Elk Blue California Gray Rush, An upright fine-textured evergreen grass-like plant that forms dense clumps from short rhizomes with narrow rounded blue-gray leafless stems that grow upright typically to a height of 18 to 24 inches but can reach 30 inches with regular irrigation and fertilizer or if planted in shallow water.
Native to California and Oregon
Height to 2′ high
Sun or light shade
Useful at poolside, in mixed plantings, on banks. Can take wet feet in winter, some drought in summer.