![]() ![]() This may mean you trim off single leaves at a time or even whole sections of leaves if they are all looking spent.įinally, Zahid Adnan recommends, 'Every few years, canna lilies benefit from division to rejuvenate the plant and promote healthier growth. When dealing with canna lilies connected by a stem, Drew Swainston says, 'As cannas can flower on the same stem, pick a spent bloom and carefully snip or pinch it off, taking care not to damage any other buds.'ĭon't cut the stem when trimming the canna lilies, instead chop where the dead leaves and the stem connect. However, avoid excessive removal of healthy foliage, as it plays a crucial role in the plant's photosynthesis and overall vigor.' Prune these leaves individually by cutting them back to the base of the plant. Zahid continues, 'Trim foliage: as the growing season progresses, some of the lower leaves on canna lilies may become yellow or damaged. When cutting off the dying or dead flowers, prune the stem to the node where this part of the plant joins the main stem. This practice encourages the plant to direct its energy towards root and foliage growth rather than seed production.' Trim the stalks back to their base using pruning shears or a sharp knife. Zahid Adnan suggests that 'after canna lilies finish blooming, it's advisable to remove the spent flower stalks. By doing so, I encourage new growth and prevent the plant from becoming unruly.' I aim for a clean and tidy appearance, removing any straggling or unsightly stems. As I trim away the old growth, I'm always mindful of maintaining the plant's overall shape and balance. The goal is to remove the spent flower stalks and any dead or damaged foliage. Stephen Sullivan, Editor at PlantNative advises: 'I begin by cutting back the canna stalks, about 4 to 6 inches from the ground. ![]() How to prune canna liliesįirst, you should remove spent flower stalks. He's now bringing his expertise and passion to Homes & Gardens as a member of our team. ![]() Drew qualified as a journalist before studying for a horticulture qualification, after which he worked as a professional gardener for several years, specializing in kitchen gardening. ![]()
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