What is the genus and species name for Iris?
Iris
Irises/Scientific names
What is the scientific name for Dutch iris?
Iris × hollandica
Iris × hollandica/Scientific names
What is the genus of bearded iris?
Irises
Bearded iris/Genus
How many species of Iris are there?
280 species
We think of the imported garden irises of the Siberian, Spuria, Dutch, and Japanese groups, and their myriad of colors and forms in peoples’ flower gardens. There are approximately 280 species of irises in the world. The majority of them are native to Europe and Asia.
Do all irises have rhizomes?
Since most iris have rhizomes, start by looking for a rhizome. Look at the soil right at the base of the leaves. Some iris will have the rhizome sitting at soil level or even above soil level, as in the picture below. If you don’t see it, remove an inch or two of soil towards the center of the plant.
Is iris a lily?
Irises. Like lilies, irises come in a wide variety. Although flowers on the different types may differ, most irises grow from specialized underground stems called rhizomes. Unlike lily bulbs, iris rhizomes must be planted close to the surface, with a bit of the rhizome visible above the soil.
What is the difference between Dutch and Siberian Iris?
Dutch iris grow from bulbs and can reach 18 to 22 inches tall. They bloom in May and June. Siberians are even taller, rising to as much as 36 inches. Both types bloom in shades of white, cream, purple, blue-purple and yellow.
Do Dutch irises naturalize?
Dutch irises will also naturalize and bloom again the following spring. Some gardeners prefer to treat them as annuals and plant fresh bulbs every fall but if the iris bulbs are happy in a sunny, well-drained spot, they will bloom for many years.
Is Iris a lily?
What are Iris rhizomes?
Bearded Iris are propagated and planted as rhizomes, sideways-growing stems that shoot out laterally, just beneath the surface of the soil. Each new shoot begins to form new roots and shoots of its own. Plants use rhizomes for food storage. Ginger, turmeric, and Canna are all well-known rhizomes.
How can I tell what kind of iris I have?
There are two common types of iris that grow from bulbs and these are easily distinguished from one another by their bloom time. If your plant has a bulb and blooms in early spring along with snow drops and before tulips,it is a reticulata type. If your plant has a bulb and blooms in mid summer it will be a Dutch type.
What is the difference between an iris bulb and an iris rhizome?
Irises come in three forms, rhizome, bulb or root. The rhizome type iris produce larger flowers and include bearded and beardless type flowers, while the bulb type iris produce smaller flowers are often used in rock gardens or in front row of borders to provide early color in the year.
What are the different types of Iris?
Iris flowers are a common sight in gardens across the United States. The genus Iris contains more than 200 species of long-lived perennial flowers in many colors, shapes and sizes, all of which are adaptable to a wide range of growing conditions. The four principal types of iris flowers include bearded, beardless, crested and bulbous.
When to move iris plants?
Wait for the right time. The ideal time to move an iris plant is during their dormant period in summer, about six weeks after blooming. This will give the plant time to establish roots in its new bed before the growing season ends.
When is the best time to transplant iris plants?
The best time to transplant iris is in early summer, right after they finish blooming. Prepare the soil in the new planting bed. Spread a 2-inch layer of peat moss and a 2-inch layer of compost on the surface of the soil.
Can irises be moved in spring?
Don’t Transplant in Spring. Because you need to cut away the foliage when transplanting rhizomes, the spring is a bad time to transplant iris. Irises flower in spring, sometime between April and June depending on the cultivar, and their foliage does not begin to die back until July.