Red Blooms in Pond Yard
From Perplexity 11/7/2026. Identification: Swamp Smartweed (Mild Waterpepper) The plant in your photos is swamp smartweed (Persicaria hydropiperoides, formerly Polygonum hydropiperoides), a member of the knotweed/smartweed family (Polygonaceae). The evidence from your photos lines up well with this species: One confirmation check: this species strongly favors damp soil — swales, ditch edges, poorly drained lawn […]
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