Although you can remove damaged branches or trim a small twig or two on a viburnum at any time without risk to the plant, it's best to avoid any major pruning during late summer or early fall. "This species is native to the Chicago Region according to Swink and Wilhelm's Plants of the Chicago Region, with updates made according to current research." The Arrowwood is a native to the eastern U.S. Shape the growth above this point as a treetop. If you prune in fall, cold winter temperatures can damage new growth, potentially harming the plant and slowing its growth the next season. In many cases, pruning just after flowering but before the setting of seedpods is sufficient. Spread a 3- to 4-inch layer of mulch around the base of the arrowwood viburnum that tapers off toward the trunk. Arrowwood viburnum gets its name from the fact that Native American tribes used the straight branches of this shrub to make arrow shafts. You can also help determine the direction of new shoots by cutting just ahead of a bud or side branch that's facing where you want new growth to appear. Noteworthy Characteristics Viburnum dentatum , commonly called arrowwood viburnum, is an upright, rounded, multi-stemmed, deciduous shrub which typically matures to 6-10' tall with a similar spread, but may reach a … Downy arrowwood is a little known native viburnum that has ornamental characteristics similar to the more commonly planted southern arrowwood. Learn which plants thrive in your Hardiness Zone with our new interactive map! Genus Viburnum can be deciduous or evergreen shrubs with opposite, simple or palmately lobed leaves and clusters of small, often fragrant white or … It has toothed leaves and small, creamy white flowers in May to June that mature to bluish black spherical fruits. Whenever you cut back stems, the plant receives signals for new growth and, in response, sends out tender young shoots at cutting points. 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. In many cases, pruning just after flowering but before the setting of … Next, add a 2-inch layer of mulch such as straw or shredded bark, to help conserve soil moisture and keep down weeds that compete for soil nutrients. Whenever you cut back stems, the plant receives signals for new growth and, in response, sends out tender young shoots at cutting points. It’s a popular choice for hedging but may also be grown as a specimen shrub in a mixed border. Do not eat the berries of the arrowwood because they can upset your stomach. The best trimming method depends partly on your goal. Click here to find out more. It is often used as a hedge or natural screen in landscaping. If you trim a plant in winter or early spring, you'll remove some of these flower buds and lessen flowering for the current season. Viburnum dentatum 'Christom'. It typically has a height and spread of 6-15 ft. Fungal leaf spots typically occur during warm, moist summer months, and initially will occur on older foliage. Prune the upper stems of the arrowwood viburnum with sharp pruning shears or loppers within two weeks after it flowers in the summer because buds for the following year’s flowers will form during the summer. Remove the oldest stems near the base to open the inside of the shrub and promote new growth, air circulation and light penetration. ‘Emerald Lustre’ – This plant is a selection of Viburnum bracteatum, which is closely allied or identical to V. dentatum. Train a young or rejuvenated arrowwood shrub into a small tree shape by selecting a strong, straight branch as a central trunk. Grow in full sun or partial shade, in a moist, well-drained soil. Most viburnums are hardy, frost-resistant plants -- for example, the arrowwood viburnum (Viburnum dentatum) grows in U.S. Department of Agriculture plant hardiness zones 3 through 8 -- where colder parts of its range can experience winter temperatures below 0 degrees Fahrenheit. Of course, much of viburnum pruning depends on the variety grown too. It has white flowers which are borne in June, followed by clusters of blue-black berries and reddish-purple foliage in fall. If you prune after the buds form, you reduce the flowers for the following year. Adding a layer of compost also helps increase the fertility of the soil. This allows you to plan its future growth and maintain it with proper, annual pruning in subsequent years. Its popular name comes from the fact that Native American populations are said to have used its straight stems as arrow shafts. When to Prune Viburnum. May be difficult to find in local nurseries. 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. This rounded shrub grows 6 to 10 feet high or more with a spread just as big. All Rights Reserved. Dozens of different viburnums (Viburnum spp.) Make slanted cuts at the desired length with a pruning shear or knife, wiping your blade with rubbing alcohol between cuts to prevent spreading plant diseases. Noted for its intensely fragrant, pink flowers, Viburnum x bodnantense 'Dawn' is a strong-growing large deciduous shrub which is prized by most gardeners for its spectacular floral display. Most are deciduous shrubs with attractive, often fragrant white flowers in spring, followed by red-to-purple fruits and colorful foliage in the fall. Click here to find out more. Arrowwood viburnums are flowering shrubs, bearing clusters of white flowers in spring. Her work has appeared in health, medical and scientific publications such as Endocrinology and Journal of Cell Biology. We use cookies to personalise content, analyse website performance and for advertising purposes. They reach a height of six to 15 feet, with a similar spread. Two types of arrowwood viburnum sold at garden centers that are known for their glossy leaves are: In autumn, these bushes bear not only attractive, reddish fall foliage, but also bluish berries. When to prune Viburnum pragense after a hard winter is after new growth starts appearing. Is this considered overgrown? The arrowwood’s dense foliage and multiple-stemmed growth pattern make good harbor for bird nests. Plan the perfect garden with our interactive tool →, Fine Gardening: Troubleshooting Viburnums, University of Minnesota Extension: Pruning Flowering Shrubs to Maximize Bloom, Clemson Cooperative Extension: Pruning Shrubs, U.S. Department of Agriculture: Plant Hardiness Zone Map. 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