Mercury (Mercurialis Leiocarpa) is a perennial herb in the Euphorbiaceae family with moderate care difficulty. It requires moderate watering and partial shade or full shade light in USDA hardiness zones 6-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Mercurialis leiocarpa is a perennial herb native to East Asia, especially Japan and Nepal, belonging to the spurge family.