You can start from seeds or from young saplings. The good news is that resistant tree strains are starting to improve the American elm's situation. ’New Harmony’ and ’Valley Forge’, recently ... great size by virtue of rapid growth rate, rather than by great age. Tree shrub perennial ornamental grasses for sale in Iowa Des Moines Metro Area All American elm selections require a significant investment in pruning during the first 15 years. 'Valley Forge' has proven the most resistant of all the American Elm cultivars (although it is not immune) to Dutch elm disease. Growth Rate. 2005). Tolerant of black walnut toxicity. Some are rounded and weeping. Vigorous growth rate with very upright form. 'Princeton' also shows very good resistance to Dutch elm disease. Valley Forge Elm « Previous Plant ... Growth Rate Medium. Light Requirements: Full Sun to Partial Shade. TJ Nagel. TJ Nagel. Your 'New Horizon' Elm is a fast-growing, stately tree with decorative elements. • Located at Yunker Farm, Fargo City Park. Croix' is a recent (2008) selection cloned from a large tree growing at Afton, St. Paul, which has displayed a high resistance to Dutch elm disease (DED). New Harmony and slow growth for Valley Forge and Vanguard. Attributes Fall Color Deciduous. Growth Rate - Medium to Fast ; Mature Height - 60–80’ Mature Spread - 30–50’ Arborist Thoughts. Be sure to water the tree weekly in its young life to ensure proper growth. Comparison of the Available American Elm Cultivars (Compiled by Bruce Carley, February 13, 2007) VALLEY FORGE DED-tolerance level: Higher than any other American elm yet known; seemingly comparable to the best Asian elm cultivars and hybrids. They naturally grow more than one leader and should be pruned to develop a single leader if desired. E lm yellows, elm phloem necrosis, elm leaf miner and verticillium wilt are potential problems. Foliage Color Green (dark) Yellow. These trees are now about 60 feet tall and have endured many stresses. Details. Ornamental Features. Of all American elm seedlings screened, ‘Valley Forge’ was found to have the highest DED tolerance (Townsend and Douglass 2001). Disease, pest, and problem resistance. It is native to eastern and central North America. 'Princeton' is an older cultivar with an extremely rapid growth rate. It grows to a uniform vase shape with upright branches and rich green foliage that turns yellow in the fall. Valley Forge (Ulmus americana 'Valley Forge'): Excellent resistance to Dutch elm disease; vase-shaped habit. They flower at different times, depending on the species. New Harmony: Another USDA selection of an American elm hybrid that appears to have superior form when compared to Princeton and Valley Forge. Prairie Expedition – A 2004 North Dakota State University selection. The state tree of both Massachusetts and North Dakota, American elm is a beautiful tree but subject to getting a serious disease called Dutch elm disease or DED. Elms are known for their fast growth rate and high, arching canopies. can severely alter the ornamental value of a tree, i.e. Fall Color: Yellow. Availability: In stock. For example, average annual tree height growth ranged from 2.4 ft. (0.7 m) for Frontier to 6.3 ft. (1.9 m) for Homstead. It also is a rapid grower. Vanguard™ (Ulmus ‘Morton Plainsman’) Has waxy, lustrous leaves and a vigorous upright shape. It has a high canopy of foliage that sits well above the ground, and should not be planted underneath power lines. General Info. Valley Forge American Elm. Flower: Insignificant, small 3-4 flowered clusters on 1 inch pedicels. Growth Rate - Medium to Fast ; Mature Height - 60–80’ Mature Spread - 30–50’ Arborist Thoughts. It was propagated in 1922 and planted along Washington Ave at the entrance to Princeton University in New Jersey. Home About Us Catalogue Request Plant Library New Plants 2020 Customized Hang Tags Products Picks of the Week … National Elm Trial Fargo, North Dakota • Established: 2005, with replacement trees or additional cultivars added in 2006, 2007, and 2009. Many diseases may infect American Elm, including Dutch elm disease, phloem necrosis, leaf spot diseases, and cankers. ‘Valley Forge’ was introduced by the U.S. National Arboretum in 1995 (Townsend 2000). Landscape uses Specimen. This is a cultvated species of a native tree. Growth rate: Rapid when conditions are favorable. Prairie Expedition (“Lewis and Clark”): A … Suitable Substitutions for Ulmus americana 'Valley Forge' Ulmus x 'Pioneer' Pioneer Elm . American Elm cultivars are tolerant to Dutch Elm Disease, so they only show symptoms of the disease when stressed or severely infected. A single leader can help prevent splitting with high winds and ice loads. annual growth for the fastest cultivars was on the order of two to three times greater than for the slow-est ones. Urban Approved: Yes. Photo by Karen Russ, ©HGIC, Clemson Extension . As newer selections become available with better form or growth rate and improved insect and disease resistance, older hybrids are no longer available. If it rains, you don't need to water your Princeton Elm at all. Planting Pros Recommend: Nature Hills Root Booster - 4 oz. 