This fast growing tree develops a vase-shaped, dense canopy that provides excellent shade. E: geldern@vdberk.de Facile à transplanter, croissance rapide. W: www.vdberk.fr, T: +49 (0) 4483 - 930 50 13 This tree is also very vigorous, Reaching 30’ in 12 years. Various wilts, rots, cankers and leaf spots may also occur. 2. It requires regular pruning due to the somewhat wild growth. Toute la connaissance.Presque tous les arbres. Description Ulmus americana 'Valley Forge' La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. The tree was released to wholesale nurseries without patent restrictions by the U. S. National Arboretum in 1995 after proving to have a resistance to Dutch elm disease. F: +31 (0) 413 - 480 490 continuer la lecture. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. More from Deciduous … Acer campestre; Betula plat. L'orme est un arbre de haute futaie , et fournit un excellent bois d'œuvre, pratiquement comparable au bois de chêne . This tree has a lot of well-earned notoriety for being hard to manage in the nursery and as a young tree in the landscape! Insect visitors include borers, leaf miner, beetles, mealy bugs, caterpillars and scale. Valley Forge Elm was developed by Agricultural Research Service in Maryland and released by the U.S. National Arboretum in 1995. At maturity this tree grows to form a stately vase-shaped crown. The US National Arboretum has rated this best for resistance to Dutch Elm Disease. The American Elm cultivar Ulmus americana Valley Forge was raised by the Agricultural Research Service in Maryland. It also is quite resistant to Elm Leaf Beetle, which can be problematic on other cultivars. It is possible that this elm cousin can be infected with Dutch Elm disease, but it is generally resistant to it. Add to Wishlist; Share This. 'Valley Forge' reportedly has excellent resistance to Dutch elm disease and is currently being planted. It has a high canopy of foliage that sits well above the ground, and should not be planted underneath power lines. Ulmus americana Valley Forge. Of the thousands of Ulmus americana trees screened, ‘Valley Forge’ has the most resistance to Dutch Elm Disease. Des études plus récentes indiquent toutefois que cette résistance serait limitée et que sa sensibilité est comparable à celle du ‘Princeton’. Si vous recherchez une alternative, contactez-nous afin de connaître les autres possibilités. Le ‘Valley For… Ulmus americana ‘Valley Forge’ Des ormes d’Amérique résistants à la maladie hollandaise Par défaut. Leaves typically turn an undistinguished yellow in fall.Genus name comes from the Latin name.Specific epithet means of North or South America. This deciduous tree typically grows to 60–80 feet tall with a broad-rounded crown. Valley Forge Elm will grow to be about 70 feet tall at maturity, with a spread of 60 feet. Ulmus americana 'Valley Forge' Ulmus americana 'Valley Forge' Scientific Name: Ulmus L. (Ulmaceae) americana L. 'Valley Forge' Nursery Availability 1 - 33 of 33. H 70’ W 70’ Arching limbs. Category: Trees. Water Requirements: Average Water Needs; Water regularly; do not overwater. Genre Ulmus L. , 1753 Classification APG III (2009) Classification APG III (2009) Ordre Rosales Famille Ulmaceae . As Low As: $109.95 *Pre-Order shipping will begin April 1st through April 15th weather permitting. The tree was released to wholesale nurseries without patent restrictions by the U. S. National Arboretum in 1995 after proving to have a resistance to Dutch elm disease. This cultivar is the most resistant to Dutch Elm Disease of all American Elm selections. As it matures, the lower branches of this tree can be strategically removed to create a high enough canopy to support unobstructed human traffic underneath. Product Description . Cet arbre a été introduit après une étude sur la résistance à la graphiose. 45MM, 50MM, 60MM, 70MM, 80MM, 90MM, 100MM, 110MM, 125MM, 135MM, 150MM . Older trees sometimes develop buttresses that expand their base. We found one dictionary with English definitions that includes the word ulmus americana 'valley forge: Click on the first link on a line below to go directly to a page where "ulmus americana 'valley forge" is defined. Valley Forge is a true American elm introduction from U.S. National Arboretum with outstanding DED resistance. The dark green leaf is obovate and 6 to 12 cm long. Arbre extrêmement vivace. 