed producer. Seeds are typically spread by birds
Pull seedlings and young vines early in the summer, do not let the plant go to seed
Mile-a-Minute | Penn State Extension
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