We have taken special care to make certain all herbicide treatments are registered with the Environmental Protection Agency for use in the manner described. Read and observe the manufacturer's label to prevent misuse of a herbicide. It is not intended or proposed that usage of any given practice suggested in this information sheet be in violation with existing registration or manufacturer's label. If you fail to read carefully and follow suggested treatments, you could cause extensive damage to crops or livestock. The stem is distinctly jointed, with each swollen joint or node covered by a thin sheath.
Leaves are alternate and usually linear to elliptical.
Flowers are white, pink, or greenish. Smartweed is common throughout Mississippi, along the edges of ponds, lakes, streams, marshes, and in ditches. It can become a serious problem in commercial and private ponds. Often you can control it by deepening the edges of a pond to a minimum depth of 2 feet. You can have relatively good control with either of the treatments listed here.