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Polygonum punctatum
Polygonum punctatum Elliott
Dotted Smartweed
Polygonaceae (Buckwheat Family)
Synonym(s):
USDA Symbol: POPU5
USDA Native Status: L48 (N), HI (I), PR (N), CAN (N)
Smartweed grows to 3 feet tall with leaves 2-6 inches long. The greenish-white flowers have sepals but no petals, are 1/16 inch across, and are in racemes 1-2 1/2 inches long at the end of the erect stem.
Bloom Information
Bloom Color: White , GreenBloom Time: May , Jun , Jul , Aug , Sep , Oct
Distribution
USA: AL , AR , AZ , CA , CO , CT , DC , DE , FL , GA , HI , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , VA , VT , WA , WI , WV , WYCanada: NB , NS , PE
Growing Conditions
Water Use: MediumLight Requirement: Sun
CaCO3 Tolerance: Medium
Benefit
Conspicuous Flowers: yesFind Seed or Plants
Find seed sources for this species at the Native Seed Network.
Mr. Smarty Plants says
Getting rid of Polygonum punctatum (dotted smartweed)
July 28, 2008
Dear Mr. Smarty Plants,
After much online research, my property has been invaded by what I believe to be Persicaria polygonum punctata, more commonly known as dotted smartweed. I have tried hortic...
view the full question and answer
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Nueces River Authority - Uvalde, TX
Native Seed Network - Corvallis, OR
Bibliography
Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. LoughmillerBibref 1294 - The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.
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Additional resources
USDA: Find Polygonum punctatum in USDA PlantsFNA: Find Polygonum punctatum in the Flora of North America (if available)
Google: Search Google for Polygonum punctatum
Metadata
Record Modified: 2012-12-09Research By: TWC Staff