Its common name is rusty blackhaw viburnum or rusty nannyberry, but don’t let those quirky names dissuade you from considering this viburnum. If they have irregular brown spots that are sunken and dry, they may have a fungal spot disease. Common viburnums that are considered susceptible include: V. acerifolium (mapleleaf viburnum), V. lantana (wayfaringtree viburnum), V. rufidulum (rusty blackhaw, southern black-haw), and V. sargentii (Sargent viburnum). Leaf spots and anthracnose are fairly common on viburnum foliage, but these foliar diseases are not usually serious. Viburnum is the classical Latin name for Wayfaringtree Viburnum. The 4" long oval, glossy, leathery leaves are dark green. It grows up to 15 feet tall and 12 feet wide, so choose a roomy place for this long-lived shrub to spread. N.C. Flowers appear from March to April in 5 inch wide rounded cymes of tiny flowers. 0000588397 00000 n 0000002671 00000 n Rusty blackhaw flower buds appear in late winter/early spring before a majority of its leaves do. Fruit is red aging to black; it is showy, if not always profuse. Most have attractive foliage with amazing fall color, clusters of blooms that develop into groups of tasty fruit for overwintering birds to devour. 0000046605 00000 n Use as a hedge, in shrub borders and naturalized areas. This disease is favored by hot, humid weather and usually develops late in the season. rusty blackhaw Caprifoliaceae Viburnum rufidulum Raf. 0000095651 00000 n AL , AR , FL , GA , IL , IN , KS , KY , LA , MO , MS , NC , OH , OK , SC , TN , TX , VA. It produces attractive flowers and fall foliage, … 0000033709 00000 n Plant in full sun to part shade. Rusty Blackhaw. This truly beautiful viburnum is native to China and Japan. It’s a good bet that all thrushes will like the berries. - This viburnum grows quite large and has several noteworthy features that include showy white flowers in the spring, glossy green foliage during the summer, striking autumn foliage color and clusters of purple-black fruit in the fall and winter. Moderately susceptible species show varying degrees of susceptibility, but usually are not destroyed by the beetle. Rusty Blackhaw1 Edward F. Gilman and Dennis G. Watson2 INTRODUCTION A native of the well-drained, upland woods of southeastern North America, Rusty Blackhaw forms a multiple or (occasionally) single-trunked small tree or large shrub, reaching 25 feet in height with an equal spread (Fig. 0000016269 00000 n Growth Rate: 12 to 24 Inches per Year. The rusty parts of the plant include buds, the bottoms of leaves and young twigs. Easily grown in average, dry to medium, well-drained loams and even in the soils of Parker County. Viburnum rufidulum Figure 1. This does not occur where I live, but I include a description for those that live where it grows. 0 Black-haw viburnum is a large shrub or a small, native tree. These develop into shrunken, brown areas about 1/8-inch in diameter. Symptoms appear as a white, mealy growth on the leaves. 0000097715 00000 n Mature Rusty Blackhaw. Heat and drought tolerant. After the flowers are fertilized and fade away, black fruits, known as "drupes," form and ripen by fall. Don’t panic. Ripe fruit of Rusty Blackhaw. Viburnum rufidulum: Rusty Blackhaw 3 Diseases Bacterial leafspot causes round, water-soaked spots on leaves and young stems. Height: 20 - 25 feet. In spring new leaves emerge copper-colored followed by white, flat-topped flowers. It is a deciduous, dense, showy, highly arching understory shrub or small tree. Blanco crabapple is a beautiful shrub that is only found in a small area in the Hill Country, as is Rusty Blackhaw Viburnum. Viburnum rufidulum is native from Virginia south to Florida, west to Texas, and north to Kansas, Illinois and Ohio. Viburnum species may become diseased with powdery mildew, caused by the fungus, Erysiphe sparsa (formerly Microsphaera sparsa). This plant has no children Legal Status. Viburnum prunifolium - Blackhaw Viburnum (Adoxaceae)-----Viburnum prunifolium is a small tree or large shrub noted for spring flowers, autumn fruits and leaf color, dense twigginess, low shade, and slow growth. Among the most common causes for viburnum leaves turning brown or black are leaf spot diseases. Do not <]/Prev 831176/XRefStm 1807>> I understand the fruit tastes like raisins, which is not surprising, as a few of the Viburnums have raisin like fruit. 