Botanical Name: Prunella vulgaris. Other Common Names: Common self heal, selfheal, heal-all, heart of the earth, bronella, pronella, prunella. Habitat: Self heal is thought to have originated in Europe. Today, it is found in most countries with a suitable habitat, including Europe, Asia, Japan, and North America. It requires moist soil but is found in all terrains, including grasslands, woodland edges, roadsides, and wastelands. It prefers areas which are either in direct sunlight or only partially shaded. Description: Self heal is a plant in the genus Prunella which includes seven known species. Self heal grows to about 30 to 40