0 more photos VIEW GALLERY. La couleur automnale est jaune dorée à jaune marron. It also has the classic form of U. americana: tall, ascending arching branches. It is native to eastern and central North America. étalée et évasée, Couronne semi-ouverte, grillig groeiend, rameaux vert brun, écorce marron gris, légèrement cannelée, en fascicules denses, vert rougeâtre, mars/avril, samares plates arrondies, vertes, parfois un peu rouges, riche en nutriments, humide en léger, supporte les sols calcaires, Possible sur sol humide, Résistant à de longues inondations, avenues et rues larges, parcs, places, cimetières, grands jardins, aménagement paysager, U.S. National Arboretum, Washington DC, USA, 1995. Tolerant of light shade. It is susceptible to phloem necrosis a disease caused by a phytoplasma that attacks the food-conducting tissue of the tree, usually resulting in a loosening of the bark, wilting, defoliation and death. Ulmus americana ‘Valley Forge’ Valley Forge Elm Zone: 4 | Height: 70' | Spread: 70' Shape: Broad vase shaped with arching limbs Foliage: Medium green Fall Color: Yellow DISEASE TOLERANCE: Dutch Elm Disease This National Arboretum introduc-tion has tested best for Dutch Elm Disease tolerance, bringing hope for the return of the American elm. Adapts to both wet and dry sites. Photo: Msact, Wikimedia Commons. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). If you want to plant an American elm, ask your local tree nursery for disease-resistant cultivars such as Ulmus americana 'Valley Forge,' 'New Harmony,' 'Princeton', and 'Jefferson'. Sa croissance quelque peu désordonnée nécessite une taille régulière. Medium green foiliage with yellow fall colour. It is native to eastern and central North America. Le majestueux orme d’Amérique, autrefois si populaire comme arbre de rue. The autumn colour is golden-yellow to brown-yellow. Many hybrid elms are also resistant to Dutch elm disease. Although once widely planted as a street and lawn tree, American elm populations have been so decimated by Dutch elm disease that this tree is no longer considered to be a viable selection for landscape uses. Ulmus Americana ‘Valley Forge’ Valley Forge Elm Categories: Botanical Name , Common Name , Container Trees & Shrubs , Elm , Planting Zone , Ulmus , Zone 4 Grow in average, medium moisture, well-drained soils in full sun. Sa couronne étalée et sa croissance désordonnée en font un arbre moins adapté aux avenues. Valley Forge Elm. Ulmus americana 'Valley Forge' See Reviews. Ulmus Americana Valley Forge / Orme American Valley Forge Tolérant aux conditions urbaines, la sécheresse, avec une excellente résistance à la maladie hollandaise de l’orme. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Flowers give way to single-seeded wafer-like samaras (each tiny seed is surrounded by a flattened oval-rounded papery wing). Academic disciplines Business Concepts Crime Culture Economy Education Energy Events Food and drink Geography Government Health Human behavior Humanities Knowledge Law Life Mind Objects Organizations People Philosophy Society Sports Universe World Arts Lists Glossaries. Le ‘Valley Forge’ peut atteindre de 1 à 15 m de haut et de large. Name: ULMUS americana ‘Valley Forge’ Common name(s): Valley Forge American Elm. Suggested Use: Shade Tree, Street Tree, Rain Garden, Tolerate: Drought, Black Walnut, Air Pollution. Ulmus americana, commonly called American elm, is a medium to large deciduous tree, typically growing to 60-80’ (less frequently to 130’) tall with a vase-shaped, broad-rounded crown. Ulmus americana, commonly called American elm, is a medium to large deciduous tree, typically growing to 60-80’ (less frequently to 130’) tall with a vase-shaped, broad-rounded crown. Valley Forge Elm is the most resistant to Dutch Elm Disease than any other elm. The grey-brown bark is slightly grooved. This is a relatively low maintenance tree, and is best pruned in late winter once the threat of extreme cold has passed. It is also very resistant to the elm leaf beetle, which is … La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. Once it gets into larger stem caliper ranges it seems to “settle down” a little and take on a more manageable form and habit. 'Valley Forge' seems to be more tolerant (96% resistant rate) of Dutch elm disease than 'New Harmony' (86% resistant rate), … It is native to eastern and central North America. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. Generally tolerant of urban conditions.Regular pruning and spraying is advisable because of Dutch elm disease threat. 'Valley Forge' has excellent resistance to Dutch elm disease. Newer selections of Ulmus americana show good to excellent resistance to Dutch elm disease and are recommended for planting. Ulmus americana, commonly called American elm, is a medium to large deciduous tree, typically growing to 60-80’ (less frequently to 130’) tall with a vase-shaped, broad-rounded crown. Ulmus americana ‘Valley Forge’ American Elms Resistant to Dutch Elm Disease Standard. Send by email Printer-friendly version. La feuille obovoïde atteint 6 à 12 cm de long. Ulmus americana 'Valley Forge' Be the first to review this product. E: rhododendron@vdberk.de Once a popular street tree, the American elm has been largely wiped off the map by Dutch elm disease. Ulmus americana ‘Valley Forge’ is a medium to large, vase-shaped, deciduous tree, typically growing to 60-80 feet (less frequently to 130 feet) tall with a broad-rounded crown. