Salvia grewiifolia is an undershrub that is native to Bolivia and Brazil, growing in open dry forest and clearings.

S. grewiifolia grows 0.5 to 1.5 m (1.6 to 4.9 ft) high, with petiolate ovate leaves that are 2 to 8 cm (0.78740157480315 to 3.1 in) by 0.5 to 1.5 cm (0.196850393700787 to 0.590551181102362 in). The inflorescence of short terminal racemes grows 5 to 30 cm (2 to 11.8 in) long, with 4-6-flowered verticillasters and a red corolla that is 1.8 to 3 cm (0.708661417322835 to 1.2 in) long.