Dog's Mercury (Mercurialis Perennis) is a perennial herb in the Euphorbiaceae family with moderate care difficulty. It requires moderate watering and full shade or partial shade or dappled_shade light in USDA hardiness zones 4-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Mercurialis perennis, commonly known as dog's mercury, is a poisonous perennial woodland plant native to Europe and parts of North Africa and Asia.