Luzula nivea | Knoll Gardens | Ornamental Grasses - Snowy wood rush. Slowly increasing tufts of hairy wide green leaves and dense clusters of arching white flowers. Very attractive en masse. Good groundcover for sun or part shade. Height 50cm-60cm. Comb or rake off any old, tired or dead leaves and flowers in spring. If needed evergreens can be cut back (by up to half) at almost any time from April to July. Do not cut back in autumn or winter.