The hollow stems often appear reddish-green. Leaves are oval to lance-shaped, about 3 inches long, alternate, and light green. Flowers are bright yellow with five petals and are about 1 inch in diameter.
Water primrose is common throughout Mississippi in ponds, lakes, ditches, and swamps.
It frequently causes problems in private ponds and requires treatment to keep it from ruining a pond. You get good control with the treatment given below. Read and follow label instructions before using any chemical in water. Mix and spray evenly over plants. We have taken special care to make certain all herbicide treatments are registered with the Environmental Protection Agency for use in the manner described.