Sage, a member of the Lamiaceae family and a perennial herb, grows in clumps with stems reaching 30-60 centimeters in height. It has many branches, is hairy, and its lower stem leaves are bipinnate compound, while the upper stem leaves are simple pinnate with short petioles. The verticillate cymes bear 2-6 flowers, forming an axillary pseudostrobilus or paniculate inflorescence about 20-35 centimeters long. Flower colors include blue, light blue, light purple, light red, or white. The labiate flowers have a small upper lip and a large lower lip, with the petals remaining after flowering. Flowering period is from April to October.

Originating from Texas, Mexico, and southern Europe, the distribution ranges from Spain to the northern coast of the Mediterranean. In China, it is mainly found in East China, Hubei, Guangdong, and Guangxi provinces. Prefers a well-lit and humid environment, with good drainage in sandy loam or deep, fertile soil. However, it can grow in most soil types, has good drought resistance, and is moderately cold-tolerant, with the ability to withstand temperatures as low as -15°C. It is sensitive to heat and dryness.

Sage, an ancient medicinal plant in Europe, is also used for roadside greening, flower beds, and beautifying gardens. Additionally, it serves as an excellent nectar source and can be used as a seasoning.