![]() This plant grows from very tough, fibrous rhizomes that should be lifted and divided when the center of the crown becomes woody and nonproductive. ![]() Unlike bearded iris, whose foliage becomes ratty and ugly after the plants finish blooming, Siberian iris maintains its elegant waving foliage through the season, resembling an ornamental grass. They bloom slightly later than the bearded iris, providing a color bridge to summer perennials. Gardeners new to irises will love easy Siberian irises. The Siberian iris is a subgroup in the American Iris Society's beardless division, which lack the fuzzy, downturned "beards." These are hybrids, derived mostly from two blue-flowered Asian species, I. Native Area: Southern Europe and the Mediterranean naturalized in many other locations.With good drainage and occasional dividing to prevent over-crowding, your irises can thrive for years. Plant the rhizomes so that you can see them above the soil because they thrive with good air circulation and sunshine. When you've chosen one of the more than 60,000 cultivars available, plant it in late summer or early fall in full sun. You can grow bearded irises exclusively and still achieve a garden with any color scheme you desire, and, if you add some reblooming irises, you'll enjoy a color show all season. The American Iris Society groups bearded iris into several subdivisions, including the tall bearded (higher than 27.5 inches) and intermediate bearded (16–27 inches). Virtually all bearded irises sold are cultivars of Iris germanica the pure species is rarely grown. The bearded iris, the iconic plant familiar to nearly everyone, is named not for its downward-facing petals but for the fuzzy beard that looks like it's sticking out its tongue. The Spruce Home Improvement Review Board.
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