WebSep 30, 2024 · Many gardeners treat Dutch irises as annual plants, discarding the old bulbs and planting fresh ones each fall. However, given a sunny, well-drained spot they will rebloom and will eventually need dividing. Leave the foliage over the summer until it dies back naturally in fall, then dig up the Dutch iris bulbs, discard any damaged ones and ... WebReplant the divisions in groups, with 30cm (12in) between larger plants and 15cm (6in) between dwarf plants; Siberian irises. Siberian irises are clump-forming irises with …
How to divide and plant bearded iris Illinois Extension UIUC
WebWe will send you a separate email confirming each shipment. ... In early fall, plant your Dutch Iris (Iris Xiphium) bulbs 3-4" deep and 3-4" apart in light, fertile, well-drained soil. Dutch Iris … WebApr 10, 2024 · Excavate a hole large enough for the root ball and create a small mound for draping the roots. Set the divisions in place with the roots spread over the mound and … hifi norm
How & When To Divide Irises - Blooming Backyard
WebFeb 22, 2024 · Dividing and Transplanting the Irises. Iris plants usually get overcrowded so you will need to divide your iris plant. Overcrowding of the iris plant can subject the rhizome to lose its liveliness and stop generating good blooms. Therefore, one of the important ways of caring for your iris plant is to divide and transplant it. WebJul 22, 2000 · Bulbous irises form a more typical bulb and include Dutch and reticulate iris. These are planted in October with other bulbs. Transplanting. The best time to plant and transplant rhizomatous iris is late July through September. Iris loves the heat and drier weather of summer and the summer dividing will reduce the incidence of bacterial soft rot. WebAug 9, 2024 · A 2- to 3-inch deep hole is just right. Place the rhizome inside, spread the roots out and tamp soil around it. Be sure to only partially cover it. Water well to fully saturate the roots and ground. While hardy bulbs, like cannas and irises, are pretty low maintenance, taking a little time to divide them can help ensure you enjoy a robust bloom ... hifin spotted knight goby