KNOTWEED
(Polygonum aviculare)

Knotweed

ID Features: Leaves
  • Small, narrow, smooth margins
  • Whitish, membranous sheaths around stems

  • Flowers
  • Small white or pinkish
  • Borne in junction of leaf and stem
  • Growth
    Habit/Spread:
  • Annual
  • Forms a tough, wiry mat
  • Additional
    Notes:
  • Prefers compacted soils
  • New seedlings often mistaken for young grass plants