Flat-sedge (Blysmus Compressus) is a perennial grass in the Cyperaceae family with moderate care difficulty. It requires high watering and full sun or partial shade light in USDA hardiness zones 4-8. This plant is safe for cats and dogs.

Blysmus compressus is a small rhizomatous perennial sedge that grows in damp, base-rich habitats such as marshes, fens, and wet grasslands.