Can I dig up and store Rhizome over the summer months? wikiHow marks an article as reader-approved once it receives enough positive feedback. Division and transplanting allows the clump to rejuvenate and also provides a way to multiply your iris. % of people told us that this article helped them. wikiHow is where trusted research and expert knowledge come together. Can I divide my bearded iris the first week of October in Maine? Should I wait until they flower again and then divide? Thank you for the explanations. ", "Clear, easily understood instructions! I would wait until at least August, although you should check with a local master gardener or your county extension agent, since winter comes on earlier there than it does where I live in the South. By using our site, you agree to our. Pamela McGeorge and Alison Nicoll, Irises, p. 23, (2001), ISBN 1-86953-470-0, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/ee\/Divide-Bearded-Irises-Step-1.jpg\/v4-460px-Divide-Bearded-Irises-Step-1.jpg","bigUrl":"\/images\/thumb\/e\/ee\/Divide-Bearded-Irises-Step-1.jpg\/aid447589-v4-728px-Divide-Bearded-Irises-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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\n<\/p><\/div>"}, Better Homes and Gardens, A grower's guide to bulbs, p. 71, (1997), ISBN 0-86411-544-X, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/8d\/Divide-Bearded-Irises-Step-2.jpg\/v4-460px-Divide-Bearded-Irises-Step-2.jpg","bigUrl":"\/images\/thumb\/8\/8d\/Divide-Bearded-Irises-Step-2.jpg\/aid447589-v4-728px-Divide-Bearded-Irises-Step-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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\n<\/p><\/div>"}, Pamela McGeorge and Alison Nicoll, Irises, p. 41, (2001), ISBN 1-86953-470-0, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e4\/Divide-Bearded-Irises-Step-3.jpg\/v4-460px-Divide-Bearded-Irises-Step-3.jpg","bigUrl":"\/images\/thumb\/e\/e4\/Divide-Bearded-Irises-Step-3.jpg\/aid447589-v4-728px-Divide-Bearded-Irises-Step-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/36\/Divide-Bearded-Irises-Step-5.jpg\/v4-460px-Divide-Bearded-Irises-Step-5.jpg","bigUrl":"\/images\/thumb\/3\/36\/Divide-Bearded-Irises-Step-5.jpg\/aid447589-v4-728px-Divide-Bearded-Irises-Step-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/18\/Divide-Bearded-Irises-Step-7.jpg\/v4-460px-Divide-Bearded-Irises-Step-7.jpg","bigUrl":"\/images\/thumb\/1\/18\/Divide-Bearded-Irises-Step-7.jpg\/aid447589-v4-728px-Divide-Bearded-Irises-Step-7.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"