''Salvia coulteri'' (Coulter's sage) is a perennial shrub that grows on dry rocky mountainsides in five Mexican states:

Nuevo León Nuevo León () is a state in the northeast region of Mexico. The state was named after the New Kingdom of León, an administrative territory from the Viceroyalty of New Spain, itself was named after the historic Spanish Kingdom of León. With a ...

, Zacatecas,

Tamaulipas Tamaulipas (), officially the Free and Sovereign State of Tamaulipas ( es, Estado Libre y Soberano de Tamaulipas), is a state in the northeast region of Mexico; one of the 31 states which, along with Mexico City, comprise the 32 Federal Entiti ...

Durango Durango (), officially named Estado Libre y Soberano de Durango ( en, Free and Sovereign State of Durango; Tepehuán: ''Korian''; Nahuatl: ''Tepēhuahcān''), is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in ...

, and Hidalgo. It was introduced to horticulture in 1991 from a plant collected at in Nuevo León. It grows about 2.5 ft tall and 3 ft wide, with many stems and a graceful appearance. The small (0.5 in) electric lavender-blue flowers grow in tight whorls and bloom profusely. Even though it flowers are in whorls, the calyces are all on one side, causing the flowers to sweep to one side. The calyces persist long after the flowers drop, and have a mint-like fragrance when rubbed.

Notes

coulteri Flora of Mexico {{Salvia-stub