Juncus longistylis, commonly known as Longstyle Rush, is a rhizomatous perennial herb that thrives in wetland habitats such as marshes, fens, wet meadows, and along the edges of streams and ponds. It is native to a wide range of North America, including the United States and southern Canadian provinces. The plant typically forms dense clumps of slender, cylindrical stems that can reach up to 24 inches in height. The inflorescences are small clusters of greenish to brownish flowers that appear in summer, and while not particularly showy, they add a subtle texture to the landscape.

Longstyle Rush is valued for its ability to stabilize soil and filter water in wetland restoration projects. It is also used ornamentally in water gardens and naturalized areas where its low maintenance and adaptability to wet conditions are beneficial. In cultivation, it requires consistently moist to wet soil and can grow in full sun to part shade. While it is not prone to serious diseases or pests, it can spread aggressively in ideal conditions, which should be considered when planting in smaller spaces.CC BY-SA 4.0