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Learn about planting iris rhizomes and growing iris flowers. We explain how to care for irises including bearded irises, and their soil, water, sun needs.
The ideal day to divide a plant is when it is cool and there is rain in the forecast. [4] Start by digging a circle around the plant about 4-6 inches from the base. Next, dig underneath the plant and lift it out of the hole. Use a shovel, gardening shears, or knife to physically divide the plant into multiple "divisions".
Bearded irises are tough plants, but a little maintenance goes a long way in long-term health. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 ...
Iris dichotoma grows from a small fibrous rhizome [2] [3] that is stout and very short. [4] Underneath the rhizome, it has thick and swollen roots. [3] It has numerous typical iris-looking leaves [2] [5] that are similar in form to a bearded iris, [6] except fan shaped. [2] [7] They are also similar to a Vanda orchid's leaves. [6]
Iris typhifolia has been very useful to plant breeders and hybridisers, due to its hardiness, foliage, flower markings. [7] and because it flowers earlier than other siberian irises. [5] [11] Iris typhifolia 'China Spring' was the first introduced Iris typhifolia hybrid; Iris typhifolia 'Caitlin's Smile' – with erect foliage and purple blue ...
Plants require dividing every 3–4 years to promote good flowering. They can combine with other plants but tend to 'move' to suitable positions. [14] [15] [32] The iris seed is not hard to raise but a very slow process. [33] It can take many months to germinate (between 3–12 months) with a 50% germination average. [14]
The irises are planted shallow, leaving the tops of the rhizomes exposed, [21] to the sun. They are not mulched, as this could cause rotting to the rhizomes. [ 12 ] They can be fertilized in early spring, and again in late summer, [ 14 ] with a general fertilizer or bone meal . [ 12 ]