Swamp Smartweed
Polygonum hydropiperoides
Swamp smartweed lines marsh and pond edges with slender spikes of pink-white flowers; its seeds are a key food for waterfowl and marsh birds. Spreads in saturated ground.
- Family
- Polygonaceae
- Type
- wildflower
- Lifespan
- perennial
- Height
- 1–3 ft
- Spacing
- 1–2 ft apart
- Light
- sun
- Soil moisture
- wet
- Soil pH
- acidic, neutral, alkaline
- Bloom
- May, June, July, August, September, October, November
- Bloom colors
- white, pink, green
- Wildlife value
- pollinators, songbirds
- Landscape uses
- border, rain garden, erosion control, naturalizing
- Native states
- AK, AL, AR, AZ, CA, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, VA, VT, WA, WI, WV