Hardy in zones 4-9. Japanese irises ( iris ensata ) are easy-to-grow flowering perennials with beautiful orchid-like flowers. Amazon. com has been visited by 1m+ users in the past month Transform your garden with an array of plants, seeds & flower bulbs. The flowers are rather flat, rising above green blade-like foliage. The term japanese iris encompasses three species of irises cultivated in gardens or growing wild in japan: Demanding in their needs but if met they will reward you with tall robust plants and larger blooms. The bluish purple color of the flowers of the japanese garden iris is an example of the copigmentation phenomenon. · the blossoms of japanese iris (iris ensata) differ from those of bearded iris mainly because they do not have the tall, upright petals (called standards) in the center of the blossom. Japanese iris culture perhaps no other iris is as influenced by good culture as japanese iris , properly known as iris ensata. Hanashōbu, kakitsubata and ayame. As long as you grow your japanese irises in a sunny location and plant it in moist, acidic soil- they will grow vigorously year after year. Of these three species, i. · japanese irises have the largest flowers of all irises, some measuring six inches or more across, and they are one of the last irises to bloom. A show-stopper, japanese iris ‘agripinella’ (iris ensata) produces large, 8 in. Ensata is the one most commonly referred to as japanese iris outside japan. · when you are looking for an easy-care flower that loves wet conditions, then the japanese iris is just what the doctor ordered. Grow green with our vibrant plant collection and bring life to your home. Get tips on how and when to plant japanese irises in this article. Across (20 cm), gently ruffled, double, rose-pink flowers with a luminous central white blotch delicately spreading out into the petals and bright golden-yellow throats. They have small standards and wide falls (the petals that hang down), giving the blossoms a flatter appearance.