Broadleaf Sedge

Carex platyphylla Cyperaceae

Other names

Blue Satin Sedge

Growth habit



Long-lived polycarpic perennial

Native distribution

Native to the Finger Lakes Region, US, East of the Mississippi River


Mundy Wildflower Garden, Floriculture War Memorial Trail, Houston and Grossman Ponds, Bioswale Garden, Coy Glen, Edwards Lake Cliffs Preserve

Source of plant

North Creek Nurseries


Tufted 2-4 dm, the fertile stems lateral, roughened on the angles; basal sheaths white or light brown; leaves smooth, somewhat glaucous, those of the sterile shoots 10-25mm wide, of the fertile shoots 2-6mm wide; terminal spike staminate, 0.6-1.5cm, on a peduncle 1-8mm; pistillate spikes 2-4, 0.6-1.5cm, scattered, the lowest one basal; pistillate scales apiculate or with an awn to 2mm; perigynia 2-9, overlapping, 3-4.5mm, finely many-nerved as well as 2-ribbed, sharply trigonous, elliptic in outline, rather abruptly contracted to the short, erect or outcurved beak with entire orifice; achene sharply trigonous.

USDA Hardiness Zone


Special characteristics

foliage characteristics