Pink Knotweed (Persicaria capitata): Trailing Ground Cover with Pink Pompoms

Pink knotweed, also called pinkhead smartweed, is a low-growing, mat-forming perennial with lance-shaped, green leaves often marked with a dark V-shaped chevron. It produces charming, spherical, pink flower heads on short stems from summer to fall.

Botanical Profile

Native to Asia, this plant thrives in sun to part shade and moist, well-drained soil. It spreads by rooting stems and can be aggressive in ideal conditions. Use in contained areas, hanging baskets, or as a seasonal ground cover. Attracts butterflies.