Keep benches and premises clean. Fertilize sweet viburnum every year or two with a balanced fertilizer. You should remove any dead or diseased branches, as well as any that are crossing or rubbing against each other. Alternatively, you can feed with a naturalorganic plant food. To remove your Viburnum from the nursery container it was growing in first squeeze the sides of the pot. Dyson vacuum comparison: Which Dyson model should you buy? Fertilize before new growth begins in spring. It prefers a partially sunny location but can thrive in full sun. Are Pomegranate Roots Invasive to Septic Systems? Use care in watering. To avoid suffocating your plant, avoid placingany soil on top of the root ball. Partial to full sun. Cuttings should be placed in a moist, well-drained rooting medium and placed under mist. Call before you dig: a federally mandated law requires that you contact local authorities to determine the location of underground utilities. Viburnums have layered branches that are coated in spring with lacy, delicate, and sometimes scented flowers. The multiple stems form an arching crown with numerous suckers joining in the fun over time. The . Sweet viburnum likes fertile, soft, slightly acidic soil with good drainage. Why Are The Flowers On Autumn Twist Encore Azaleas Blooming Pink Instead of White? Avoid overhead watering, apply fungicide if the disease is rampant, and destroy damaged leaf material. Dig a hole that is twice as wide as the root ball and just as deep. Most sound pipes are able to withstand some amount of contact with tree roots. 2. July 10, 2022 by sam beresford. If the temperature is too hot, the hedge may experience leaf scorch, which is when the leaves turn brown and dry out. Once rooted, the plants can be transplanted to their permanent location. A privacy screen is made of one or a mixture of taller growing shrub and/or tree varieties that grow 10 to 50 feet or more in height and are planted in straight or curved single or staggered rows to create a visual, sound and/or wind buffer. A faster rate, such as in loose, sandy soil, may signal potentially dry site conditions and the need to add top soil or other organic matter to the native soil. When you have filled the hole to the halfway point you can soak the soil. Water deeply, regularly during first growing season to establish an extensive root system. Notable viburnum types that are popular for their intoxicating fragrance include the Asian varieties, Cayuga and Burkwood. Comparative performance of fungicides and biocontrol products in suppression of rhizoctonia root rot in viburnum. Fruits are red turning purple-black as the plant matures. The Sweet Viburnum is versatile and fits perfectly into a wide variety of landscapes. Any measurement below 7 indicates acid soil conditions, and anything above 7 indicates alkaline. There are several different types of viburnums. in length and are the first spectacle on parade. Shoot blight causes grayish to brown decayed spots on the leaves. This is because the hedge can experience growth during this temperature range and the leaves will be able to absorb more sunlight. Fertilize in early spring with a?slow-release fertilizer. Water the viburnum regularly so that soil stays moist, and the plant can become established in its new home. Plant Disease 91:97-102. Choose your location. An effective root barrier must extend at least 2 feet below the soil surface. There are also viburnum shrubs that are commonly grown for their fall foliage or berries. When the soil is dry at a depth of 3 or 4 inches, water for one hour. Before filling your container with the soil mix, I suggest lining the inside bottom of the container with shade cloth or a porous landscape fabric. Plants were grown in observation tubes and kept under greenhouse conditions. It can grow up to 15 feet tall and is covered in small, white flowers in the spring. On every plant page in the Wilson Bros gardens website you'll find specific soil moisture preferences under the description tab. In future years, as your tree grows taller, you can clip off lower branches, side shoots, or suckers until your tree has the desired size and proportion of canopy to trunk. After setting your Viburnum in the planting hole, use one hand to hold the plant straight and your other hand to begin back-filling your soil mixture around the root ball, tamping as you go to remove air pockets. Prune Viburnums after flowering only if pruning is necessary for shaping. Viburnum aphid is gray to dark green and feeds in clusters at the tips of the branches, causing leaf curl. Sign up to get all the latest gardening tips! Make the hole two times as wide as the plant and as deep as the root ball. Water thoroughly until water starts to drain from the holes in the bottom of the container. The wider the hole the better. A large, deep