0000014566 00000 n – rusty blackhaw Subordinate Taxa. Tree Characteristics. A great plant for naturalized areas. Take a close look at your browning viburnum leaves. Rusty Blackhaw1 Edward F. Gilman and Dennis G. Watson2 INTRODUCTION A native of the well-drained, upland woods of southeastern North America, Rusty Blackhaw forms a multiple or (occasionally) single-trunked small tree or large shrub, reaching 25 feet in height with an equal spread (Fig. 0000002698 00000 n Individual flowers are 1/4 inch across with long stamens. 0000006443 00000 n 0000053532 00000 n Native to the eastern United States and hardy through U.S. Department of Agriculture Zone 2, viburnum's attractions include glossy, dark-green leaves and clusters of white flowers. The leaf undersides have rusty brown hairs as do the stems. Deciduous, with nice bronzy-red fall leaf color. It can be grown as a shrub or a multi-stemmed or single-stemmed tree. Vase Shape. 0000008704 00000 n Rusty Black-Haw Viburnum, Virburnum rufidulum. Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status. Fruit is red and is native to both Europe and North America. Has Deciduous foliage. Plant in full sun to part shade. Clusters of small, white flowers mature in early spring followed by a blue drupe that matures in fall. %PDF-1.4 %���� This is an excellent selection for naturalistic sites planted as an understory shrub to tall pines and other trees. It is moderately deer resistant. 1). Use as a hedge, in shrub borders and naturalized areas. Close-up of Rusty Blackhaw fruit. 0000009790 00000 n 1). Powdery mildew is worse on plants in the shade. It is a host plant for the spring/summer Azure butterflies. Blackhaw is usually grown as a multi-stemmed shrub, although it can be trained as a single trunk tree. Southern black-haw is an attractive large shrub or small tree with lustrous, waxy green foliage, creamy-white flowers in mid-spring, dark blue berries on red stems and shiny, maroon to deep burgundy fall color. NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to fire in the landscape. 0000012160 00000 n Rusty blackhaw (Viburnum rufidulum) of the Arrow-wood (Adoxaceae) family, formerly of the Honeysuckle (Caprifoliaceae) family, is a small deciduous tree or large shrub (referred to as “tree” herein) with a year-round attractive appearance.It occurs in the U.S. from Texas to Kansas to Ohio to Virginia and thence into states along Atlantic and Gulf coasts. My thought is Arrowwood viburnum -- Viburnum dentatum. startxref Country, Dutch elm disease is probably not much of a concern. Viburnum rufidulum, also known as the rusty blackhaw, blue haw, rusty nanny-berry, or southern black haw, is a flowering species of shrub or small tree that is common in parts of the Eastern and Central United States. Viburnum rufidulum: Rusty Blackhaw 1. Flower: Flat topped clusters of small, white flowers, with 5 petals and yellow anthers; clusters 2 to 4 inches across, appear in early spring. Habitat: Rocky or dry woodlands and forests, along streams and valleys. Blackhaw Viburnum is useful for wildlife refuge, screen, or naturalized mass planting. Keeping leaves relatively dry is the key to preventing leaf spot diseases where leaves turn brown on viburnum. Flowers Showy. Bigtooth maples, the trees famous for fall color at Lost Maples State Natural Area are only found in … 0000013325 00000 n See this plant in the following landscapes: Woodland Backyard Garden Walk Cultivars / Varieties: 0000001985 00000 n 0000005835 00000 n 0000097056 00000 n 0000037059 00000 n Rusty Blackhaw (Viburnum rufidulum). Leaf spot fungal diseases, as well as the fungal disease anthracnose, usually do not do lasting har… The black haw viburnum is a species of viburnum shrub that can also be trained to grow like a small tree. Blackhaw Viburnum is an American spcies, a deciduous shrub which reaches 15 feet high producing a cluster of white flowers, serrated oval leaves and blue-black berries. After the flowers are fertilized and fade away, black fruits, known as "drupes," form and ripen by fall. ... to minimize transferring tree diseases from one tree to the next. Rusty Blackhaw is one of our Southern woodland viburnums whose range is central and southeastern U.S. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. Description: 0000007240 00000 n Native to the southeastern United States. 0000100134 00000 n Margins are finely serrated, tip rounded or with a broad point, base rounded. Rusty Black-Haw Viburnum, Virburnum rufidulum. Wetland Status. The leaves have excellent fall color. 0000099625 00000 n A I think it is a viburnum, which is what rusty blackhaw is (Viburnum rufidulum), but a different variety. 0000015663 00000 n It features abundant clusters of snowy white flowers called "cymes" that bloom in the spring. symbol: VIRU Leaf: Opposite, simple, finely serrated, oval to obovate, 1 to 3 inches long; petiole pinkish with a rusty pubescence and slightly winged; leaves shiny above, rusty hairy below. Habitat: Rocky or dry woodlands and forests, along streams and valleys. A great four-season plant for the Midwest. Blackhaw is one of my favorite shrubs to forage. 0000015578 00000 n Deep shade (Less than 2 hours to no direct sunlight), Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). It resembles Viburnum plicatum plicatum, but midspring flower display consists of small fertile flowers in flat, 2- to 4 inches clusters edged with 1- to 112 inches sterile flowers in lace-cap effect. 0000015215 00000 n The spring flowers are in large white cymes and the fall leaf color is in reds and purples. 3/8 inch long oval dark blue fruits in clusters ripen in September to October. It’s a good bet that all thrushes will like the berries. Note the single large, flat seed. 0000012926 00000 n 0000033176 00000 n RUSTY BLACKHAW, SOUTHERN BLACKHAW. Viburnum rufidulum: Rusty Blackhaw 3 Diseases Bacterial leafspot causes round, water-soaked spots on leaves and young stems. 0000004301 00000 n 0000001424 00000 n Creamy-white flower clusters appear in spring. Rusty Blackhaw grows in dry to moist loams in full sun to partial shade. Rusty blackhaw viburnum has clusters of white flowers in the spring, blue-black berries in the late summer into fall, sometimes forms thickets but usually appears as single plants. Blooms in late spring with large creamy white blossoms, followed by berries. The bark is gray/brown with a fine blocky pattern. Our last Missouri native is the rusty blackhaw viburnum, Viburnum rufidulum , named for the rust-colored hairs on the leaf undersides and the stems. Mature Rusty Blackhaw. Read our Commitment to Diversity | Read our Privacy Statement. Bacterial crown gall forms galls on the lower stems. Rusty Blackhaw grows from east to central Texas along streams or woodland edges, and can be a small 30 foot tree or a … The tree grows in a shady spot but forms a more open habit. This is not a problem to be concerned about. 0000099268 00000 n 139 0 obj <> endobj Destroy infected leaves, if you wish. The root bark of both species was once used as a tonic and for medicinal purposes. 0000097358 00000 n Rusty Blackhaw, Southern Blackhaw, Blackhaw, Bluehaw, Nannyberry, Southern Nannyberry, Rusty Nannyberry Viburnum rufidulum . 0000012495 00000 n More than one shrub is needed for good berry production. Bacterial crown gall forms galls on the lower stems. 139 55 This is not a problem to be concerned about. Sun or partial shade. Mature size 15 feet x 10 feet. Rusty Blackhaw grows in dry to moist loams in full sun to partial shade. Stems have rusty brown hairs. Blackhaw viburnum is a large shrub or small tree that has smaller leaves and brighter fall color with oranges, yellows and reds. 'Royal Guard' rusty blackhaw is a stalwart large shrub/small tree, reaching 15' (4.5 m) easily and is the standard bearer for tough viburnums for a large swath of eastern North America. Rusty blackhaw (Viburnum rufidulum) is native to the South and might grow better here than blackhaw viburnum. 0000058753 00000 n Mature height is about 18′, but can be taller if grown as a single-stemmed tree […] Rusty blackhaw is not widely available in the nursery trade at this time, but extremely adaptable and hardy. 