Dotted Smartweed

Polygonum punctatum

Dotted smartweed is a wetland smartweed with gland-dotted leaves and greenish-white flower spikes, a wildlife food plant for the margins of ponds, ditches, and swamps.

Family: Polygonaceae
Type: wildflower
Lifespan: perennial
Height: 1–3 ft
Spacing: 1–2 ft apart
Light: sun
Soil moisture: wet
Soil pH: acidic, neutral
Bloom: July, August, September, October
Bloom colors: white, green
Wildlife value: pollinators, songbirds
Landscape uses: border, rain garden, erosion control, naturalizing
Native states: WI