Common names include blue sedge, gray carex, glaucous sedge, or carnation-grass, (syn. Carex glauca). The leaves are blue-green above, glaucous beneath, It can be used in drought tolerant landscaping and erosion control plantings. It grows in sun to part shade settings. It is frequent in a range of habitats, including grasslands, moorlands, exposed and disturbed soil, and the upper edges of salt marshes.