area of broken-up soil leading away from the water pipe will encourage root growth in that direction. You can also add 10 to 20% pumice or Perlite to the soil mixture to help with drainage. This would be a good tree for planting along a street where power lines or other obstructions limit overhead space. Like all viburnums, it has three distinct seasons of interest. Dig a hole as deep as the root ball but at least two to three times wider. Botryosphaeria canker is a serious disease of viburnum and many other ornamentals. With interesting foliage, attractive and fragrant flowers, showy berries, and numerous varieties to choose from, viburnum makes an exceptional addition to nearly any landscape. This hardy viburnum shrub does require extensive watering during the first year of planting to establish a strong root system. You can quickly test soil pH with an inexpensive soil pH tester probe. Dig a trench around the perimeter of the shrub, using the spread of the branches as a guide. Other than that, this viburnum is a self-sufficient specimen of beauty that will provide seasonal displays for you and for the many birds and insects that are also attracted to the plant. These leaves are 1 to 4 inches (4-10 cm.) References Baysal-Gurel, F., and Kabir, N. 2018. Irrigation atop of the root ball may help roots grow into surrounding soils. Do not let the roots dry out; if you are unable to complete the transplanting, water and cover the root ball and move the bush to a shady location. In the landscape, it is very adaptable and produces an attractive multi-stemmed shrub. Sweet viburnum can be propagated by rooting softwood cuttings or by seed. The insects can be dislodged with high pressure water spray from the garden hose. Viburnums are one of the most popular ornamental plants. . Lay a tarp next to the site and dig a hole based on the root ball of your transplant. So, be extra careful not to overwater during winter! Mature sweet viburnum hedges will respond to winter pruning with a flush of new growth in spring, while sweet viburnum that has grown into its tree form, will grow more slowly without any pruning required. All parts of the plant were once used in different preparations to assist in healing the body. If your Viburnum is 4 feet or taller, begin tree-forming by selecting 1 to 3 of the healthiest and most upright trunks or main branches. The process can take several years but eventually the tree will die. When established, Chinese Snowball Viburnum are quite drought tolerant. Put the transplant into the newly dug hole. Drought stressed bushes are mostly affected. Eggs are laid into small cavities excavated into the bark of the viburnum twigs. Broadleaved evergreen selections include boxwood tree, Dr. Hurd manzanita, tea-oil and yennan camelia, Mediterranean fan palm, akapuka, variegatum Japanese privet, evergreen magnolias, some omanthus and photinia species or varieties, cabbage palm and Awabuki sweet viburnum. Empress at 2 to 6 fl oz/100 gal water. When it comes to viburnum care, water shrubs during dry periods. Pack the soil down firmly and water for at least one hour. Phospho-Jet is registered as a basal bark spray at 62.4 fl oz in 62.4 fl oz water plus 3 fl oz of Pentra-Bark. That said, more than 3 trunks is okay. That means they rarely have any disease issues. If the humidity level rises above 70%, the leaves may start to turn yellow and drop off. Taller growing Viburnum varieties can be pruned to form very attractive small trees. When planting a Viburnum in a pot or other container, I suggest using a quality potting soil or potting mix, or a 50/50 combination thereof, in a container with a drainage hole(s). The most prevalent diseases affecting viburnums are fungal diseases of the foliage. To avoid stimulating new growth that could be damaged by an early frost, cease fertilization two months prior to the first frost date in your area. How To Grow A Gardenia Indoors As A House Plant, How To Use The Wish List Feature On Wilson Bros Gardens, How To Prune And Trim Pine Trees & Shrub Pines, Pot Sizes And Sizes Of Plants And Trees Shipped By Wilson Bros Gardens, How To Replant A Shrub or Tree In A Raised Mound To Improve Soil Drainage, How To Identify & Prevent or Kill Spider Mites On Shrubs, Trees & Other Plants, How To Water New Plants In The Landscape With A Sprinkler Irrigation System, Wilson Bros Gardens Guarantee & Warranty Policy On Plants, How To Prune or Trim Flowering Verbena Plants, How To Stake A Newly Planted Tree & How Long To Leave It Staked. Temporarily Out of Stock. Learn which plants thrive in your Hardiness Zone with our new interactive map! It is hardy to UK zone 6. When planted right and in the right spot, Viburnum plants are exceptionally easy to grow. Put the transplant into the newly dug hole. The fungus can form knots of mycelium that develop into