Nemorosa is a Latin adjective deriving from nemus, meaning forest.. May Night is the cultivar name. Its common name is sometimes given as  meadow sage .. Plant Type: May Night salvia plants are herbaceous perennials. Characteristics of May Night Salvia: May Night salvia was the 1997 Perennial Plant of the Year.ay Night is the cultivar name. Its common name is sometimes given as  meadow sage .. Plant Type: May Night salvia plants are herbaceous perennials. Characteristics of May Night Salvia: May Night salvia was the 1997 Perennial Plant of the Year.
Traditional Use and Health Benefits. Sassafras is a root bark from North America. It is good for skin, as it is a natural disinfectant and healing salve, it is useful in conditions of psoriasis and eczema. It makes an excellent mouthwash, and can treat head lice and bodily infestations.
However, the oil contains safrole, which has been shown to be carcinogenic in rats and mice. The Food and Drug Administration has prohibited the use of oil of safrole and sassafras bark in food, but permits use of edible spices, which contain very small amounts of safrole.