Carex disticha aka Two Ranked Sedge

Carex disticha, or brown sedge, belongs to the Cyperaceae family. It is native to Britain and Ireland. Its range covers central and northern Europe, reaching east to Siberia. It also occurs in parts of southern Europe. Records extend into Turkey and the Caucasus. The RHS lists Carex intermedia as a synonym. This is a perennial plant, so it lives for several years.

Brown sedge reaches about 1.6 feet [0.5 metres] in height. Its wild habitats include damp grassland, fens, marshes, and wet meadows. These sites help explain its need for moist ground. It flowers from June to July. Each plant bears both male and female flowers, but each flower has just one sex. Wind carries the pollen between flowers. Seeds ripen from July to August, after the flowering season. The seeds are small, which makes them awkward to gather and use.

In gardens, brown sedge suits a wet meadow or bog garden. Plants For A Future describes it as easy to grow. Give it soil that stays moist or wet. It grows in full sun or partial shade. The cultivation notes also report growth in shade. It accepts sandy soil, loam, and heavy clay. It also tolerates mildly acid, neutral, and mildly alkaline soil. Plants For A Future lists USDA hardiness zones 4–8. Its need for damp ground should guide the planting site.

Raise new plants from seed or by spring division. Sow seed outdoors in spring, in moist soil with light shade. A cold frame offers another way to raise a small seed supply. At 15°C, seeds usually germinate within two to six weeks. Move cold-frame seedlings into the garden during summer. Large divisions can go straight into their final site. Pot up small divisions and keep them in a cold frame until well rooted. Plant these out in summer or the next spring.

Plants For A Future records cooked roots and seeds as edible parts. It gives the species a low food-use rating. The same source records leaves as a bedding material. It lists no known medicinal uses and no known hazards. This hazard record does not establish safety for pets. Its weed-potential entry does not flag the species as weedy.