Japanese Roof Iris Iris Tectorum

Iris tectorum also known as roof iris japanese roof iris and wall iris is a plant species in the genus iris it is also in the subgenus limniris.

Japanese roof iris iris tectorum.

The species is hermaphrodite has both male and female organs and is pollinated by insects. It is grown on thatch roofs in japan hence its most common vernacular name. The leaves are 15 inches tall fanned at the base and ribbed. There is a white form as well.

Also known as japanese roof iris iris tectorumprefers part sun to sun with some afternoon protection and moist to average well drained soil. Roof iris or root iris. Spring fertilization and heavy mulch in spring and fall. Or is it a wall iris.

Or perhaps it was for purely pragmatic reasons to help hold the thatch together. The roof iris is native to china but was first discovered in the 1860s growing in japan on the roofs hence the common name. Rich moist well drained and slightly acid. Can spread rapidly in the garden.

It is drought tolerant once established but maintains its best appearance with consistent moisture. Other legends indicate it was used to ward off evil spirits. It is a rhizomatous perennial. Though the bloom is large at 6 inches the standards are shortened and tubular and the falls widespread.

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. Japanese roof iris responds well to fertilization during the growing season. Iris tectorum is an evergreen perennial growing to 0 3 m 1ft by 0 5 m 1ft 8in at a medium rate. It grows about a foot tall with a spreading rhizomatous habit common to most irises.

One of my favorite species is japanese roof iris iris tectorum. It is native of china korea and burma with lavender blue bluish violet purple blue blue lilac or sky blue flowers. Full sun preferred but some shade tolerated unlike many other iris soil. With purple white pink and blue flowering roof iris cultivars for sale online.

Iris tectorum or japanese roof iris is a large flowering evansia iris crested iris that grows well in a humus rich damp position. Browse pictures and read growth cultivation information about japanese root iris roof iris wall iris iris tectorum variegata supplied by member gardeners in the plantfiles database at dave. The name japanese roof iris comes from the tradition of this iris being grown on the damp thatched roofs of japanese cottages to help hold the thatch together. Noteworthy characteristics iris tectorum is a 15 tall species of the crested iris group featuring large 6 across beardless bright lilac purple flowers with falls which are crested white.

It is in leaf all year in flower from may to june. One to two tablespoons complete fertilizer 10 10 10 before blooming.