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. They naturally grow more than one leader and should be pruned to develop a single leader if desired. 'Princeton' is an older cultivar with an extremely rapid growth rate. Urban Approved: Yes. A single leader can help prevent splitting with high winds and ice loads. You can start from seeds or from young saplings. '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. It was propagated in 1922 and planted along Washington Ave at the entrance to Princeton University in New Jersey. Vigorous growth rate with very upright form. It also is a rapid grower. Time has shown it to be DED-tolerant and a popular landscape tree. Selected for its straight trunk and vigorous growth rate, the Princeton Elm has stood the test of time since 1922 when it was first cultivated. Elm leaf beetle, Japanese beetle, elm leaf miner, cankerworms, etc. This is a cultivar of the American elm. Tree Starter Kit - Only: $49.95. Growth Form: Upright, symmetrical. January 3, 2018. 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' 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). A variety that is dutch elm resistant and adaptable to most all of Colorado's harsh conditions. It is native to eastern and central North America. 10003337 . Growth Rate. 'Valley Forge' reportedly has excellent resistance to Dutch elm disease and is currently being planted. Elms are known for their fast growth rate and high, arching canopies. Two early selections of American elm (‘Valley Forge’ and ‘New Harmony’) are grown commonly at the time of this writing. It has good disease resistance. Dewitt Tree Support Stake Kit - Only: $19.95. This deciduous tree typically grows to 60–80 feet tall with a broad-rounded crown. SKU. Valley Forge American Elm. All American elm selections require a significant investment in pruning during the first 15 years. They flower at different times, depending on the species. National Elm Trial Fargo, North Dakota • Established: 2005, with replacement trees or additional cultivars added in 2006, 2007, and 2009. This selection has a classic vase-shaped American elm form with a full, dense canopy. 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. Home About Us Catalogue Request Plant Library New Plants 2020 Customized Hang Tags Products Picks of the Week … Princeton – Selected in 1922. Valley Forge: A USDA-recommended cultivar that has excellent disease resistance and form. It typically grows to 60-70' tall. 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. Add to Wish List Add to Compare. 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. After a couple years, you only need to water the tree during very dry spells. American Elm Growth and Care Fast Growing Trees says that American elm growth rate is as fast as 3 to 6 feet each year. Latin Name - Ulmus americana ‘ Valley Forge’ Native Range - Northern Canada to Florida west to the Rocky Mountains. Valley Forge American Elm. Valley Forge (Ulmus americana 'Valley Forge'): Excellent resistance to Dutch elm disease; vase-shaped habit. I have a lot of information for you to read and I hope it will answer your questions. Problems 'Valley Forge' has excellent resistance to Dutch elm disease. E lm yellows, elm phloem necrosis, elm leaf miner and verticillium wilt are potential problems. Qty: Add to Cart. This cultivar has good resistance to Dutch elm disease and some resistance to elm leaf beetle. Native geographic location and habitat. American Elm is a host for Ganoderma butt rot. Valley Forge American Elm. Planting Pros Recommend: Nature Hills Root Booster - 4 oz. 'Valley Forge' has proven the most resistant of all the American Elm cultivars (although it is not immune) to Dutch elm disease. Available in most garden centers and also through mail-order. (See USDA report from 1995; Read about one tree's survival. Many diseases may infect American Elm, including Dutch elm disease, phloem necrosis, leaf spot diseases, and cankers. This is a cultvated species of a native tree. 'Princeton' also shows very good resistance to Dutch elm disease. The 4-inch, elliptic leaves are double-serrated with a lively deep green color, a darker hue than many other Elms. Fall Color: Yellow. It tolerates Dutch elm disease well and has the nice classic American elm shape. • Located at Yunker Farm, Fargo City Park. bag - Only: $9.95. TJ Nagel. Attributes Fall Color Deciduous. Your 'New Horizon' Elm is a fast-growing, stately tree with decorative elements. Latin Name - Ulmus americana ‘ Valley Forge’ Native Range - Northern Canada to Florida west to the Rocky Mountains. Resistance to leaf feeding insects should be part of your selection process. The good news is that resistant tree strains are starting to improve the American elm's situation. Most elms grow rapidly and have a moderate to long life span. 