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. American Elm is a host for Ganoderma butt rot. 'Valley Forge' seems to be more tolerant (96% resistant rate) of Dutch elm disease than 'New Harmony' (86% resistant rate), although both were developed for DED tolerance more than 20 years ago. Habit Rounded Tree form Vase-shape. Early growth pattern: Flimsy, arching, … A U S patent, PP 20097, was granted in 2009. Native geographic location and habitat. The 4-inch, elliptic leaves are double-serrated with a lively deep green color, a darker hue than many other Elms. Valley Forge American Elm. So pick a cultivar like Valley Forge or lacebark elm, which are resistant to the impact of DED and hence will grow fully and live a long life. This cultivar has good resistance to Dutch elm disease and some resistance to elm leaf beetle. Valley Forge American Elm. A variety that is dutch elm resistant and adaptable to most all of Colorado's harsh conditions. It's a type of tree that grows fast in any kind of soil and environment. Growth Rate: Slow Bloom Time/Color: N/A Fall Color: Bronze/red Uses: Specimen, shade tree, street tree Maintenance: Low Tree Shape: Pyramidal, narrow Other: Dutch elm disease resistant 'Frontier' is a hybrid elm that was selected for its resistance to diseases; most notably Dutch elm disease. Probably the most notable feature of most elms is the vase-shaped, upright form. American Elm Growth and Care Fast Growing Trees says that American elm growth rate is as fast as 3 to 6 feet each year. January 3, 2018. Dewitt Tree Support Stake Kit - Only: $19.95. Pruning: You don't need to prune the Princeton Elm, but it can be helpful to remove dead bark and branches in the fall. Croix’ has an open-grown, spreading, vase-shaped crown. The elm tree is a very hardy species and either starting point, seed or saplings, is sure to grow into a tall, healthy tree. It tolerates Dutch elm disease well and has the nice classic American elm shape. As low as $95.95 was $137.07. Site Requirements: Tolerant of many sites but use caution in exceptionally dry areas. Jefferson American Elm. Add to Wish List Add to Compare. Qty: Add to Cart. This deciduous tree typically grows to 60–80 feet tall with a broad-rounded crown. 20 Trees to Know. ‘Princeton’ American elm was selected by Princeton Nurseries in 1922 (prior to the introduction of DED) for its narrow growth habit and rapid growth rate (Townsend et al. General Info. Elm leaf beetle, Japanese beetle, elm leaf miner, cankerworms, etc. Available in most garden centers and also through mail-order. 'Valley Forge' American Elm, Ulmus americana — After 20 years of testing by the U.S. National Arboretum, ‘Valley Forge’ has shown a 96 percent survival rate to Dutch elm disease. 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. Time has shown it to be DED-tolerant and a popular landscape tree. After a couple years, you only need to water the tree during very dry spells. 10003337 . This selection has a classic vase-shaped American elm form with a full, dense canopy. This is a cultivar of the American elm. Growth Form: Upright, symmetrical. SKU. Latin Name - Ulmus americana ‘ Valley Forge’ Native Range - Northern Canada to Florida west to the Rocky Mountains. January 3, 2018. St. Croix: Selected from a massive elm in Minnesota. Valley Forge Elm will grow to be about 70 feet tall at maturity, with a spread of 60 feet. The American Elm cultivar Ulmus americana 'St. Foliage: Dark Green. It typically grows to 60-70' tall. Problems 'Valley Forge' has excellent resistance to Dutch elm disease. Description ‘St. Latin Name - Ulmus americana ‘ Valley Forge’ Native Range - Northern Canada to Florida west to the Rocky Mountains. Outstanding Selection Jefferson American Elm. It also has a finer-textured appearance than most Elms, and is a good, clean-growing tree with a subtle grayish bark. Other writers who described the American elm in the nineteenth century include F. A. Michaux (1819), J. It has good disease resistance. I have a lot of information for you to read and I hope it will answer your questions. Growth Rate: Fast. Valley Forge: A USDA-recommended cultivar that has excellent disease resistance and form. Two early selections of American elm (‘Valley Forge’ and ‘New Harmony’) are grown commonly at the time of this writing. Leaf size and shape are typical of bag - Only: $9.95. It has a classic American elm shape and tolerates drought, poor soils, air pollution and … The growth rate is fast and typical of the species in Minnesota. Resistance to leaf feeding insects should be part of your selection process. Bloom Period: April. Chinese elm (Ulmus parvifolia) bark. 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