Beautiful and simple to grow, the bearded iris is a great addition to your garden. Find out how to care and divide your bearded irises. The best time to divide and replant is in late summer, and divisions should occur every three to four years. Pull apart the rhizomes with your hands to divide the plant, clean, clip, and then replant. For more detailed step-by-step instructions on how to divide your bearded iris, as well as other great irises to see, read the full article!