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. Disease, pest, and problem resistance. Outstanding Selection Jefferson American Elm. 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. Be sure to water the tree weekly in its young life to ensure proper growth. General Info. Leaf size and shape are typical of It has a classic American elm shape and tolerates drought, poor soils, air pollution and … '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. The growth rate is fast and typical of the species in Minnesota. 20 Trees to Know. The elm tree is a very hardy species and either starting point, seed or saplings, is sure to grow into a tall, healthy tree. New Harmony and slow growth for Valley Forge and Vanguard. Description ‘St. Chinese elm (Ulmus parvifolia) bark. TJ Nagel. January 3, 2018. 2005). Prairie Expedition – A 2004 North Dakota State University selection. If it rains, you don't need to water your Princeton Elm at all. As newer selections become available with better form or growth rate and improved insect and disease resistance, older hybrids are no longer available. Flower: Insignificant, small 3-4 flowered clusters on 1 inch pedicels. Croix’ has an open-grown, spreading, vase-shaped crown. American Elm cultivars are tolerant to Dutch Elm Disease, so they only show symptoms of the disease when stressed or severely infected. As low as $95.95 was $137.07. ’New Harmony’ and ’Valley Forge’, recently ... great size by virtue of rapid growth rate, rather than by great age. It's a type of tree that grows fast in any kind of soil and environment. It grows to a uniform vase shape with upright branches and rich green foliage that turns yellow in the fall. Foliage: Dark Green. Foliage Color Green (dark) Yellow. It has a high canopy of foliage that sits well above the ground, and should not be planted underneath power lines. can severely alter the ornamental value of a tree, i.e. Site Requirements: Tolerant of many sites but use caution in exceptionally dry areas. Photo by Karen Russ, ©HGIC, Clemson Extension . annual growth for the fastest cultivars was on the order of two to three times greater than for the slow-est ones. Vanguard™ (Ulmus ‘Morton Plainsman’) Has waxy, lustrous leaves and a vigorous upright shape. Landscape uses Specimen. Valley Forge Elm « Previous Plant ... Growth Rate Medium. Bloom Period: April. Light Requirements: Full Sun to Partial Shade. Growth Rate - Medium to Fast ; Mature Height - 60–80’ Mature Spread - 30–50’ Arborist Thoughts. 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. St. Croix: Selected from a massive elm in Minnesota. ‘Valley Forge’ was introduced by the U.S. National Arboretum in 1995 (Townsend 2000). These two are probably the best ones to plant in American landscapes since they have received the most testing. Other writers who described the American elm in the nineteenth century include F. A. Michaux (1819), J. Probably the most notable feature of most elms is the vase-shaped, upright form. Tree shrub perennial ornamental grasses for sale in Iowa Des Moines Metro Area Tolerant of black walnut toxicity. Of all American elm seedlings screened, ‘Valley Forge’ was found to have the highest DED tolerance (Townsend and Douglass 2001). Valley Forge Elm will grow to be about 70 feet tall at maturity, with a spread of 60 feet. • 22 elm cultivars were planted • All Alee, Dynasty and Regal trees died within 2 years, so were considered “not established.” Each is considered non cold-hardy in ND. Growth rate: Rapid when conditions are favorable. Habit Rounded Tree form Vase-shape. Details. The American Elm cultivar Ulmus americana 'St. Suitable Substitutions for Ulmus americana 'Valley Forge' Ulmus x 'Pioneer' Pioneer Elm . ‘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. These trees are now about 60 feet tall and have endured many stresses. Prairie Expedition (“Lewis and Clark”): A … Some are rounded and weeping. Availability: In stock. 20 Trees to Know. 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. Growth Rate: Fast. Growth Rate - Medium to Fast ; Mature Height - 60–80’ Mature Spread - 30–50’ Arborist Thoughts. Ornamental Features. A U S patent, PP 20097, was granted in 2009. General Info. New Harmony: Another USDA selection of an American elm hybrid that appears to have superior form when compared to Princeton and Valley Forge. Early growth pattern: Flimsy, arching, …

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