Iris ensata
Japanese Iris
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Japanese Iris (Iris ensata) - Description
The term "Japanese iris" (Iris ensata, including Iris kaempferi) encompasses three varieties of Irises cultivated in gardens or growing wild in Japan: hanashōbu, kakitsubata and ayame. The species I. japonica (fringed or crested iris) is dealt with under that heading. The bluish purple color of the flowers of the Japanese garden iris is an example of the copigmentation phenomenon.
Japanese Iris (Iris ensata) - Blooming
All bear flowers with 6 petals. Three, called standards, point up or out. And three, called falls, point out or down. Generally flowers are borne in small clusters and buds open in succession along the stalk.
Japanese Iris (Iris ensata) - Growth
A vast genus or both perennials and bulbs, 300 species and thousands of cultivars. Foliage is sword shaped, strap shaped, or grassy. Some rhizomatous species spread widely, other form clumps.
Japanese Iris (Iris ensata) - Planting
Varies by type. Beware of planting rhizomes too deeply or covered with too much mulch, as they may rot. Plant bearded irises from mid-summer to early fall.
Japanese Iris (Iris ensata) - Pest
The most serious problem is bacterial soft rot, which you will recognize from mushy, foul-smelling rhizomes. To prevent, do not use manure or excess nitrogen, especially with poor drainage. If soft rot occurs, dig up and destroy the effected portions of rhizome
Japanese Iris (Iris ensata) - Interesting facts
Iris, the Greek goddess of the rainbow, gives her name to these flowers. History records their cultivation as far back as 1500 BC in Egypt.
Japanese Iris (Iris ensata) - Soil and irrigation
Bearded irises prefer average to rich, well-drained soil. Whereas bog irises need permanently damp soil or even to be placed at a pond margin.