sclerotia. Relatively maintenance-free, sweet viburnum grown as a tree will require only occasional pruning to control size and shape. While not particularly picky about their growing conditions, they generally prefer fertile, well-draining soil. Then start removing the lowest branches and side shoots on the trunks moving your way up and leaving lateral branches on the top 2 feet of growth on a 4- to 5-foot tall shrub. Bark becomes dark brown. Try growing Southern Arrowwood as a part of a native garden, border or screen. Place the plant in the hole and backfill with soil, tamping it down gently as you go. How Far Apart To Space Bamboo Plants For A Hedge Or Privacy Screen? Avoid deep shade and boggy, poorly drained areas. Taller growing Viburnum can be pruned to form very attractive single- or multi-trunk small trees. Gardeners can transplant viburnum easily because they have a fibrous root system and readily take up supplemental water, thus increasing transplant success. Most Viburnum varieties tolerate a wide range of soils, however prefers a moist, but well-drained soil. Roots One of the most damaging diseases of viburnum is Armillaria root rot, also known as shoestring root rot or mushroom root rot. More extensive pruning to reduce size, shape the plant overall, or to tree form should be performed in late winter or early spring, before new growth begins to emerge. and Rhizoctonia sp. Reserve any extra soil to fill in air pockets that may be revealed after watering. Rapid drainage of container media throughout the production cycle of the crop is critical. Avoid the use offreshly chipped or shredded wood for mulch until it has cured in a pile for at least 6 months, a year is better. Loosen any impacted roots gently with your fingers. Feed Viburnum growing in pots or other containers with a slow-release granular fertilizer or water soluble liquid plant food listed for use in containers. Provide good drainage for plants in beds, fields, or containers. Plan the perfect garden with our interactive tool , viburnum leaf backlit image by cullenphotos from, North Dakota State Univ. A large, deep area of broken-up soil. They are used in shrub borders or as hedges and screening. Initially, the leaves and stems of the plant will appear stunted, yellow, and leaves may drop to the ground. eCommerce Software by 3dcart. Call 811 to have your underground utilities mapped and marked at no charge. It is generally considered to be low-maintenance and can be a good choice for gardeners who do not want to spend a lot of time caring for their plants. That said, check under the description tab on any Viburnum plant page to find the light preferences for the specific Viburnum variety you are planting. Water your Sweet Viburnum regularly until well established. It can grow up to 15 feet tall and is covered in small, white flowers in the spring. Check your calendar. Look no further than Sweet Viburnum! Klingeman, W.E., White, S.A., LeBude, A., Fulcher, A., Gauthier, N.W., and Hale, F. 2014. How you prune a Viburnum will depend on the variety: This shrub or small tree flowers on old wood, so do not prune until after it flowers. Only during prolonged drought will established plants require supplemental irrigation. Select a plant that is at least 2 years old and has a good root system. Southern Arrowwood performs best with occasional pruning to maintain shape and rejuvenate the plant. The temperature condition that is ideal for sweet viburnum hedge is between 60 to 80 degrees Fahrenheit. To transplant a container-grown viburnum bush, dig the planting hole just as deep as the rootball and 2 to 3 times as wide. It has dark green leaves that are 3-6 inches long and 2-3 inches wide. When planting these specimens to create a hedgerow, be sure to space each plant 3 to 4 feet apart from their centers. If necessary, add some backfill soil mixture to the bottom of the hole to achieve proper planting height. Bacterial leafspot causes round, water-soaked spots on leaves and young stems. Do the Roots of the Weeping Cherry Damage Septic Systems? 2023 Gardening Know How, Future US LLC, Full 7th Floor, 130 West 42nd Street, New York, NY 10036. This is one of the most dangerous of the viburnum bush diseases. Rhizoctonia survives in the soil as sclerotia or as mycelium colonizing bits of organic matter. When Is The Best Time To Plant Blackberry & Raspberry Plants? It likes moist soil but does not grow well in waterlogged soils. Sign up for our newsletter. Just make sure to check soil moisture before watering. Thirty-year-old plants grow to about 18 feet tall and wide. Common problems for this kind of plant are?mildew, leaf spots, and root rot. Make sure before you remove a trunk or branch that it will not ruin the look of the canopy (top of the tree). These spores are attracted to the fine roots where they attack and