The American Elm cultivar Ulmus americana 'Valley Forge' was raised by the Agricultural Research Service in Maryland. 'Valley Forge' reportedly has excellent resistance to Dutch elm disease and is currently being planted. Le ‘Valley Forge’ peut atteindre de 10 à 15 m de haut et de large. It is native to eastern and central North America. It also has the classic form of U. americana: tall, ascending arching branches. Valley Forge Elm. It is also very resistant to the elm leaf beetle, which is … May be used as a lawn, shade or street tree. Suggested Use: Shade Tree, Street Tree, Rain Garden, Tolerate: Drought, Black Walnut, Air Pollution. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. Description Ulmus americana 'Valley Forge' La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. E: info@vdberk.fr T: +31 (0) 413 - 480 480 Flowers give way to single-seeded wafer-like samaras (each tiny seed is surrounded by a flattened oval-rounded papery wing). Tolerant of light shade. The grey-brown bark is slightly grooved. 'Valley Forge' has excellent resistance to Dutch elm disease. 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. Ulmus americana 'Valley Forge' Ulmus americana 'Valley Forge' Scientific Name: Ulmus L. (Ulmaceae) americana L. 'Valley Forge' Nursery Availability 1 - 33 of 33. Arbre extrêmement vivace. Le majestueux orme d’Amérique, autrefois si populaire comme arbre de rue. It has the traditional upright arching and vase shape habit and yellow fall color of the species. It is also susceptible to wetwood which is a bacterial disease that results in wilting and dieback. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). 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. W: www.vdberk.de. It requires regular pruning due to the somewhat wild growth. 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 is the most resistant to Dutch Elm Disease of all American Elm selections. Product Description . It is native to eastern and central North America. Sun Exposure: Full Sun. Photo: Msact, Wikimedia Commons. 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. 0 more photos VIEW GALLERY. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. Ulmus americana ‘Valley Forge’ Des ormes d’Amérique résistants à la maladie hollandaise Par défaut. Ulmus americana 'Valley Forge' See Reviews. La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. Ulmus americana ‘Valley Forge’ The U.S. National Arboretum presents ‘Valley Forge’, a Dutch elm disease tolerant elm. 2. Valley Forge Elm was developed by Agricultural Research Service in Maryland and released by the U.S. National Arboretum in 1995. As Low As: $109.95 *Pre-Order shipping will begin April 1st through April 15th weather permitting. In nature. 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. Growzone: 5-8. Of the thousands of Ulmus americana trees screened, ‘Valley Forge’ has the most resistance to Dutch Elm Disease. It is possible that this elm cousin can be infected with Dutch Elm disease, but it is generally resistant to it. F: +31 (0) 413 - 480 490 Name: ULMUS americana ‘Valley Forge’ Common name(s): Valley Forge American Elm. Ulmus americana 'Princeton' was originally selected in 1922 by New Jersey nurseryman William Flemer for its aesthetic merit. L'orme est un arbre de haute futaie , et fournit un excellent bois d'œuvre, pratiquement comparable au bois de chêne . 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. Once a popular street tree, the American elm has been largely wiped off the map by Dutch elm disease. Sa croissance quelque peu désordonnée nécessite une taille régulière. F: +49 (0) 4483 - 930 50 14 45MM, 50MM, 60MM, 70MM, 80MM, 90MM, 100MM, 110MM, 125MM, 135MM, 150MM . Rough-textured, ovate-elliptic, dark green leaves (to 6” long) have toothed margins and asymetrical bases. Generally tolerant of urban conditions.Regular pruning and spraying is advisable because of Dutch elm disease threat. 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. 1. 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. By coincidence, 'Princeton' was later found to have a moderate resistance to Dutch elm disease in the USA. ‘Valley Forge’ grows to 10 to 15 m tall and wide. Adapts to both wet and dry sites. Toute la connaissance.Presque tous les arbres. Valley Forge Elm will grow to be about 70 feet tall at maturity, with a spread of 60 feet. 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'. It has a high canopy of foliage that sits well above the ground, and should not be planted underneath power lines. Prefers rich, moist loams. 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. 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 is native to eastern and central North America. Le ‘Valley Forge’ peut atteindre de 1 à 15 m de haut et de large. Details/Description: A U.S. National Arboretum introduction, this plant is tolerant of Dutch elm disease. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. 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