Salvia substolonifera (Buddha's Light) is an annual plant that is native to Fujian, Guizhou, Hunan, Sichuan, and Zhejiang provinces in China, growing on streamsides, crevices, and forests at sea level to elevation.
Salvia substolonifera grows on ascending or trailing stems to a height of . Inflorescences are 2-8 flowered verticillasters in axillary or terminal racemes or panicles, with a reddish or purplish corolla.