Marsh Fimbry (Fimbristylis Castanea) 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 7-10. This plant is safe for cats and dogs.

Fimbristylis castanea is a perennial sedge native to coastal salt marshes and brackish wetlands, growing in clumps with narrow basal leaves and stems up to 1.5 meters tall.