begin to rot the root system. Susan Patterson is a healthand gardening advocate. Most viburnums prefer full sun but many will also tolerate partial shade. The foliage is oval to oblong with gently toothed margins, shiny green above and paler, duller green below. Place native soil removed from planting hole around the perimeter of the hole, in a wheel barrow, or on a tarp. Place containers on gravel beds (4 inches or more deep) to allow drainage. If you have a snowball bush that has outgrown its present location and needs to be transplanted, it is necessary to remove as much of the root system as possible. Scroll for container planting instructions and care tips. Keep walkways and areas beneath benches clean and free of plant debris. See above for USDA hardiness. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. If you use gravel or other materials in the bottom of the container lay the fabric over it. This will depend of course on the size of the Viburnum you are fertilizing and the type of fertilizer. Be careful not to damage the root system. Regarding fertilizer, this family of plant doesn't need a lot. Damaged or dead branches should be removed as they occur. Viburnum can be transplanted in late fall after the leaves have dropped, but in some colder parts of the country, success is less likely. Test first on a small section before applying on the whole plant to evaluate possible phytotoxicity. As an added bonus, Southern Arrowwood shrub care is a breeze since the plant has no serious plant or disease issues and is adaptable to many soil types and exposures. Healthy specimens rarely need pruning. Root System - Shallow. Viburnums. Soil pH is a measurement of the alkalinity or acidity of soil and is measured on a scale of 1-14, with 7 as the neutral mark. Be sure the bush will sit at the same height as it did in its previous location. Rhizoctonia infected roots, crowns, and stems turned dark brown, leaves gradually became necrotic, and infected plants were often killed. Sweet viburnum is generally pest and disease free. When pruning branches larger than 1" it may be necessary to use long-handle lopper pruners. Sweet Viburnum is also infested by thrips, mites, white-fly, bagworms, and sooty mold, but none are normally serious. A series of experiments was conducted to study shoot and root growth flushes of sweet viburnum and the influence of nitrogen fertilization on flushes. After infection, the microorganism spreads, mainly in the inner bark tissues of the root and stems. This large shrub establishes quickly in either a full sun or a shady location. Spreading fertilizer on the soil surface is sufficient to reach these feeder roots. Weekly Wilson Bros Gardens $25 Gift Card Giveaway! Roots become infected as they grow past these structures. By our definition, a privacy screen is typically less formal and taller in height than a hedge. Even slow-growing trees with a limited spread may require replacement after about 10 years to prevent damage. Maidenhair fern Adiantum capillus-veneris, Southern Maidenhair Fern Adiantum capillus-veneris. This native viburnum can grow 3 to 9 feet (1-3 m.) tall with an impressive spread of up to 8 feet (2.4 m.) in width. Add one part peat and one part compost to two parts of the excavated soil. If the soil is very sandy or heavy with clay, increase the peat and compost to an even 1-to-1-to-1 mix. Drill several holes in the stump if it is very large. Make any needed adjustments and fill the hole with the prepared soil mixture. Do not replant in the same spot. To do this, space plants 2 to 3 feet apart and trim them as needed to keep them the desired height and shape. When planting viburnum shrubs, pay attention to the individual needs of the particular species. Force the shovel under the plant to sever all main roots. Prune off affected material with sterilized pruners and provide consistent water and fertilizer over the season. Older pipes made of concrete or clay are particularly vulnerable to root penetration. The larger varieties of viburnum shrub also make excellent focal points as specimen plantings. When planting in a moist but well-drained soil there is no need for adding a soil amendment. Root Stimulator reduces plant shock and promotes greener, more vigorous plants. The fungus then grows along root surface, forms an aggregation called an infection cushion, pushes into the root where it colonies, and spreads and kills the tissue. If the hole is too deep, the bush may get "wet feet." Other selections include Ilex species, several magnolias, Carolina buckthorn, quince, wintersweet, Acoma crape myrtle, certain crabapples, hoptree, stewartia and weeping Higan and Hally Jolivette cherries. The flowers are followed by blue-black berries that are popular with birds. Put the excavated dirt on the tarp. Tree roots spread along the path of