Carex stricta - Tussock Sedge
Likes moist to wet soils, does well around ponds and on stream banks. Reaches a height of 2-3 feet and will have about a 3-5 foot spread so give it some room. Spreads quickly and can be divided every few years.
Sun to Semi-shade, Wet Soil, 2-3 ft. Tall, Zones 5-8