Spirea that’s not pruned or pruned to the ground each spring has a casual, loose habit. Submitted by Labiba on April 16, 2013 - 12:09pm. If you don't mind, how and when to prune Pear Trees. Give it a good trim after it flowers in the spring by cutting back the tips of the stems to the top leaf bud. Spireas that bloom in spring: in this group are for example the Thunberg spirea and Vanhoutte spirea. It is because of this that you do not want to give your spirea too much water during the year. Pruning Spirea: You could cut them back at any time of the season if size or shape is a consideration but the most common method is to prune them back to about 6 inches in spring. Heuchera 'Plum Pudding' (PBR) £14.99 Buy. Bouquet-like clusters of small white flowers smother the branches in late spring. However, because some trees can ooze sap when pruned in the winter, you're better off waiting until the summer to prune maples, birches, dogwoods, walnuts, and elm trees. A household antiseptic cleaner is as effective as bleach or rubbing alcohol in preventing the transfer of plant diseases from tools, but is less corrosive to metal tools. Spirea plants generally only need a little extra water during the summer months. tall. Cut all the stems of the "Goldmound" spirea down to within 3 inches of the ground to ensure fresh, lush growth and many blooms. This pruning will usually be a more drastic trim and you will remove more plant material from the plant … You can also shape the shrub at this time. The goldflame spiraea, (Spiraea x bumalda Goldflame), has multi-season interest, which is enhanced by yearly pruning. Best Time to Prune, Conclusion At the test site located in Southern Ontario in 2014, pruning on August 15 did not result in new growth for the majority of shrubs. Note that if your spirea are "bridal wreath" spirea (S. x vanhouttei) and you do renewal pruning, it will take a number of years before they have the arching, drooping flowering branches. The spirea can thrive under most conditions; however, it does not tolerate soggy soil. Vanhoutte spirea (Spiraea x vanhouttei) is a popular hybrid of two less well-known species, S. cantoniensis x S. trilobata. Garland spirea rarely needs much trimming, but if you want to tidy up the shape, cut it back right after the flowers fade. Spirea Varieties. Hand-held pruning shears make short work of the task. When it comes to summer-flowering cultivars, check out three easy ways to prune them, as well as the best time of year to do it, here . Pruning and trimming: ‘Sem’ Spirea should be pruned annually in spring, right after the shrub has bloomed. The right time to prune the species that bloom in spring is after flowering, ie late spring. You should actually prune your spirea more than once a year, at least twice. On single bushes, pruning is carried out, starting at 3-4 years of age, so that more new shoots are formed for flowering. Types of trimming. Trimming at the wrong time is devastating to the plant and can cause minimal blooms if they are all pruned off. Regular trimming increases reddish-bronze new shoots in spring, light greenish-yellow leaves in summer and bright pink blooms in summer and fall. Washington State University Clark County Extension: "Goldmound" Spirea. Perfect Plants is proud to offer 3 different varieties of spirea This removes the dead blossoms and also may trigger a second blooming and new leaf growth. To improve the shape, prune tops of the plant in desired way. USDA growing zones: 3 to 9; Color varieties: Blue Wipe the blades of your hand pruners with full-strength household antiseptic cleaner. Because it blooms on new growth from spring through fall, abelia can be pruned in winter. Ladybells flower in early summer and can be cut back after blooming diminishes. "Goldmound" grows 2 to 3 feet tall and up to 4 feet wide in full sun in U.S. Department of Agriculture plant hardiness zones 4 through 8 and in areas of higher zones where summers are not extreme. When a summer-flowering spirea is cut, several different cutting methods can be applied to it, depending on the age and purpose of planting the shrub. Reed was editor of the "Grand Ledge Independent" weekly newspaper and a Capitol Hill reporter for the national newsletter "Corporate & Foundation Grants Alert." Dead, diseased, and broken branches should be removed at any time of the year but you should only prune healthy plant growth at the right time. As with other late-spring flowering shrubs, prune "Goldmound" spirea in late winter to early spring before new growth begins. These shrubs will flower in either the spring or mid-summer, depending on the species. Pruning a weigela plant will help it maintain its shape, promotes healthy growth, and improves flowering. Avoid late summer pruning. Thanks for the Pruning table. Spirea shrubs can be a popular feature in landscapes and come in many varieties. Weigela plants are shrubs that have beautiful red and pink flowers and can grow to be up to tall. Patricia Hamilton Reed has written professionally since 1987. Throughout the summer, the plants shape can be maintained by cutting back overgrown spirea shoots or stems as well as any dead or diseased branches. The foliage of serrated, ovate leaves turns vibrant shades of brick-orange in the fall. A general rule of thumb when pruning flowering shrubs is to do so just after they have finished blooming. The ones mentioned above are examples of this shrub that require pruning on or before the month of June ends. Thanks for the Pruning table. If spireas become too overgrown and woody, try a drastic technique called rejuvenation pruning. Remove root suckers as they occur to control the size and spread. Because it's considered invasive in some areas, cut back the spent flowers before seedheads form. In summer, massive clusters of pink flowers grace the tips of the branches. Remove any broken, dead or diseased branches at the base of the affected stems whenever you notice them. Pruning. To get the best results, it helps to prune your shrubs and trees at the right time of year. © Copyright 2020 Hearst Communications, Inc. Shear off the flower buds before they bloom if you don't care for the bright pink blossoms against the yellow leaves. Gold Mound spirea is a deciduous shrub that is prized for its bright golden leaves in spring, which turn a brilliant yellow in autumn. The vibrant yellow leaves are topped in late spring by flat clusters of bright pink blooms that resemble yarrow. 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