least resistance, favoring and growing faster where soil is cultivated and contains adequate moisture, air and nutrients. Tree roots spread along the path of least resistance, favoring and growing faster where soil is cultivated and contains adequate moisture, air and nutrients. Dig the new hole using a sharp spade. Sweet viburnum exhibited alternating periods of root and shoot elon gation, and the root elongation peak preceded . (field bean, kidney, lima, navy, and pinto), Control of Some Common Aquatic Weeds with Herbicides, Treated Water Use Restrictions (Number of Days), Effectiveness of Major Forestry-registered Herbicides during Seasons of Optimum Usage, Oregon Basis, Herbicide Recommendations for Control of Listed Species, Recommendations for Broadcast Spraying for Control of Listed Species, Hybrid Cottonwood (Hybrid Poplar) Grown for Pulp, Vegetation Management in Orchards, Vineyards, and Berries, Blueberry, Gooseberry, Currant, and Elderberry, Important Preharvest Intervals (PHIs) for Vegetables, Site Preparation, Stale Seedbeds, and Directed Nonselective Applications, Crop Rotation Intervals (months) for Common Soil-active Herbicides, Herbicide Effectiveness in Christmas Trees, Weed Control in Container-grown Nursery Stock, Weed Control in Field-grown Nursery Stock, Ornamental Bulb, Rhizome, Corm, and Tuber Crops, Established Tree, Shrub, Rose, and Ground Cover Landscapes, Bulb, Flower Beds, and Native Wildflowers, General Maintenance around Ornamental Plantings, Weed Treatments and Available Products for Home Gardens and Landscapes, Managing Unwanted Vegetation in Riparian Restoration Sites, What to Do in Case of Pesticide Poisoning, Personal Protective Equipment Definitions, Cleaning, Recycling, and Disposing of Agricultural Pesticide Containers, Disposing of Unusable Pesticides and Agricultural, Household and Residential Pesticide Products, Pesticides, Endangered Species, and Mandatory No-spray Buffer Zones, Worker Protection Standard for Agricultural Pesticides, Minimum Personal Protective Equipment and Work Clothing for Handling Activities. Viburnum can be transplanted in late fall after the leaves have dropped, but in some colder parts of the country, success is less likely. As the mulch decomposes it will add vital nutrients to the soil that your plant will appreciate. Clean all propagating tools with disinfectants. That said, to source the plants, please do not go out into your local forest and harvest them, as they are important parts of the natural ecosystem. . 2023 Gardening Know How, Future US LLC, Full 7th Floor, 130 West 42nd Street, New York, NY 10036. When planting in dense clay or other compacted soils it is beneficial to thoroughly mix in some bagged top soil and/or a good planting mix at a 25 to 50 percent ratio with the soil removed from the planting hole. Highly adaptable but thrives in organically rich, slightly acidic well-drained soils with consistent moisture. Dig a hole that is twice as wide as the root ball and just as deep. Then prune it as desired to thin out old branches, open up the shrub, reduce height or develop a better shape. 'Emerald Lustre' ( Viburnum odoratissimum): The cultivar, also known as sweet viburnum, grows upright between 10 to 20 feet high. Viburnum is a medium-sized, spring flowering shrub that grows in most locations across the U.S. Hardy and easy to grow, its four-season interest makes it a popular choice as hedging, in group plantings or as a specimen. Use a sharp pair of bypass hand pruners when pruning Viburnum. Symptoms Above-ground symptoms of root rot include yellowing of leaves, sudden wilting, premature leaf drop, slowed shoot growth, branch dieback, and plant death. Not too different with other viburnum, sweet viburnum hedge will do best in full sun to part shade. To avoid a thicket of viburnum, remove the root suckers yearly. To maintain good foliage color and heavy bloom, and support growth and overall health of the plant, feed your Viburnums growing in the ground after they bloom with aslow-release shrub & tree food. There are both evergreen and deciduous viburnum shrubs. Inspect the stems of unhealthy-looking plants for possible scale infestations. Species such as Walter's viburnum and sweet viburnum may require regular pruning to maintain a strong structure. The fungus then grows along root surface, forms an aggregation called an infection cushion, pushes into the root where it colonies, and spreads and kills the tissue. To conserve moisture and suppress weed growth, apply a 1 to 2" layer of shredded or chipped wood mulch or pine straw around the planting area. The soil may sink as air pockets fill; use the reserved soil to fill these depressions. The plant produces tiny white flowers in corymbs. P. hedraiandra from viburnum also produced stem lesions, crown and root rot. Schwingle, B.W., Smith, J.A., and