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