This deciduous tree typically grows to 60–80 feet tall with a broad-rounded crown. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. This cultivar was introduced in 1966 by the National Arboretum and has been tested for disease resistance more than any other cultivar. 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! The dark green leaf is obovate and 6 to 12 cm long. ‘Valley Forge’ grows to 10 to 15 m tall and wide. E: info@vdberk.fr As Low As: $109.95 *Pre-Order shipping will begin April 1st through April 15th weather permitting. It has a high canopy of foliage that sits well above the ground, and should not be planted underneath power lines. Height: 70′ Spread: 60′ Zone: 5. Generally tolerant of urban conditions.Regular pruning and spraying is advisable because of Dutch elm disease threat. Le ‘Valley For… Ulmus americana 'Valley Forge' Be the first to review this product. More from Deciduous … Acer campestre; Betula plat. 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. 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. American Elm, White Elm 'Valley Forge' Ulmus americana. Older trees sometimes develop buttresses that expand their base. Ulmus americana Valley Forge. Water Requirements: Average Water Needs; Water regularly; do not overwater. Growzone: 5-8. Ulmus americana 'Valley Forge' See Reviews. Medium green foiliage with yellow fall colour. Newer selections of Ulmus americana show good to excellent resistance to Dutch elm disease and are recommended for planting. Choose Size & Quantity Size Price Quantity; 3 Gallon Pot (5 to 6 Feet Tall) $109.95: Out of stock. The American Elm cultivar Ulmus americana Valley Forge was raised by the Agricultural Research Service in Maryland. Valley Forge Elm is the most resistant to Dutch Elm Disease than any other elm. Valley Forge Elm is a dense deciduous tree with a more or less rounded form. Arbre extrêmement vivace. This cultivar is the most resistant to Dutch Elm Disease of all American Elm selections. continuer la lecture. Valley Forge Elm. Details/Description: A U.S. National Arboretum introduction, this plant is tolerant of Dutch elm disease. La couleur automnale est jaune dorée à jaune marron. It has the traditional upright arching and vase shape habit and yellow fall color of the species. Ulmus americana ‘Valley Forge’ American Elms Resistant to Dutch Elm Disease Standard. 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. F: +49 (0) 2831 - 974 69 66 Grow in average, medium moisture, well-drained soils in full sun. Rough-textured, ovate-elliptic, dark green leaves (to 6” long) have toothed margins and asymetrical bases. 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. Adapts to both wet and dry sites. It is native to eastern and central North America. The grey-brown bark is slightly grooved. 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. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Sun Exposure: Full Sun. 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. This gives the tree a broad vase-shaped crown which, moreover, is characteristic of Ulmus americana. 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. L’écorce gris brun est légèrement cannelée. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). E: geldern@vdberk.de 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'. 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. Prefers rich, moist loams. 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. Name: ULMUS americana ‘Valley Forge’ Common name(s): Valley Forge American Elm. Tolerant of light shade. 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. Toute la connaissance.Presque tous les arbres. F: +31 (0) 413 - 480 490 This is a relatively low maintenance tree, and is best pruned in late winter once the threat of extreme cold has passed. It requires regular pruning due to the somewhat wild growth. It also has the classic form of U. americana: tall, ascending arching branches. Les ormes sont des arbres du genre Ulmus , famille des Ulmaceae ou Ulmacées atteignant une trentaine de mètres (et rarement 40 m). It also is quite resistant to Elm Leaf Beetle, which can be problematic on other cultivars. Description Dimensions Morphologie Habitat Autres Infos. Once it gets into larger stem caliper ranges it seems to “settle down” a little and take on a more manageable form and habit. Sa couronne étalée et sa croissance désordonnée en font un arbre moins adapté aux avenues. The American elm (Ulmus americana), with its large size and outstanding arching umbrella habit, was long considered the ideal street tree. Valley Forge is a true American elm introduction from U.S. National Arboretum with outstanding DED resistance. Insignificant small green flowers appear in spring before the foliage emerges. Le ‘Valley Forge’ peut atteindre de 10 à 15 m de haut et de large. 33 Search Results. 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. Add to Wishlist; Share This. 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 . Description Ulmus americana 'Valley Forge' La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. Valley Forge Elm was developed by Agricultural Research Service in Maryland and released by the U.S. National Arboretum in 1995. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. Valley Forge Elm will grow to be about 70 feet tall at maturity, with a spread of 60 feet. F: +49 (0) 4483 - 930 50 14 Ulmus americana ‘Valley Forge’ The U.S. National Arboretum presents ‘Valley Forge’, a Dutch elm disease tolerant elm. it can be found in swamps, bottomland forests, moist slopes, and in areas with especially nutrient-rich soils. La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. Various wilts, rots, cankers and leaf spots may also occur. Print This Page. 'Valley Forge' has excellent resistance to Dutch elm disease. This fast growing tree develops a vase-shaped, dense canopy that provides excellent shade. … W: www.vdberk-rhododendron.de, T: +49 (0) 2831 - 974 69 60 Facile à transplanter, croissance rapide. 2. 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. 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