Mertens' Sedge (Carex Mertensii) is a perennial grass in the Cyperaceae family with easy care difficulty. It requires high watering and partial shade or full shade light in USDA hardiness zones 4-8. This plant is safe for cats and dogs.

Carex mertensii, known as Mertens' sedge, is a perennial sedge native to western North America, thriving in moist and wet habitats such as mountain forests and meadows.