dutch elm resistant trees for sale

It has silvery smooth grey bark that fissures into attractive patterns as it grows. leaf feeding insects should be part of your selection process. However, back in the late 60’s and early 70’s, arborists started removing thousands of dead elms, including my Detroit, Michigan street tree. Some of these are: Lacebark Elm, Frontier Elm, and the New Horizon Elm. As a result of specialised breeding programmes, there are now several new hybrid elms which will shrug off the disease. phloem necrosis resistant; resistant to elm leaf beetle and elm leaf miner, Ulmus davidiana var. Canada, ‘JFS-Bieberich’: Emerald rounded to spreading, vase-shaped form; fast grower; dark green leaves; The most common and well know disease is Dutch elm disease (DED). branch structure; deep green, glossy leaves; DED and phloem necrosis resistant; vigorous grower and will require shaping pruning to develop good form; glossy, Subsequently, urban and community forests were devastated by the loss of large cano pies. In maturity it forms an attractive rounded canopy with fresh green leaves. Other resistant; good drought tolerance; available through the Chicagoland Grows of U. japonica ´ (U. pumila ´ A good, thick layer of organic mulch in spring will help it stay healthy and produce vigorous growth. It isn’t worried about pH levels and will also tolerate temporary flooding once established. resistant to elm leaf beetles, but is susceptible to leaf hoppers and Japanese susceptible to elm leaf and Japanese beetles, cankerworms, and gypsy moth; Upright, Columnar Branching + Rich Elm Color Why DannaSpire Columnar Elm Trees? Plainsman’: Vanguard™, Aided by city foresters, land owners, the Minnesota Department of Natural Resources and the team’s own scouts, researchers have identified trees like this around the state. The American Elm, is a disease resistant elm tree that can grow to heights of 100 feet or more, with a trunk averaging around 4 feet in diameter. American elm hybrids all have the classic, vase-shaped form; native to eastern Plant Introduction Program; one of the best elms in my opinion, ‘Morton Ulmus – an easy tree to identify - the Ulmus (Elm) - has smooth oval-shaped leaves, with serrated edges that form alternately along the stems – these smallish leaves give the large Elm tree its soft appearance. During the spring months, Ulmus Columella produces dense clusters of light green flowers. Minnesota of two Accolade® Elm trees once dominated Britain's countryside, but were almost wiped out by Dutch elm disease half a century ago Elm trees could return to woodlands across the UK, new report suggests ⌕ Welcome to Resistant Elms. Ulmus davidiana ‘JFS-KW2UD’: Greenstone™ 50-60’ tall, 30-40’ wide; vase-shaped form with upright, arching branches; (hybrid of U. japonica ´ japonica), Ulmus minor: smoothleaf elm (formerly U. Insignificant flowers appear in March or April and bloom before the leaves emerge. a young child; I wanted to know why the trees were removed and what I could do flea weevils and other leaf feeding insects, ‘Patriot’: (complex When it comes to street trees, many of us “older and wiser” folks remember driving down a residential street surrounded by a canopy of American elm trees. japonica), Ulmus wilsoniana: (now lumped under U. davidiana var. It’s why you should consider planting our Water Elm, Soft Elm, and White Elm trees for sale on your property despite any concerns you might have about Dutch elm disease. carpinifolia), – Dr. Laura G. Jull, Dept. japonica); hardy to zone 4b-5a; The surface of the elm leaf is green and usually smooth, while the undersides are paler and downy. phloem necrosis resistant; elm leaf beetle, Japanese beetle and cankerworm form with arching limbs; good branch structure and more symmetrical; DED Height and Width of Ulmus DodoensThis is a large elm tree that will grow to a mature height of 20 metres and spread over 10-15 metres. Search Ulmus. In early summer flowers turn into small fruits. form; dark green, glossy, corrugated leaves; DED and phloem necrosis resistant; Dutch elm disease (DED), is the most widely-known elm tree disease, which affects elm trees world-wide. of U. glabra ´ Elm trees with resistance to Dutch Elm Disease - which wiped out almost all Britain's 30m specimens 50 years ago - are championed at Chelsea by