Smartweed (Persicaria pensylvanica)

Common names:
Give a thumbs up Smartweed
Give a thumbs up Big Seeded Smartweed
Give a thumbs up Pink Knotweed
Give a thumbs up Pinkweed
Give a thumbs up Pennsylvania Smartweed

Botanical names:
Persicaria pensylvanicaAccepted
Polygonum pensylvanicumSynonym

General Plant Information (Edit)
Plant Habit:Herb/Forb
Life cycle:Annual
Sun Requirements:Full Sun
Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences:Mesic
Plant Height:12 - 48 inches
Plant Spread:12 - 18 inches
Fruit:Edible to birds
Flower Color:Pink
Bloom Size:Under 1"
Flower Time:Late summer or early fall


Photo gallery:

Discussion Threads about this plant
Thread Title Last Reply Replies
Need help identifying- Small pink plant found in fields in Western PA by xIrisx Oct 11, 2017 3:22 PM 1
Weed ID, Please by DogsNDaylilies Sep 11, 2017 1:36 PM 11
Can you identify these? by Louiseg Aug 3, 2016 9:38 AM 10

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