Cyperus flavescens, commonly known as Yellow Flatsedge, is a perennial herb that is part of the sedge family. It is native to a wide range of habitats including marshes, wet meadows, and the edges of ponds and streams across Europe, Africa, Asia, North America, and the sub-tropical biome. This plant typically grows to a height of 10-40 cm and has a clumping growth form. Yellow Flatsedge has green, grass-like leaves and produces small, yellow-green flowers in umbrella-like clusters from late spring to late summer. The flowers are not particularly showy, but they add a subtle charm to the plant’s overall appearance.

Yellow Flatsedge is valued for its ability to thrive in wet conditions and is often used in rain gardens, water features, and as a ground cover in damp areas. It prefers full sun to part shade and requires consistently moist to wet soil conditions. It is relatively low maintenance but may require division every few years to manage its spread. While it is not known for serious disease or pest problems, it can become invasive in some regions, outcompeting native plants. Gardeners should be cautious and check local regulations before planting.CC BY-SA 4.0