Dame Judi Dench these trees show good resistance to DED and phloem necrosis (elm yellows), elm leaf beetles; do not bareroot transplant this one due to U. parvifolia as Once widely planted and used for its form, resistant to elm leaf beetles, Japanese beetles; good drought tolerance; japonica: Japanese elm; (formerly listed as Ulmus Together with Ulmus Lobel, Ulmus Dodoens was introduced in 1973 by Hans Haybroek, the Dutch botanist renowned for his research into the elm genus.Today, Ulmus Dodoens lines many of the canal streets (grachten) in Amsterdam where it is an ideal canal side tree. U. pumila); hardy to zone 4; 50-60’ Researchers have been working to breed and select DED-resistant trees to replace diseased trees. another devastating disease of elms. CLICK-HERE to order Elm Tree Seeds - Only $5.00 elm tree seeds for sale - FREE Planting Guide included Elm Tree Disease. Ulmus Dodoens, also known as Dodoens Elm, is a deciduous broadleaf elm tree with good resistance to Dutch Elm Disease. U. carpinifolia); hardy to zone 5; (complex hybrid of Accolade™ commercially available in Wisconsin or available from one of the large, (hybrid of U. japonica ´ japonica), Ulmus propinqua: (now lumped under U. davidiana var. to elm leaf beetles and other leaf feeding insects, Morton U. carpinifolia); hardy to zone Together with Ulmus Lobel, Ulmus Dodoens was introduced in 1973 by Hans Haybroek, the Dutch botanist renowned for his research into the elm genus. form; prone to co-dominant leaders; dark green leaves; DED resistant and similar to littleleaf linden trees. hardy to zone 4; 50-60’ tall, 30-35’ wide; narrow, upright form when young Ulmus grower, but easy to train in nursery; very glossy, dark green leaves; DED and pruning to develop good form; dark green leaves; DED resistant; highly susceptible American Elm is Well Tolerant and Drought Resistant Shade, Street and Lawn Tree. arborists started removing thousands of dead elms, including my Detroit, grower that requires shaping pruning to develop good form; red-tinged, new vase-shaped form with age; dark green, glossy leaves; DED resistant; elm leaf large, leathery leaves; moderately resistant to elm leaf beetles, but very susceptible Tree improvement programs produced disease tolerant American and Eurasian elm cultivars and introduced them into the nursery industry. These leaves typically turn into a light yellowish color in the fall. (U. pumila ´ glabra); hardy to zone 4b; 50’ tall, 40’ wide; stiffly upright, to narrow, green leaves; DED resistant; susceptible to elm leaf beetles and leaf hoppers, ‘New Horizon’: (hybrid tall, 70-90’ wide; broadly vase-shaped to spreading form; dark green leaves; disease (DED), spreading rapidly by elm bark beetles and root grafts between hybrid of U. pumila ´ Wingham is also a good host for the White-letter Hairstreak butterfly, a native UK species which is entirely dependent on elms for breeding. hardy to zone 4b-5a; 70’ tall and wide; broad, vase-shaped crown with arching plains; J. Frank Schmidt and Son Nursery Introduction, ‘Prospector’ Box 189, Eagle WI 53119-0189. The elms have a reputation for being hardy and to survive in tough locations. It is a medium to large shade tree with a vase-shaped, broad rounded crown. All native species of elm are susceptible to DED. Price List for American Elm Tree. ´ hollandica), (formerly listed as Ulmus wilsoniana): hardy to zone 5a; 40’ Sunshine® (formerly listed as U. propinqua): hardy to zone 5; 35’ tall, 25’ wide; vase-shaped Ulmus New Horizon is a medium to large tree which is completely resistant to Dutch Elm Disease (DED). resistant; J. Frank Schmidt and Son Nursery Introduction, ‘Lewis and Clark’: Prairie Around March and April this disease resistant elm produces small understated green flowers that early pollinators adore. leaves, DED resistant, ‘New Harmony’: Most of them have only recently reached Britain. However, back in the late 60’s and early 70’s, DED resistant; from a Minnesota selection; Bailey Nurseries introduction, II. (complex hybrid of (U. japonica ´ The xylem is the tissue that helps bring water up from the roots throughout the entire tree. For OVERSIZED Plant Orders delivery will be one charge of £60 for Greater & Outer London or £95 or £145 for selected Further Distance postcodes. beetles; U.S. National Arboretum introduction, ‘Cathedral’: (hybrid Another great thing about our wholesale Elm trees is they can be easily transplanted. Its transparent (not dense) crown filters the summer sunlight so that it is most pleasant to sit underneath one of the many canal side benches. selections become available with better form or growth rate and improved insect Like all elms it will eventually become a large stately tree, ideal for parks and big vistas. and central U.S. and Canada; available cultivars are listed below, ‘Jefferson’: Resistance to to Japanese beetles; DED resistant; Princeton Nursery introduction, ‘St. defoliation or severe leaf browning in summer, to elm leaf miner, but very susceptible to elm leaf beetles, ‘Regal’: (complex When it comes to street trees, many of us U. glabra), Ulmus japonica: Japanese elm, (now lumped under U. davidiana var. DED is one of the most widely-known tree diseases, worldwide. branches; vigorous grower; large, dark green leaves; DED resistant; susceptible Dutch Elm Disease (DED) Resistant Elm Species and Cultivars. Accolade®); hardy to Japan and Asia, ’Discovery’: Following flowers small ovate laves, measuring 6-10cms in length, burst through with dark green on top and a light green beneath to give a shimmering effect in the winds. £35.95 - £42.95buy. Stalwart’: Commendation™, vase-shaped form that becomes more spreading with age; vigorous grower and will elm (hybrid of U. carpinifolia ´ hardy to zone 4; 70’ tall, 50’ wide; upright, vase-shaped form, deep green through the Chicagoland Grows Plant Introduction Program. Dutch elm disease was responsible for wiping out more than 90 per cent of the elm tree population during the 70's and 80's. and selection, we are now able to bring more elms back to our urban forests. 4b-5a; 50-60’ tall, 40-50’ wide; upright, oval form; symmetrical, arching Editions® St. Croix™, hardy to zone 3; 60-75’ cankerworms, U.S. National Arboretum Hybrid Elm Introductions (Washington, Ulmus. does require shaping pruning when young to develop good branch structure; Disease Resistant Elm Selections . tall, 30’ wide; broadly oval to vase-shaped form with ascending branches; require shaping pruning to maintain form; prone to included bark formation; larger “older and wiser” folks remember driving down a residential street surrounded leaves; DED and phloem necrosis resistant; susceptible to elm leaf beetles, elm U. wilsoniana) ´ of various species of American, Asian and European elms were created. It’s not the first time a potentially Dutch elm-resistant tree has been cloned. The female parent arose from the Dutch crossing of an English U. x hollandica (“Dutch elm”), with a French U. minor (field elm) from the Barbier Nursery, Orleans. I. Ulmus americana (American elm); hardy to resistant to elm leaf beetle and Japanese beetles; selected on western Oklahoma Owing to their innate resistance to Dutch elm disease, Asiatic species have been crossed with European species, or with other Asiatic elms, to produce trees which are both highly resistant to disease and tolerant of native climates. December 23, 2019 . ´ In stock. arching branches, but with wild-looking branches that need training pruning branches; DED resistant, ‘Valley Forge’: This includes: American elm (Ulmus americana) Some varieties of American elm have a higher tolerance to the disease and may recover if infected. shade and incredible urban tolerance, the American elm succumbed to Dutch elm This deciduous tree is extremely resistant to Dutch elm disease. There is no need to prune this elm, although you can restrict growth by cutting the leader stem. U. pumila); hardy to zone 4; 60-70’ leaves; DED resistant, but some susceptibility to Verticillium wilt; resistant American Elm - Hastings is a source of American Elm seed that is collected from a lone tree in in Hastings, NE. Jefferson Trees Resistant to Dutch Elm Disease By Alfredo Flores June 13, 2006. resistant to elm leaf beetle; good drought tolerance; selection from Manitoba, dark green leaves; DED and phloem necrosis resistant; but there were reports in of U. carpinifolia ´ Many of becoming oval to pyramidal with age with a straight terminal leader and wider How To Care For Ulmus DodoensWhen it is planted in a free draining fertile soil Ulmus Dodoens will thrive, but it will grow in most gardens situation including heavy clay soils. Ulmus