These include the following: 'Jefferson', 'New Harmony', Prairie Expedition®, 'Princeton' , and 'Valley Forge'. Ulmus americana ‘Valley Forge’ Des ormes d’Amérique résistants à la maladie hollandaise Par défaut. Tolerant of light shade. The American Elm cultivar Ulmus americana Valley Forge was raised by the Agricultural Research Service in Maryland. Print This Page. Ulmus americana 'Princeton' was originally selected in 1922 by New Jersey nurseryman William Flemer for its aesthetic merit. 45MM, 50MM, 60MM, 70MM, 80MM, 90MM, 100MM, 110MM, 125MM, 135MM, 150MM . Send by … Of the thousands of Ulmus americana trees screened, ‘Valley Forge’ has the most resistance to Dutch Elm Disease. Adapts to both wet and dry sites. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Prefers rich, moist loams. 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. The dark green leaf is obovate and 6 to 12 cm long. Send by email Printer-friendly version. W: www.vdberk-rhododendron.de, T: +49 (0) 2831 - 974 69 60 Seeds mature in April-May as the leaves reach full size. Valley Forge Elm is a dense deciduous tree with a more or less rounded form. Images Ulmus americana Valley Forge. By coincidence, 'Princeton' was later found to have a moderate resistance to Dutch elm disease in the USA. Valley Forge is a true American elm introduction from U.S. National Arboretum with outstanding DED resistance. Valley Forge Elm is the most resistant to Dutch Elm Disease than any other elm. It is also very resistant to the elm leaf beetle, which is … Suggested Use: Shade Tree, Street Tree, Rain Garden, Tolerate: Drought, Black Walnut, Air Pollution. Choose Size & Quantity Size Price Quantity; 3 Gallon Pot (5 to 6 Feet Tall) $109.95: Out of stock. Sun Exposure: Full Sun. At maturity this tree grows to form a stately vase-shaped crown. 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. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. F: +49 (0) 4483 - 930 50 14 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. 'Valley Forge' reportedly has excellent resistance to Dutch elm disease and is currently being planted. ‘Valley Forge’ grows to 10 to 15 m tall and wide. Height: 70′ Spread: 60′ Zone: 5. It has a high canopy of foliage that sits well above the ground, and should not be planted underneath power lines. This fast growing tree develops a vase-shaped, dense canopy that provides excellent shade. More from Deciduous … Acer campestre; Betula plat. Ulmus americana 'Valley Forge' See Reviews. It also is quite resistant to Elm Leaf Beetle, which can be problematic on other cultivars. This deciduous tree typically grows to 60–80 feet tall with a broad-rounded crown. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). E: rhododendron@vdberk.de 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. This tree is also very vigorous, Reaching 30’ in 12 years. 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'. W: www.vdberk.fr, T: +49 (0) 4483 - 930 50 13 Ulmus americana Valley Forge. 33 Search Results. May be used as a lawn, shade or street tree. Add to Wishlist; Share This. Rough-textured, ovate-elliptic, dark green leaves (to 6” long) have toothed margins and asymetrical bases. This cultivar was introduced in 1966 by the National Arboretum and has been tested for disease resistance more than any other cultivar. 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. In nature. W: www.vdberk.de. It is native to eastern and central North America. … 0 more photos VIEW GALLERY. La feuille obovoïde atteint 6 à 12 cm de long. Various wilts, rots, cankers and leaf spots may also occur. Ulmus americana Valley Forge. Ce produit n'est malheureusement pas disponible. Retail; Nursery Name City State / Province ; Fedco: Clinton : Maine : Fedco. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. 1. Once it gets into larger stem caliper ranges it seems to “settle down” a little and take on a more manageable form and habit. 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. Generally tolerant of urban conditions.Regular pruning and spraying is advisable because of Dutch elm disease threat. A popular alternative to the American elm is the Japanese Zelkova tree (Zelkova serrata). Name: ULMUS americana ‘Valley Forge’ Common name(s): Valley Forge American Elm. Newer selections of Ulmus americana show good to excellent resistance to Dutch elm disease and are recommended for planting. L’arbre acquiert ainsi une couronne évasée étalée, caractéristiques de l’Ulmus americana. It is native to eastern and central North America. Valley Forge Elm will grow to be about 70 feet tall at maturity, with a spread of 60 feet. 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. it can be found in swamps, bottomland forests, moist slopes, and in areas with especially nutrient-rich soils. 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. L’écorce gris brun est légèrement cannelée. Facile à transplanter, croissance rapide. 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. Many hybrid elms are also resistant to Dutch elm disease. 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. Water Requirements: Average Water Needs; Water regularly; do not overwater. Description Dimensions Morphologie Habitat Autres Infos. This cultivar is the most resistant to Dutch Elm Disease of all American Elm selections. Le ‘Valley Forge’ peut atteindre de 1 à 15 m de haut et de large. This is a relatively low maintenance tree, and is best pruned in late winter once the threat of extreme cold has passed. L'orme est un arbre de haute futaie , et fournit un excellent bois d'œuvre, pratiquement comparable au bois de chêne . In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Description Ulmus americana 'Valley Forge' La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. It is also susceptible to wetwood which is a bacterial disease that results in wilting and dieback. continuer la lecture. Once a popular street tree, the American elm has been largely wiped off the map by Dutch elm disease. The American elm (Ulmus americana), with its large size and outstanding arching umbrella habit, was long considered the ideal street tree. Insect visitors include borers, leaf miner, beetles, mealy bugs, caterpillars and scale. The grey-brown bark is slightly grooved. Arbre extrêmement vivace. Medium green foiliage with yellow fall colour. La couleur automnale est jaune dorée à jaune marron. It also has the classic form of U. americana: tall, ascending arching branches. Ulmus Americana ‘Valley Forge’ Valley Forge Elm Categories: Botanical Name , Common Name , Container Trees & Shrubs , Elm , Planting Zone , Ulmus , Zone 4 Les ormes sont des arbres du genre Ulmus , famille des Ulmaceae ou Ulmacées atteignant une trentaine de mètres (et rarement 40 m). 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. Fiche simple Ulmus americana Valley Forge . Leaves typically turn an undistinguished yellow in fall.Genus name comes from the Latin name.Specific epithet means of North or South America. 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. 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. Sa croissance quelque peu désordonnée nécessite une taille régulière. 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. La position des branches en V chez cet arbre se distingue nettement dès le plus jeune âge déjà. Ulmus americana ‘Valley Forge’ American Elms Resistant to Dutch Elm Disease Standard. 'Valley Forge' seems to be more tolerant (96% resistant rate) of Dutch elm disease than 'New Harmony' (86% resistant rate), … Toute la connaissance.Presque tous les arbres. E: info@vdberk.fr Grow in average, medium moisture, well-drained soils in full sun. 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. Sa couronne étalée et sa croissance désordonnée en font un arbre moins adapté aux avenues. It is possible that this elm cousin can be infected with Dutch Elm disease, but it is generally resistant to it. The American Elm cultivar Ulmus americana 'Valley Forge' was raised by the Agricultural Research Service in Maryland. 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. Le ‘Valley For… Le ‘Valley Forge’ peut atteindre de 10 à 15 m de haut et de large. E: geldern@vdberk.de In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Older trees sometimes develop buttresses that expand their base.