Though the bloom is large at 6 inches the standards are shortened and tubular and the falls widespread.
Transplanting japanese roof iris.
For gardeners in warm regions fall provides a good time for transplanting iris.
Japanese roof iris are an example of the great diversity of exotic iris species coming into the nursery industry with varied colors and flower formations.
Crowded plants tend to offer fewer blooms.
The japanese roof iris grows in the shade and still manages to produce a nice display each spring.
On oct 11 2003 terry from murfreesboro tn zone 7a wrote.
Many gardeners wonder when is the best time to transplant iris and how should one go about moving iris from one place to another.
At the moment irises are on the slide being eclipsed by a host of perennials with a longer period of bloom.
Dig and divide your plants every 3 to 4 years to maintain plant vigor.
After division consider placing a few rhizomes in pots to live in your water feature or pond.
Reasons to transplant irises.
Mine was planted in 1990 and has thrived ever since with very little care and only 2 fertilizations during that period of time.
When well cared for iris plants will need to be divided on a regular basis.
Another option is to raise japanese iris at the base of downspouts where rainfall creates somewhat soggy conditions at times.
Japanese iris care will include the division of the rhizomes every three to four years.
Plants come and go in popularity.
In either case the timing allows plants to establish a healthy root system before the weather shifts into a stressful time of cold temps in northern areas or hot summer temps in southern regions.
Japanese iris growth is a direct response of available moisture.
The division process is a great time to inspect the root systems for any problems such as disease rot or insect damage.
Japanese iris can be transplanted almost anytime from spring until fall if you keep the plant wet and the temperatures are below 90 f and above 32 f for a month afterwards.
Roof iris or root iris.
As with regular irises division of the japanese iris is simple.
To grow japanese iris in traditional planting beds keep soil well watered at all times.
Cut through the rhizomes then plant them.
Divide japanese irises as you would regular irises.
In colder regions transplanting iris occurs in early spring with late august offering a second option.
Or is it a wall.
Division keeps growing japanese iris plants in optimum condition to provide the best possible bloom in summer.
The japanese roof iris does very well in coastal south carolina and provides an interesting topic plant.
Provide additional water to japanese iris plants during dry seasons.