There are several different types of iris to grow in the garden, including bearded German irises, Siberian irises, and Dutch irises. Japanese irises (Iris ensata), also known as Japanese water irises, are known for their large blooms, vivid colors, and suitability for damp areas. They are slightly more fussy than other types of iris, but when planted in a suitable location with the right soil conditions, they thrive and bloom beautifully year after year. The best time of year to plant Japanese irises is in early autumn.
read more: When To Plant Japanese Iris For Flourishing Spring Blooms