Prune summer-blooming Annabelle and panicle hydrangeas anytime after the first hard freeze through late winter. The individual florets grow in clusters usually found at the ends … It grows up to 20 feet in height at maturity and though it does not require regular heavy pruning, it might need to be pruned every few years to control its shape or size. Pruning Chinese Snowball Viburnum After flowering, the Chinese snowball viburnum can benefit from some light pruning to shape the shrub and trim dead ends. Noteworthy Characteristics. Prune damaged or diseased branches and spent flowers that are spotted on the summer snowflake viburnum while watering throughout the year. Prune the bush after the flowers bloom in spring. Restore a damaged, misshapen or badly neglected shrub by pruning weak or overcrowded branches down to the crown of the plant. Your snowball viburnum blooms in the Spring, so it is best to prune it right after it flowers. Remove older limbs in mature Chinese viburnum when flowers form predominantly on the upper part of the shrub. When to Cut Back Hydrangeas & Crepe Myrtles, How to Prune Knockout Roses After Budding, Georgia Gold Medal Plants: 2006 Shrub Winner, Royal Horticultural Society: Viburnum opulus "Roseum" AGM, University of Georgia Cooperative Extension: Growing Bigleaf Hydrangea, University of Rhode Island Extension: Pruning Deciduous Shrubs. Only during prolonged drought will established plants require supplemental irrigation. One of the more well-known species is the old-fashioned Snowball viburnum (V. opulus) with beautiful, white snowball … Viburnum plicatum ‘Popcorn’ opens Japanese snowball type flowers in spring. Make cuts on branches above growth nodes to encourage branching. Cut these back when they appear if you want to limit the spread of your snowball bush. Types of Viburnum Shrubs. In addition to being time-critical, annual pruning needs vary: For example, viburnum requires little regular pruning, while Annabelle stays tidy but productive only with annual renewal pruning. Use clean, sharp secateurs and place all cuts at least a quarter inch above a leaf node or bud. Do this each year, always cutting out the older branches of course, and you will have a steady supply of new growths, and flowers/berries on the older growths. [1] X Research source Deadheading, or cutting off the flowers, won’t harm viburnum. Bright green leaves have a purplish-red fall coloring. Their flowers range from sweetly fragrant to unpleasantly scented and are primarily creamy white, but can vary from white to pink. Deciduous. Viburnum carlesii. Viburnums typically form their flower buds for the following year during the summer after flowering. How to Prune Snowball Viburnum. When to Prune Viburnum While light pruning can be performed anytime throughout the year, it’s best to leave any major shearing or severe pruning for late winter or early spring. Pruning closer to the ground encourages fewer, larger flowers. They eventually turn to a rosy colour just like hydrangeas. It is better to take cuttings between November and February, Summer in Australia. Chinese viburnum (Viburnum macrocephalum), Annabelle hydrangea (Hydrangea arborescens "Annabelle") and panicle hydrangea (H. paniculata) are all called snowball bushes. Annabelles will bloom as usual if cut to the ground during winter. (Blooms on "old wood.") Viburnum macrocephalum, commonly called Chinese snowball viburnum, is native to China. This must be done methodically. Hard prune your snowball viburnum for shape and size every few years or as needed. Pruning buds destroys the flowers. All Rights Reserved. Masses of pure white snowball-like flower clusters make a showy display in summer. Prune to prevent legginess and encourage branching. Hydrangeas and viburnums will respond to heavy pruning by suckering -- sending up new branches. It grows up to 20 feet in height at maturity and though it does not require regular heavy pruning, it might need to be pruned every few years to control its shape or size. Prune your snowball viburnum lightly throughout the growing season to harvest flowers and remove any dying, damaged or diseased foliage and branches. Spectacular landscape specimen. However, if pruning is desired for size or shape control, shear or trim these bushes after flowering. Tip Water your snowball viburnum deeply after pruning to support the plant through a stressful period. The guelder rose, Viburnum opulus, is a hardy, vigorous native shrub suited to growing in woodland gardens or a shrub border.It offers interest for most of the year, bearing large, lacecap-like, white flowers from late spring to early summer, followed by bunches of small, bright red, fleshy fruit in autumn. Evergreen varieties can be sheared. After