Iris Flower How To Grow. 16042020 Rhizome irises which are also called rhizomatous iris flowers are taller than bulbous irises. Plant potted irises as you would other perennials.
That is the optimum time to plant in most areas of the Northern Hemisphere. 24062020 Bearded iris also vary in bloom time and flower color. Raised beds are ideal for growing irises as they provide the good drainage needed.
First you need to plant your Iris rhizomes correctly.
However propagating species plants from seed is also an option although the germination rate can be as low as 50 percent and it can take two to three years for flowers to appear. Rhizomatous irises usually bloom in late summer. 01112019 Start with healthy Iris rhizomes. The foliage is overlapping and sword-like.