![]() When pruning at this time, watch for stems of new growth – often in bright shades of copper, lime green, orange, and red – and take care to avoid damaging them. Summer-flowering shrubs bloom on new wood and can be given a hard prune in late winter to early spring to reduce, reshape, and resize. Remember, flowers form on old wood and pruning at this time for this type results in flower loss. Remove any unwanted suckers by cutting stems below the soil line.īridal wreath and related cultivars can also be tidied in late winter to early spring, but only to remove dead or damaged stems. ![]() Use clean, sharp shears or pruners to reduce the overall size by up to one-third.Ĭhoose an overgrown cane and follow it back to the trunk, cutting at the stem collar close to the main trunk.Ĭutting close to the trunk is important, because if the cane is lopped anywhere above the collar, it’ll sprout clusters of new growth just below the cut – which can become tangled and top heavy, and possibly cause damage. Pruning promptly allows time for new branches to grow and set buds for the following season, resulting in full, lush plants with abundant flowers. Many of the newer cultivars have luminous, color-changing leaves that emerge in shades of chartreuse, copper, gold, orange, and scarlet then morph into various hues of green.Īnd most put on a pretty autumn show as well when leaves turn deep shades of burgundy, copper, orange, scarlet, and purple. The foliage is delicate and often lacy, giving at least two, and often three seasons of colorful interest. But they all feature masses of delightful, tiny flowers grouped in clusters, flat-topped corymbs, or panicles. The common garden types vary in size and shape, some with a mounded or rounded form, others with graceful, arching branches. It thins the plant’s mass and reduces the existing canopy, which improves air circulation and allows sunlight to reach the understory, resulting in dense mounds of growth.Īnd many of the popular cultivars in the Spiraea genus also benefit from a second trim after flowering to encourage a light rebloom and pretty new foliage, and to check rambunctious growth. Pruning removes old and dead wood and produces new shoots for vibrant, youthful plants with full foliage, abundant clouds of flowers, and a manageable size. ![]() If you buy from one of our links, we may earn a commission. We link to vendors to help you find relevant products.
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