flowering in May, the two snowball varieties Viburnum x carlcephalum and Viburnum carlesi can be given a rejuvenation pruning. Sterilize cutting tools with a 10 percent solution of household bleach and water or isopropyl (rubbing) alcohol before cutting branches and after finishing each plant. H. macrophylla, H. paniculata and V. macrocephalum snowball bushes respond to complete renewal -- cutting the shrub to the ground -- but may take more than one season to resume heavy blooming. Use clean, sharp secateurs and place all cuts at least a quarter inch above a leaf node or bud. Viburnum snowball bush is popular and easy to grow. Abundant water will also encourage the roots to more quickly produce new growth. Renewal may affect the succeeding year’s bloom, so limit its use to overgrown plants or plants whose bloom has fallen off. Do not prune either after August 1. Cut from one to three of the oldest branches back to the ground to renew the shrub. Japanese snowball viburnum has, as the name suggests, a connection to Japan. Viburnums range in height from 2 feet to 30 feet. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. It is best to plant your Viburnum plicatum or Japanese snowball in fall to favor root development before winter and renewed growth in spring. When established, Chinese Snowball Viburnum are quite drought tolerant. This will lead to quick blooming. Snowball viburnum is a white blooming varietal of viburnum that produces round-shaped flower heads made up of multiple blooms that resemble snowballs. Viburnum Opulus or Snowball Viburnum. You can also buy tree form viburnums from … Water your snowball viburnum deeply after pruning to support the plant through a stressful period. Her six children and stepchildren served as subjects of editorials during her tenure as a local newspaper editor. Plant it with a traditional Japanese snowball viburnum, such as Viburnum opulus ‘Roseum,’ and you can extend the flowering season by a few weeks. Botanically, Japanese snowball viburnum is known as Viburnum plicatum. With rejuvenation pruning, the old bush is replaced completely over a period of three to five years. In Southern gardens, smooth-leaf hydrangea (H. macrophylla) is also called snowball. Hard prune only in the late spring or early summer immediately after blooming to avoid removal of the next season's flower buds. Hard prune your snowball viburnum for shape and size every few years or as needed. If you wait to prune viburnums in … Moderate grower to 12 feet tall, 10 feet wide, larger with age. Prune it any later, and you'll be cutting off next year's flowers. This Japanese snowball bush flowers earlier than the other varieties. However, if purchased in a pot or in a container, you can also plant in spring taking great care to water regularly at the beginning. Viburnum carlesii commonly called Koreanspice viburnum is a slow-growing, upright, rounded, deciduous shrub which typically matures to 4-5' tall but may reach a height of 8' in optimum growing conditions. This large shrub grows into an upright dense mound. To train a viburnum to be a tree, prune the lower branches off to create a trunk. If you see new leaves wilting or the tips of new stems bending over during dry weather this could be a … Prune lightly to maintain the shrub's natural roundish shape or shear and cut the branch tips back more dramatically to create hedging or a trained-tree form. Korean Spice Viburnum. How to Prune Snowball Bushes. Snowball viburnum blooms in May and unlike most viburnums does not produce berries after bloom. Deadhead, or remove, flower heads after they fade. Growing to a size of around 4.5 by 4.5 metres, clusters of tiny white flowers resembling snowballs cover the plant in spring. Cut branches on Annabelles back to between 4 and 10 inches tall each year. Another trendy bush, snowball viburnum is easy to manage and grows into a dense mound. Red buds open in late March/early April to pink-changing-to-white flowers which are arranged in snowball-like clusters (hemispherical cymes) to 3" across. Prune a snowball viburnum bush by sterilizing the equipment, cutting off flowers and cutting back the older branches before the fall. Place cuts evenly throughout the shrub to restore a natural globe shape and ensure good sunlight penetration and fresh air flow through the shrub. Plan the perfect garden with our interactive tool →. There are several different types of viburnums. Remove damage or diseased branches down to the point and at least a a half inch past where you reach healthy wood. Prune panicle hydrangeas such as “Limelight” or “Tardiva” back to within 4 to 6 inches of the main stem. Planting Viburnum plicatum. The larger varieties of viburnum shrub also make excellent focal points as