Salvia trijuga is a perennial plant that is native to Yunnan, Sichuan, and Xizang provinces in China, found growing on hillsides, streamsides, grasslands, thickets, forests, and valleys at 1,900 to 3,900 m (6,200 to 12,800 ft) elevation. S. trijuga grows on erect stems to 30 to 60 cm (12 to 24 in) tall. Inflorescences are widely spaced 2-flowered verticillasters in terminal racemes or panicles, with a 2 cm (0.79 in) blue-purple corolla with yellow spots.