Carex sempervirens, commonly known as evergreen sedge, is a perennial herbaceous plant belonging to the sedge family, Cyperaceae. This species is notable for its persistent, grass-like foliage that remains green throughout the year, contributing to its common name and ornamental appeal. Evergreen sedge typically forms dense, compact clumps, reaching a mature height of approximately 20 to 60 centimeters. Its growth habit is clumping and upright, making it a tidy addition to various garden settings. The leaves are linear, stiff, and narrow, measuring about 2 to 4 millimeters in width, and are a deep green color. They arise from the base of the plant, forming a dense tuft. The inflorescence of Carex sempervirens consists of several spikelets borne on erect stems, typically appearing in late spring or early summer. These spikelets are usually dark brown or purplish-brown and are arranged in a terminal cluster. The male flowers are located at the apex of the spikelet, while the female flowers are situated below. Following flowering, small, hard fruits called achenes develop. The root system is fibrous and generally shallow, helping to anchor the plant and absorb moisture from the soil. Native to a wide range across Europe, from the Iberian Peninsula and the British Isles eastward to the Balkans and parts of North Africa, Carex sempervirens thrives in a variety of natural habitats. It is commonly found in alpine and subalpine meadows, rocky slopes, scree, and open woodlands, often preferring well-drained soils. It tolerates a range of soil types, from sandy to loamy, and can be found in both calcareous and acidic environments. In cultivation, evergreen sedge is adaptable and generally easy to grow. It prefers full sun to partial shade and requires moderate watering, though it is known for its drought tolerance once established, a characteristic that aligns with its native habitats which can experience dry periods. Its evergreen nature makes it a valuable plant for year-round interest in landscaping. While not widely cultivated for specific agricultural or economic purposes, Carex sempervirens holds ecological significance in its native range by contributing to ground cover and soil stabilization in its natural habitats. Its dense foliage provides habitat and protection for small invertebrates and other wildlife. Ornamentally, its tidy, evergreen form and resilience make it a popular choice for rock gardens, borders, and naturalistic plantings where its architectural form can be appreciated. Its ability to tolerate dry conditions and its evergreen foliage make it a low-maintenance option for gardeners seeking texture and color throughout the seasons. The plant's adaptation to challenging alpine environments, such as steep, rocky slopes, highlights its robust nature and ability to thrive where other plants might struggle.