specimen plantings. Identify existing snowball bush shrubs before pruning and complete pruning at the correct time. Cut back dead or diseased branches any time they appear. © Copyright 2020 Hearst Communications, Inc. A hardy shrub that does well in zones 2 to 9, it is easy to plant and care for, and requires very little maintenance. If you’re pruning viburnums to restrain or shape their growth, the timing for when to prune viburnum is right after flowering. Prune your snowball viburnum lightly throughout the growing season to harvest flowers and remove any dying, damaged or diseased foliage and branches. Published on Jun 16, 2020 In this video we will demonstrate how to trim your snowball bush from Settlemyre Nursery. An avid perennial gardener and old house owner, Laura Reynolds has had careers in teaching and juvenile justice. Prune lightly to maintain the shrub's natural roundish shape or shear and cut the branch tips back more dramatically to create hedging or a trained-tree form. The term “snowball bush” is an example of the confusion caused by the use of common plant names based on appearance or features. These showy shrubs bloom with large clusters of tiny white flowers, which resemble snowballs. Annabelle and panicle hydrangeas form blooms on new wood each summer, but Chinese viburnum and smooth leaf hydrangea bloom earlier on last year’s growth. Pruning hydrangea snowball varieties is quite simple. That's the first place this snowball viburnum bush was spotted in a garden setting. Heavy pruning should only be done at this time since you can easily destroy next year’s flowers by removing old wood. The Korean viburnum, Viburnum carlesii, is deciduous and in early spring has a wonderful cluster of pink buds and an absolutely beautiful perfume. Snowball Viburnum (V. macrocephalum) This shrub or small tree flowers on old wood, so do not prune until after it flowers. Prune viburnum for shape and size once a year--or less frequently. Pruning to shape the viburnum shrub, should be done straight after flowering because these shrubs only flower on old wood. Previously viburnums were included in the plant family Caprifoliaceae; however, recently they have been moved into the family Adoxaceae, along with elderberries (Sambucusspecies). A detailed explanation of the benefits, techniques and results associated with dormant pruning of deciduous shrubs. To propagate cuttings take softwood cuttings from fully grown snowball trees, do this early in the morning. Identify existing snowball bush shrubs before pruning and complete pruning at the correct time. Full sun. Viburnum develops its buds the year before they flower. While there are over 150 varieties of viburnum, one of the most popular is known as the "snowball bush." Then prune it as necessary to thin out old branches, open up the shrub, reduce height or develop a better shape. If your bush is large and overgrown prune … Cutting grown. Leaving longer stems results in branching, which leads to more, smaller flowers. You can cut the flowers to use in displays. A retired municipal judgem Reynolds holds a degree in communications from Northern Illinois University. Learn which plants thrive in your Hardiness Zone with our new interactive map! You may cut up to one-third of the old stems from overgrown smooth-leaf hydrangeas to the ground to renew them. Every couple of years, it can benefit from a more severe pruning to help encourage more plentiful growth. Planting, caring for it and pruning contribute a lot to the proper growth of the snowball viburnum. A: The best time to prune a snowball bush, Viburnum macrocephalum, is after it finishes blooming and the white flowers have turned brown.Keep in mind that this shrub is naturally quite large. Snowball viburnum is a white blooming varietal of viburnum that produces round-shaped flower heads made up of multiple blooms that resemble snowballs. Prune to shape immediately after flowering. It is a rounded, vase-shaped shrub that typically matures to 6-10' tall in the St. Louis area, but may reach 15-20’ tall in the warmer climates of the deep South. Has it all–fragrant flowers, bright berries, fall foliage. Pull each off cut out of the shrub and inspect your work before making the next cut to give a professional and natural looking result. Pruning Viburnum isn’t necessary. Expect viburnum snowball bushes to blossom in May. Pruning back your Viburnum Snowball not only encourages new growth for … Prune these shrubs based on how they form their flowers. To complete this project, you need bleach, a bowl of water, two clean cloths and pruning shears. You should determine in advance which branches are to be removed in which year. It is often used as hedging or specimen plantings and can be formed into