Toothache Grass (Ctenium Aromaticum) is a perennial grass in the Poaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is safe for cats and dogs.

Ctenium aromaticum, known as Toothache Grass, is a native perennial ornamental grass in the Poaceae family, notable for its aromatic properties that numb the mouth when chewed.