Pennsylvania smartweed

Polygonum pensylvanicum

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Weed Characteristics

Other names: pinkweed, Pennsylvania knotweed, pinweed, hearts-ease, purple head, swamp persicary
Leaf type: Broadleaf
Flowers: Pink, white

Lance-like leaves on multibranched stems with a low, spreading habit. Young leaves and stems are reddish. Knobby flowers are clustered along spikes at ends of stems. Tolerates a wide range of soils.