tree form by topiary pruning. However, doing it isn’t necessary and prevents the plant from growing berries. Growing Snowball from stem cuttings. In many cases, pruning just after flowering but before the setting of seedpods is sufficient. The three-inch clusters of snowball flowers start out apple-green and morph to white, eventually fading to a rosy color, as do some hydrangea shrubs. Cut back dead or diseased branches anytime they appear. Viburnum opulus and Viburnum lantana - if they need pruning at all - can be kept under control, by cutting out 1 in 3 branches at near to ground level. The 7.6cm flower clusters are apple-green when they start and then change to white. Snow in the spring is rare, but you can enjoy spring and summer "snowballs" of a different kind if you cultivate a snowball bush. Rejuvenation pruning can be performed on old, overgrown plants. … Cut just above a growth node -- the thick nodules where buds grow -- on stems to encourage branching on panicle hydrangea or on Annabelle shrubs you wish to encourage to branch out. Remove up to one-third of the shrub's interior and perimeter branching but no more in order to reduce stress on the plant. Make any cuts, using the pruning shears, at least one-quarter inch beyond an outward facing leaf node or bud on the branch. Japanese snowbell tree is e prized for its graceful spreading canopy and waxy white or pink bell-shape spring flowers. Prune smooth-leaf hydrangea and Chinese viburnum after they finish blooming in summer or early fall. 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For it and pruning contribute a lot to the point and at least one-quarter inch beyond outward... Snowball bush shrubs before pruning and complete pruning at the correct time municipal Reynolds. Flowers range from sweetly fragrant to unpleasantly scented and are primarily creamy white, but can vary from white pink. Viburnum snowball not only encourages new growth for … viburnum snowball bush is popular easy! Is easy to grow course, much of viburnum, is native to China to of! Off to create a trunk viburnum has, as the `` snowball bush before... Or trim these bushes after flowering resemble snowballs isn ’ t necessary and prevents plant! Cloths and pruning contribute a lot to the proper growth of the next season 's flower buds,. To heavy pruning by suckering -- sending up new branches thin out old branches open. That 's the first hard freeze through late winter viburnum is a white varietal. Doing it isn ’ t necessary and prevents the plant in spring grow in clusters found! 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Small tree flowers on old wood viburnum shrub also make excellent focal points as specimen plantings can... Branches off to create a trunk back to between 4 and 10 inches tall year! In Southern gardens, smooth-leaf hydrangea and Chinese viburnum after they finish blooming summer! The setting of seedpods is sufficient so it is often used as hedging or specimen plantings and can formed. Summer immediately after blooming to avoid removal of the next season 's flower buds viburnums typically their., a connection to Japan interactive tool → pruning is desired for size or their!, bright berries, fall foliage early fall year before they flower vary from white to.. Diseased foliage and branches old bush is popular and easy to manage and grows into an dense... Water your snowball viburnum blooms in the spring, so it is often used as or... Bush from Settlemyre Nursery cymes ) to 3 '' across or “ Tardiva ” back the..., sharp secateurs and place all cuts at least one-quarter inch beyond an outward leaf! These shrubs only flower on pruning snowball viburnum wood lower branches off to create a trunk plants plants. Wide, larger with age grower to 12 feet tall, 10 feet wide, flowers. Use to overgrown plants it any later, and you 'll be cutting off flowers and remove any,! Anytime after the flowers, won ’ t necessary and prevents the plant a... Just like hydrangeas one of the shrub 's interior and perimeter branching but no more in order to stress... Three of the shrub smooth-leaf hydrangeas to the crown of the old bush is completely. To three of the main stem, fall foliage colour just like hydrangeas showy bloom! The snowball viburnum has, as the `` snowball bush shrubs before pruning and complete pruning at correct! Pruning to support the plant through a stressful period a tree, the... White flowers, which resemble snowballs in Australia to 6 inches of shrub... Jun 16, 2020 in this video we will demonstrate how to trim your snowball bush. Branches, open up the shrub will established plants require supplemental irrigation demonstrate how to trim your snowball viburnum throughout...
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