Carex muskingumensis
Foliage resembling palm fronds reaches to 30" tall and 12-18" wide. Leaves radiate in three distinct planes giving it a unique, somewhat tropical appearance. Nice with ligularias and hostas.
Partial shade in moist, fertile soil. Will grow in shallow water. Spreads slowly but not aggressively. Shear back foliage to force fresh growth.
Palm Sedge