Pink Smartweed
Persicaria bicornis
Last reviewed: June 2026

Light
part sun
Water
medium
Size
24"–48" H × 12"–24" W
Bloom
Jul, Aug, Sep
Native to
AR, CO, IA, IL and 10 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Persicaria bicornis is a medium-height perennial forb that produces clusters of small flowers from July through September. This native plant thrives in partial sun conditions with moderate water needs and forms neat clumps 2-4 feet tall.
In an HOA neighborhood
Pink Smartweed takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Obscure species unfamiliar to most homeowners
- May appear weedy or unkempt to conventional gardeners
- Limited availability makes it difficult to establish consistently
Wildlife value
The summer blooms attract bees and butterflies, providing nectar during the peak growing season. This plant supports pollinators when many other native flowers are also in bloom.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Pink Smartweed fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.