Anthoxanthum odoratum, also known as sweet vernal grass, holy grass, vanilla grass, or buffalo grass, is a flowering plant in the grass family Poaceae. It is a short-lived perennial plant native to acidic grassland in Eurasia. It is grown as a lawn grass and a house plant, due to its sweet scent, and can also be found on unimproved pastures and meadows. 'Odoratum' is Latin for 'odorous'.