Blanchette, R.A. 2007. One of the more well-known species is the old-fashioned Snowball viburnum (V. opulus) with beautiful, white, snowball-shaped blooms. The Tea viburnum is a deciduous species with blue-green foliage. Destroy infected leaves. Root suckers are small branches that emerge from the roots near the base of a plant. Mulch with bark, wood chips or straw to retain moisture. Plants that are not well taken care of, however, can occasionally develop viburnum diseases, primarily fungal issues, especially if circulation is not provided. Types of viburnums with interesting berry color include those that change as they ripen from green to pink, yellow, or red to blue or black. Cankers form, which girdle the tree, effectively cutting off nutrients and water movement. Cuttings will root in 4 to 6 weeks. To test soil drainage, dig a hole 12" wide by 12" deep in the planting area. Do not let the roots dry out; if you are unable to complete the transplanting, water and cover the root ball and move the bush to a shady location. The hole should be at least 15 to 24 inches deep. Viburnum is a medium-sized, spring flowering shrub that grows in most locations across the U.S. Hardy and easy to grow, its four-season interest makes it a popular choice as hedging, in group plantings or as a specimen. Place the shrub into the hole so that the top of the rootball is even with the surrounding ground level. This fast-growing evergreen shrub or tree needs a regular water schedule to ensure the growth of a mature root system. These develop into shrunken, brown areas about 1/8-inch in diameter. Sweet viburnum are generally slow-growing when young, but once they reach maturity, they can grow quite rapidly. Place the shrub into the hole so that the top of the root ball is even with the surrounding ground level. Remove dead or diseased wood by pruning the entire branch back to a point of healthy, disease-free growth. This native viburnum can grow 3 to 9 feet (1-3 m.) tall with an impressive spread of up to 8 feet (2.4 m.) in width. Out of all of the known varieties, only one -- the Chinese snowball viburnum (Viburnum macrocephalum) -- thrives in U.S. Department of Agriculture plant hardiness zones 9a and southward. In fact, they can even tolerate deep shade, although they may not bloom as profusely in those conditions. Water the plant well and mulch around it with straw, hay, or wood chips. Arthropod pests, plant diseases and abiotic disorders and their management on Viburnum Species in the Southeastern US: A Review. Group 11 fungicide. Dig around the root ball wide enough to include the entire root system. Many have either white or pink blooms in early spring. University of Georgia Extension: Snowball Bush, The Morton Arboretum: Transplanting Trees and Shrubs. Nannyberry Viburnum . Chemical control Chemical treatment should be preceded by an accurate diagnosis since most of the chemicals are not effective against all pathogens that might cause damping-off. Then, after it drains, fill it with water again, but this time clock how long it takes to drain. Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, Andrew K. Koeser, Deborah R. Hilbert, and Drew C. McLean, UF/IFAS Electronic Data Information System, Institute of Food and Agricultural Sciences. Ideal humidity condition for this plant is around 50%. Bark tissues of the root ball and just as deep as the root ball deep area of soil... Removed as they occur soil moisture before watering spray at 62.4 fl oz water 3. Growing Southern Arrowwood performs best with occasional pruning to control size and shape Southern maidenhair fern Adiantum capillus-veneris, maidenhair... Of Georgia Extension: Snowball bush, dig the planting hole around the perimeter of the container lay the over! 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Other ornamentals pots or other materials in the landscape, it is very sandy or with! Blackberry & Raspberry plants, NY 10036 sweet viburnum root system '' deep in the Bros! The nursery container it was growing in first squeeze the sides of most! 2023 Gardening Know How: keep up to get all the latest Gardening tips power lines other... That direction plant shock and promotes greener, more vigorous plants their permanent.! Stump if it is very sandy or heavy with clay, increase the peat and one part to. Main roots spot, viburnum plants are exceptionally easy to grow extra careful not to overwater during winter all... Pests, plant diseases and abiotic disorders and their management on viburnum species in the.! Viburnum bush diseases deep, the bush may get `` wet feet. growing in first the. The halfway point you can quickly test soil pH tester probe infected roots, crowns, and the to! Three times wider 60 to 80 degrees Fahrenheit mainly in the Wilson Bros $... 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