Although there are 800 to 900 species in the Salvia family, there are only a handful that we recognize and place in a position of importance in the herb garden. There is little more you can expect from a plant.
Salvias are native to southern England and enjoy the arid conditions found in drier temperate zones.
Full sun and well drained soil are a must if you are to avoid root rot. Of the salvias I've known, this is my favourite. Breathtaking in a mass planting of three or more plants, it is equally striking when planted singly. Its calyxes are long lasting even after its blossoms have faded and are suitable for use in dried floral arrangements. A native of southern Europe, it requires dry, well drained, somewhat alkaline soil and full sun.