Pennsylvania smartweed

Photo by Dan Tenaglia, courtesy www.xidservices.com

Photo by Dan Tenaglia, courtesy www.xidservices.com

Photo by Dan Tenaglia, courtesy www.xidservices.com

George Weigel

Pennsylvania smartweed

Persicaria pensylvanica

Weed Characteristics

Other Names: pinkweed, Pennsylvania knotweed, pinweed, hearts-ease, purple head, swamp persicary, Polygonum pensylvanicum (formerly)

Leaf Type: Broadleaf

Flowers: Pink, white

Leaves: Pointed leaves with smooth edges; some hair

Life Cycle: Summer annual

Lance-like leaves on multibranched stems with a low, spreading habit. Leaves are lance-shaped and alternate along stems, green, and may have a black or purple mark in the center. Young leaves and stems are reddish. Knobby pink and white flowers are clustered along spikes at the ends of stems. Tolerates a wide range of soils.

Products That Control This Weed

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Pennsylvania smartweed

Weed Characteristics

Products That Control This Weed

Preen Extended Control Weed Preventer

Preen Mulch with Extended Control Weed Preventer

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