Swamp Loosestrife (Decodon Verticillatus) is a perennial shrub in the Lythraceae family with moderate care difficulty. It requires high watering and full sun or partial shade light in USDA hardiness zones 4-9. This plant is safe for cats and dogs.

Decodon verticillatus, commonly known as swamp loosestrife or waterwillow, is a native wetland plant found in the eastern half of the United States and Canada.