How to Prune yellow nutsedge?
Cut back dead material in autumn

yellow nutsedge · Cyperus esculentus
Also known as: chufa; earth almond; edible rush nut; grass nut; nut rush; tiger nut; Zulu nut
Grow in moisture-retentive soil, can be grown as bog plant in sun or light shade. Can be grown in large containers to prevent spread of invasive roots
Cut back dead material in autumn