Usually growing in partial to full shade, Luzula sylvatica tends to grow on acidic soils in damp habitats. It can be found on stream banks and well-drained, open woodland, as well as in open ground and rock ledges and peaty heath moors. Despite its preference for acidic soils, it can tolerate most soil pH levels. The leaves of Luzula sylvatica are picked in winter by golden eagles to line their eyries, The flowers and seeds are also the sole food source for the larvae of the Coleophora sylvaticella moth. is commonly used in horticulture — its thick, patch-forming habit (which allows the plant to act as a weed suppressant).