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Japanese Iris

Japanese Irises
Japanese irises, probably nowhere else, have achieved the cult status that is reserved for them in Japan.

( Japanese Iris )
Iris are an incredibly diverse group of bulbs and rhizomes, encompassing over 200 species and numerous cultivars. They range widely in cultural requirements, some are drought tolerant, while others require a pond to flourish.

Iris ensata (Japanese iris)
Iris ensata 'Sensation' Photo/Illustration: Melissa Lucas
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Iris ensata - Iris Kaempferii - Japanese Iris
Iris ensata 'Sansation'.

Japanese Iris (I. ensata): These require a slightly acid soil and have the most spectacular flowers of all the iris. Blooms are usually huge, ruffled and flat in form; some are marbled with gray or white.

Blue Japanese Iris - Aquatic. Herbaceous perennial. Bright blue flowers up to 8" across appear in summer. 24"-36" tall and clumps. Full/part sun. Hardy to 10-15 F. [Iris kaempferi]
Iris foetidissima ...

Japanese iris makes a four-foot-tall, early-summer-blooming plant. Colors include blue with purple ('Dazzling Tapestry'), purple ('Floating Cloud'), pink ('Pink Lady'), rose ('Rose Queen') and white ('White Queen').

A Japanese iris beside the bowl is barely visible in the picture, its tips in the lower lefthand corner. This became very large in the following spring.

Japanese Iris is also known by the scientific name of Iris kaempferi, and is easily recognized by its flat-topped flowers, due to its standards (three upper petals) being pendulous like the falls (three lower sepals), ...

Royal One Japanese Iris [English]: Iris 'Royal One'
Royal Orange Daylily [English]: Hemerocallis 'Royal Orange'
Royal Paint Brush [English]: Haemanthus albiflos
Royal Palace Guard Daylily [English]: Hemerocallis 'Royal Palace Guard' ...

Japanese Iris (Iris ensata)
Japanese Iris (Iris tectorum 'Alba')
Japanese Kerria (Kerria japonica)
Japanese Kerria (Kerria japonica 'Pleniflora')
Japanese Kobold Barberry (Berberis thunbergii 'Kobold')
Japanese Lace Fern (Polystichum polyblepharum) ...

Bearded, Siberian and Japanese irises grow 6 to 48 inches tall. The blossoms are. More
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Tip: Most rebloomers are tall bearded iris, but other types -- such as dwarf bearded, Japanese iris, and Siberian iris -- can also rebloom. You'll probably need to seek out a specialty iris grower to obtain these varieties.
Rosalie Figge ...

Hirao was a well known plant breeder in Japan in the 1940's, '50s, and '60's and is probably most responsible for making the Japanese iris the popular plant that it is today. However, very few people know of his work with Tricyrtis.

The invasion of Japanese beetles appears to have started in a New Jersey nursery shortly before WW I when infested soil was used to ship Japanese irises. A quarantine and eradication program established in 1917.

That's where she planted water-loving perennials such as globeflowers (Trollius chinensis), Ligularia, Rodgersia, and umbrella plants (Darmera peltata). Standard white callas and Japanese irises also do well in damp soil.

At first I thought it was a Japanese Iris, but it was much too early in the season. I dug around and found a faded tag that said Louisiana Iris - D.K. Williams or Dorothy K Williams.

refer to the German bearded iris, the flowers commonly seen blooming throughout the United States starting as early as May in most climate zones. Other varieties frequently planted include dwarf types, which tend to bloom earlier, and Japanese iris.

Beardless irises comprise the Pacific Coast irises, Siberian, Spuria, Laevigatae the water or Japanese irises, Louisiana, Unguiculares and Crested irises.