This rhizomatous perennial has a tufted growth habit with upright winged stems. The bright green linear leaves are folded in a 'V' shape and the spikelets are arranged in a rounded cluster that appears from spring to summer. 

Hardiness zones 9 to 12 

Cyperus eragrostis is naturally found in South America growing in well drained to damp fertile sandy loams in an open sunny position and is frost and drought tender. 

The Umbrella Sedge is a hardy invasive perennial that is not normally cultivated in gardens. It can be grown as a container or planted around a water feature but is normally regarded as a weed. It is found growing in watercourses or in shaded moist disturbed soils and is controlled by physical removal of the plant and its rhizome. ID 847

Cyperus (si-PE-rus) eragrostis (er-uh-GROS-tis)

Cyperaceae (sy-peer-AY-see-ee)
Sedge Family