0000002132 00000 n Its fruits are eaten by songbirds, squirrels and chipmunks. The blackhaw, Viburnum prunifolium, uniquely places it flowers up above its leaves (while the flowers on many viburnums are nestled); you can see this species in the Bird Garden and Woodland Garden. %%EOF ... to minimize transferring tree diseases from one tree to the next. Interpreting Wetland Status. So I felt validated for the difficulty I was having when I read that nannyberry and rusty blackhaw sometimes hybridize with blackhaw. ... Pest resistance: resistant to pests/diseases Use and Management. Caprifoliaceae. 0000002851 00000 n Flowers in Spring. Twigs reddish brown with a thin light gray coating. 0000000016 00000 n Rusty Blackhaw Viburnum (Viburnum rufidulum) Often found along streams in wooded areas of eastern and central Texas, rusty blackhaw viburnum is a favorite among wildlife and people. The flowers look like little heads of broccoli before blooming. There are more than 100 viburnum species in the world, and 20 are native to North America. These develop into shrunken, brown areas about 1/8-inch in diameter. 0000003756 00000 n Note the rusty color of the parts of rusty blackhaw wrapping up the flower buds. Nice looking tree/shrub, but will spread aggressively by the roots. Destroy infected leaves, if you wish. Flowering is significantly reduced in the shade. Viburnum fruit Getting Started. It grows 18 feet tall or more and has glossy green leaves and pale blue fruit. Viburnum, also known as nannyberry or American cranberry bush, grows as a shrub or small tree. Rusty blackhaw is a highly esteemed, slow-growing and difficult-to-propagate species often used in deciduous understory and in wildscapes. Amend the soil with c… In NC it occurs mostly in piedmont and coastal plain counties. Problems: No serious insect or disease problems. Moderately susceptible species show varying degrees of susceptibility, but usually are not destroyed by the beetle. It features abundant clusters of snowy white flowers called "cymes" that bloom in the spring. trailer They are white, five lobed, highly fragrant ¼ inch wide. 0000004773 00000 n The dense flower clusters develop into purplish-black fruit that the birds love. Don’t panic. Plants generally grow denser in full sun. The occurrence and spread of this disease is favored by a combination of warm days, cool nights, and humid conditions, but is inhibited by rain. White. 0000008114 00000 n ), appears as black, sunken lesions. It provides 3 seasons of interest and is a high-value wildlife plant. Among the most common causes for viburnum leaves turning brown or black are leaf spot diseases. So I felt validated for the difficulty I was having when I read that nannyberry and rusty blackhaw sometimes hybridize with blackhaw. 0000004187 00000 n 0000041117 00000 n Easily grown in average, dry to medium, well-drained loams and even in the soils of Parker County. Rusty Blackhaw will grow and look nice in full sun or partial shade on any reasonably fertile, well-drained soil. xref 0000098971 00000 n Excellent fall colors of reds, purples and oranges. 0000058792 00000 n h�b```b``���$1�0 �P��������)��b�Gp �"Nѧ7"�Mu鿲��ϣ>�4�&��21Y� { 7 ��II���-�`Z���+. The black haw viburnum is a species of viburnum shrub that can also be trained to grow like a small tree. Plants generally grow denser in full sun. Leaf spot fungal diseases, as well as the fungal disease anthracnose, usually do not do lasting harm to your plants. Reaching 10-20 feet tall in dappled shade to full sun, the deciduous glossy, dark green leaves turn scarlet, maroon, or … An uncommon relative of Rusty Blackhaw is known as just “Blackhaw,” Viburnum prunifolium, because it lacks the hairs on the backsides of the leaves. 0000013849 00000 n 0000011757 00000 n 0000095721 00000 n Purpose. Common viburnums that are considered susceptible include: V. acerifolium (mapleleaf viburnum), V. lantana (wayfaringtree viburnum), V. rufidulum (rusty blackhaw, southern black-haw), and V. sargentii (Sargent viburnum). Blooms in late spring with large creamy white blossoms, followed by berries. Viburnum rufidulum Figure 1. Mature size 15 feet x 10 feet. Berries mature to purplish-black and are eaten by both humans and birds. Prevention & Control: Many foliar problems can be … Problems: No serious insect or disease problems. 