Iris ensata, commonly known as Japanese iris, is a perennial flowering plant native to Japan and other parts of East Asia. It typically grows in wetland areas and features large, showy flowers that can be purple, blue, or white. The blooms usually appear in late spring to early summer and are known for their striking beauty and intricate patterns. This species thrives in moist, well-drained soil and prefers full sun to partial shade. Iris ensata is often cultivated in gardens and water features, making it a popular choice for ornamental landscaping. Its unique flowers attract pollinators, contributing to local biodiversity.