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Smartweed (Water)

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Polygonum amphibium
Smartweed (Water)


They bloom in the summer and fall in wet soil and in the shallow water of ponds.


The tiny flowers are bright pink and bunched together in a rounded 1” long mass at the end of a stem. The leaves are smooth and pointed and the jointed stem can have a hint of pink.

Taxonomic Features (Traits) for Identification

  • Flower Type: Flowers too small to be seen but forming a dense, blunt spike that stands up on the end of a stem

  • Flower Color: Rose
Leaf Arrangement: Alternate

  • Plant Type: Wildflower
Leaf Type: Egg-shaped and entire (smooth edge)

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Amsel, Sheri. "Smartweed (Water)" Exploring Nature Educational Resource ©2005-2023. March 20, 2023
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