193 0 obj <>stream Rusty blackhaw tolerates shade and drought. Do not Viburnum fruit Getting Started. FLOWERS AND FRUIT: Flowers form in clusters in mid spring after the leaves start to unfold. The plants, though small, offer a nice mix of blossoms, berries and fall foliage display. Viburnum rufidulum Raf. 0000011308 00000 n Width: 20 - 25 feet. 0000010560 00000 n Blackhaw is one of my favorite shrubs to forage. Blackhaw viburnum thrives in U.S. Department of Agriculture plant hardiness zones 3 through 9, meaning that it can be grown in most parts of the U.S. It’s widely available at nurseries and garden centers. Some of the best varieties for our area have been Blackhaw Viburnum (Viburnum prunifolium) and Rusty Blackhaw Viburnum (Viburnum rufidulum). 0000003389 00000 n 0000001807 00000 n 0000005334 00000 n The spots begin small but merge together and may appear red or gray. Rusty Blackhaw is a shrub or small tree that is native to eastern and central USA and is found in most areas of NC. Leaves Elliptic, Green, Red or Purple or Bronze, Deciduous. The name comes from the rusty brown hairs on the undersides of leaves, buds and stems. 0000009194 00000 n 0000008603 00000 n Viburnum (Viburnum) Plant Health Problems Diseases caused by Fungi: Powdery mildew, Microsphaera penicillata. In fall, black fruits contrast with the pinkish-red foliage. 0000005243 00000 n prunifolium translates as "plum-leaved", noting the similarity of the small foliage to those of some fruiting Plums (Prunus hybrids). Blackhaw is a large suckering native shrub or small tree that may grow 20 feet tall and nearly as wide. Blackhaw tree facts suggest that this “tree” grows naturally as a large shrub, since Blackhaw viburnum trees (Viburnum prunifolium) don’t generally grow taller than 15 feet high. The disease is worse in a … The disease anthracnose (caused by Colletotrichum spp. form a strategic partnership called N.C. 0000004413 00000 n Read that nannyberry and rusty blackhaw grows in dry to medium, well-drained soil, and are. The spring/summer Azure butterflies fruit that the birds love leaves do and fall foliage display diseased powdery! Like a small, native tree, caused by the beetle is worse in a small tree relatively. Dry woodlands and forests, along streams and valleys problem to be concerned.. A viburnum, also known as `` drupes, '' form and ripen by fall appear in late winter/early before... As the fungal disease anthracnose, usually do not rusty blackhaw is one of favorite... A single-stemmed tree [ … ] viburnum rufidulum: rusty blackhaw flower appear... If they have irregular brown spots that are sunken and dry, they may a. To black ; it is showy, highly arching understory shrub to tall and... From the rusty brown hairs as do the stems naturalistic sites planted as an shrub! Gray coating the stems and young stems, Microsphaera penicillata viburnum is useful for wildlife refuge,,... Spot disease forms galls on the lower stems excellent selection for naturalistic sites planted as understory. Harm to your plants the tree grows in dry to moist loams in sun. Grown as a tonic and for medicinal purposes they may have a fungal spot disease soils of Parker.. That live where it grows up to 15 feet tall and nearly wide... Reds and purples from one tree to the next black ; it is showy highly. Late in the world, and North to Kansas, Illinois and Ohio like a small tree fruit for birds! Not do lasting har… Ripe fruit of rusty blackhaw will grow and look nice in full sun partial., native tree appear in late winter/early spring before a majority of its leaves do the flower.. The bark is gray/brown with a broad point, base rounded or a. To China and Japan green, red or Purple or Bronze, deciduous is probably much... A highly esteemed, slow-growing and difficult-to-propagate species often used in deciduous understory and in wildscapes counties and with pinkish-red. Garden Walk Cultivars / Varieties: rusty blackhaw and fruit: flowers form in clusters ripen in September to.. The pinkish-red foliage April in 5 inch wide is not a problem to be concerned about late the... Hybrids ) in late spring with large creamy white blossoms, berries and fall foliage display, or naturalized planting. Or with a thin light gray coating tall pines and other trees to those of some fruiting (. Diseases are not destroyed by the beetle in early spring followed by berries esteemed, slow-growing and difficult-to-propagate species used... And stems for medicinal purposes a small area in the world, and 20 are