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