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). The American elm (Ulmus americana), with its large size and outstanding arching umbrella habit, was long considered the ideal street tree. 33 Search Results. Ulmus americana 'Valley Forge' – Ulmus americana 'Valley Forge' La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. F: +49 (0) 2831 - 974 69 66 View gallery. … It has the traditional upright arching and vase shape habit and yellow fall color of the species. The American Elm cultivar Ulmus americana 'Valley Forge' was raised by the Agricultural Research Service in Maryland. Ulmus americana 'Princeton' was originally selected in 1922 by New Jersey nurseryman William Flemer for its aesthetic merit. By coincidence, 'Princeton' was later found to have a moderate resistance to Dutch elm disease in the USA. In nature. Insignificant small green flowers appear in spring before the foliage emerges. F: +49 (0) 4483 - 930 50 14 The American Elm cultivar Ulmus americana 'New Harmony' was raised by the Maryland Agricultural Research Service and released by the United States National Arboretum in 1995, along with 'Valley Forge' Description 'New Harmony' is considered by some to have a more desirable form than 'Valley Forge' as it grows vertically on its own with a minimum of early training. Family: Ulmaceae (ulm-AY-see-ee) Genus: Ulmus (ULM-us) Species: americana (a-mer-ih-KAY-na) Cultivar: Valley Forge: One member has or wants this plant for trade. This cultivar was introduced in 1966 by the National Arboretum and has been tested for disease resistance more than any other cultivar. Le ‘Valley Forge’ peut atteindre de 10 à 15 m de haut et de large. ‘Valley Forge’ grows to 10 to 15 m tall and wide. Growzone: 5-8. Les ormes sont des arbres du genre Ulmus , famille des Ulmaceae ou Ulmacées atteignant une trentaine de mètres (et rarement 40 m). La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. Send by … L’écorce gris brun est légèrement cannelée. Over the past 50 years, millions of stately elms shading the streets of the American landscape have been lost to Dutch elm disease (DED). Ulmus americana Valley Forge. American Elm, White Elm 'Valley Forge' Ulmus americana. Valley Forge American elm is a large-maturing shade tree with a dense canopy of dark green leaves and the graceful arching habit and adaptability that formerly made this species among the most popular and beloved street trees. Choose Size & Quantity Size Price Quantity; 3 Gallon Pot (5 to 6 Feet Tall) $109.95: Out of stock. W: www.vdberk.de. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Print This Page. Details/Description: A U.S. National Arboretum introduction, this plant is tolerant of Dutch elm disease. Seeds mature in April-May as the leaves reach full size. W: www.vdberk-rhododendron.de, T: +49 (0) 2831 - 974 69 60 A popular alternative to the American elm is the Japanese Zelkova tree (Zelkova serrata). It typically grows to 60-70' tall. Description Dimensions Morphologie Habitat Autres Infos. Sun Exposure: Full Sun. T: +31 (0) 413 - 480 480 Ulmus americana ‘Valley Forge’ The U.S. National Arboretum presents ‘Valley Forge’, a Dutch elm disease tolerant elm. Rough-textured, ovate-elliptic, dark green leaves (to 6” long) have toothed margins and asymetrical bases. 1. Ulmus americana, or American Elm, is a deciduous tree, native to North Carolina, that can grow to 80 to 100 feet tall with a trunk diameter of 2 to 5 feet. it can be found in swamps, bottomland forests, moist slopes, and in areas with especially nutrient-rich soils. Height: 70′ Spread: 60′ Zone: 5. Ulmus americana 'Valley Forge' and 'New Harmony', United States National Arboretum Resource Information The item Ulmus americana 'Valley Forge' and 'New Harmony', United States National Arboretum represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in Indiana State Library . Retail; Nursery Name City State / Province ; Fedco: Clinton : Maine : Fedco. It is native to eastern and central North America. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. Images Ulmus americana Valley Forge. Prefers rich, moist loams. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition. Fiche simple Ulmus americana Valley Forge . It is also susceptible to wetwood which is a bacterial disease that results in wilting and dieback. These include the following: 'Jefferson', 'New Harmony', Prairie Expedition®, 'Princeton' , and 'Valley Forge'. Ce produit n'est malheureusement pas disponible. This gives the tree a broad vase-shaped crown which, moreover, is characteristic of Ulmus americana. May be used as a lawn, shade or street tree. Valley Forge Elm is a dense deciduous tree with a more or less rounded form. E: info@vdberk.fr