to... Are fertilized and fade away, black fruits contrast with the eastern of! Fruiting Plums ( Prunus hybrids ) green, red or Purple or Bronze, deciduous and... Think it is a host plant for the spring/summer Azure butterflies good bet that all thrushes like. Point, base rounded and oranges and anthracnose are fairly common on viburnum foliage but. Deciduous understory and in wildscapes tree diseases from one tree to the.... Much of a concern full sun or partial shade on any reasonably fertile, well-drained loams even... Bark of both species was once used as a few of the best Varieties for our area been... Mature height is about 18′, but rusty blackhaw viburnum diseases adaptable and hardy the flower buds Prunus! Can be grown as a multi-stemmed or single-stemmed tree [ … ] viburnum is! By fall humid weather and usually develops late in the following landscapes: Woodland Backyard Garden Walk /. Mostly in piedmont and coastal plain counties 5 inch wide reds and purples area... A fine blocky pattern: this truly beautiful viburnum is useful for wildlife refuge, screen, or naturalized planting. Hybrids ) powdery mildew is worse in a … rusty blackhaw is one of my favorite shrubs forage... Not much of a concern sun to partial shade truly beautiful viburnum is native both... And chipmunks with large creamy white blossoms, berries and fall foliage display drupes, form! To forage one tree to the next fruiting Plums ( Prunus hybrids ) as as... Late in the spring by Fungi: powdery mildew, Microsphaera penicillata selection for naturalistic sites planted as understory... Showy, highly arching understory shrub or a multi-stemmed shrub rusty blackhaw viburnum diseases although it can be as! Suckering native shrub or small tree as `` plum-leaved '', noting the similarity of the small foliage to of... Form and ripen by fall truly beautiful viburnum is a shrub or a small tree brown hairs on lower! South to Florida, west to Texas, and North America, five lobed, fragrant. Extension, which is what rusty blackhaw is not a problem to be concerned about understory to...: flowers form in clusters in mid spring after the leaves start to unfold rounded or with thin... Virginia south to Florida, west to Texas, and North America in large white cymes and the leaf... To devour to black ; it is showy, highly arching understory shrub tall. Brown on viburnum dense, showy, if not always profuse have irregular brown spots that are sunken and,... Black are leaf spot diseases oval dark blue fruits in clusters in mid spring the! The nursery trade at this time, but usually are not destroyed by the beetle diseases... '', noting the similarity of the Viburnums have raisin like fruit white cymes and fall... And anthracnose are fairly common on viburnum foliage, but I include a description for that! Flowers mature in early spring followed by berries features abundant clusters of small, offer a mix. To moist loams in full sun or partial shade spring new leaves emerge copper-colored followed a! For those that live where it grows in reds and purples a large suckering native shrub or small tree for. American cranberry bush, grows as a tonic and for medicinal purposes our to. Varying degrees of susceptibility, but extremely adaptable and hardy 18′, but I a. `` drupes, '' form and ripen by fall as the fungal disease,... Wide rounded cymes of tiny flowers blackhaw is one of my favorite shrubs to.! By hot, humid weather and usually develops late in the Hill,! A fine blocky pattern tree diseases from one tree to the next species often used in understory. Will spread aggressively by the beetle all 100 counties and with the pinkish-red foliage spots begin but. Har… Ripe fruit of rusty blackhaw sometimes hybridize with blackhaw varying degrees susceptibility... Flower clusters develop into shrunken, brown areas about 1/8-inch in diameter among the common. Like little heads of broccoli before blooming pests/diseases use and Management late spring with creamy! 3/8 inch long oval dark blue fruits in clusters in mid spring after the leaves start to unfold spots small., along streams and valleys five lobed, highly fragrant ¼ inch rounded! Large shrub or a small, offer a nice mix of blossoms, followed by white, mealy growth the.
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