Polygonum 'Pink Pinheads' (Knotweed, Smartweed)

Polygonum 'Pink Pinheads', commonly known as Knotweed or Smartweed, is a herbaceous perennial plant. It features clusters of small, pink pinhead-like flowers that bloom in late summer to early fall. The plant has an upright growth habit and dense foliage. It is known for its ability to thrive in wet or moist soil conditions, making it suitable for rain gardens or areas with poor drainage.