Irises in this class require full sun and prefer neutral to slightly acidic soil. Sometimes referred to as German iris, most bearded cultivars are derived from species that originated in central or southern Europe. The main distinction here is that bearded irises also have a thick, fuzzy strip resembling a caterpillar that runs down the center of each falls petal.īearded irises have thick, broad, swordlike foliage and substantial, rhizomatous roots that grow near the surface. Like all iris species, blooms in the bearded category have three ‘standard’ petals that grow upright and three ‘falls’ petals that droop downward. Bearded Bearded irises have large flowers that have an indistinct caterpillar-like band on the petals. You’ll give your iris game a competitive edge and up the odds of successfully growing this lovely garden gem. Irises are assigned to a particular group based on similarities in profile, heredity, and cultural requirements.įamiliarize yourself with the classification system before committing to a particular variety of iris and get to know a little bit about each one’s unique characteristics. The American Iris Society divides the iris genus into three main groups – bearded, beardless, and aril – and there are several subgroups within these three categories. They multiply easily if planted properly and require division every few years to prevent crowding. ![]() Iris will thrive in a location with full sun and well-drained soil. As irises are hardy and relatively easy to grow, paying close attention to their heat preferences is often the key to successfully growing this lovely flower. Most grow from rhizomes, but some have bulbous roots.Īlthough most species grow best in temperate climates (zones 3-8), there are a few that give preference to warmer, more arid regions (zones 8-10). Some have additional flower parts that give them a bearded or crested designation. Typically sorted into bearded and non-bearded categories, most irises have 3 upright petals called standards and three down-drooping petals called falls. They have a light, sweet scent that’s similar to the violet’s, and darker hued flowers often emit a stronger fragrance than those with paler petals. Some irises bloom in colors so dark that the flowers appear black. ![]() These perennials bloom in a multitude of colors with shades of yellow, purple, and white being the most common. Iris varieties range in height from 6 inches to 4 feet. About Irises Irises have beautiful blooms and come in several different classifications.
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