Iris kaempferi, also known as Japanese iris, is a stunning perennial plant that belongs to the iris family. It has beautiful, brightly coloured flowers that bloom in mid- to late-summer. However, there are several other terms that can be used to refer to this plant, such as Iris ensata, Hanashobu or "flowering rush". Regardless of the name you use, one thing is clear - this iris species is a fantastic addition to any garden. Its deep roots make it perfect for planting in wet, marshy soil and its showy flowers can make any landscape look more colourful and vibrant.