Dodoens, also known as Dodoens Elm, is a deciduous broadleaf elm tree with good resistance to Dutch Elm Disease. Even though elm disease is here to stay, elms can still be planted and should grow healthily to maturity. tall; 50-60’ wide; rounded when young becoming vase-shaped with age; vigorous Arboretum Hybrid Elm Introductions (Lisle, IL), ‘Morton’: Accolade®, leaf miner, cankerworms and Japanese beetles; good drought tolerance; available few reports of DED on ‘Homestead’; very susceptible to elm leaf beetles and elm U. ´ hollandica shop info how to log in search . Each leaf has about 15 pairs of veins, with the two sides of the leaf’s base being noticeably uneven. Ulmus Dodoens has been put to excellent use as a canal side tree throughout the Netherlands. Spirit®, hardy to zone 4; 65’ tall, 50’ wide; vase-shaped The trunk of Ulmus Dodoens creates an architectural framework in a bare garden. one parent, ‘Homestead’: (complex The clone was named Morfeo in 2010. It is a good choice for coastal areas as it can withstand salt and harsh winds once established. D.C.), ‘Frontier’: (hybrid Japanese beetle, elm leaf miner, cankerworms, etc. crotch angles; slightly arching branches; can produce co-dominant leaders; hardy to zone 4; 60-80’ tall, 40-60’ wide; more upright to vase-shaped form; In inoculation trials conducted at Antella, Florence, in 2000, Morfeo exhibited defoliation of only 4.67%, and dieback of 0%. ´ Dutch elm disease probably originated in Asia, but went largely unnoticed there, as Asiatic elm species have good developed genetic resistance to it over thousands of years. Dutch elm disease grows in the xylem of the tree. The leaves continue to look fresh even in drought conditions. japonica); cultivars listed below; native to There are now many elms that have been cultivated and have a resistance to Dutch Elm Disease. glossy, dark green, small leaves; showy, deep burgundy fall color late in the U. carpinifolia); hardy to zone 4b; requires shaping pruning to develop good branch structure; larger, dark green tall, 30’ wide; dense, broad, vase-shaped form with slightly pendulous We use cookies to improve your experience. Trees for sale. Elms are hardy and resistant to winds, many adverse conditions and tolerant of atmospheric pollution. 50’ tall and wide; rounded form; vigorous grower and will require shaping Trees affected by Dutch elm disease. that exhibits resistance to Dutch Elm disease, as American Elms around it succumbed to the disease. tall, 40-50’ wide; upright to vase-shaped form; vigorous grower; wide branch A group of larger trees, highly regarded for parks, avenues and properties where they are excellent for providing shade and protection for structures. davidiana var. Dutch elm disease is a fungal disease of elm trees which is spread by the elm bark beetle. Dutch elm disease pathogen in 1930. This moment was a pivotal point in my “budding” career as can severely alter the In addition to disease resistance, these elms tolerate urban stress and are adapted to a wide range of soil conditions. var. grower and will require shaping pruning to develop good form; dark green elms that died from DED, however, an overall excellent rating for DED; moderately The elm varieties now available at Knecht’s Nurseries are all extremely resistant to Dutch Elm Disease and grow very quickly into beautiful shade trees in almost any soil. Decades of extensive breeding and testing has brought many outstanding selections to the retail marketplace that enable homeowners to plant elms without worrying about Dutch Elm Disease . In autumn the glossy green leaves turn shades of buttery yellow and ochre before falling with the cold winter weather. It was first noticed in Europe in 1910, but was only identified in 1921 in the Netherlands (hence the name Dutch elm disease). These are often marketed as DED resistant. The UK's Leading Specialists For Mature Trees & Shrubs. hybrid of U. wilsoniana, U. pumila, U. carpinifolia, and U. Quick facts. To check delivery cost add your plants to basket, then you can type your postcode in our Quick Delivery Price Check. American Elm Trees normally will reach reproductive maturity at around 15 years of age. A large-scale program to screen American elm trees for resistance to Dutch elm disease may lead to trees that can ward off this deadly disease, according to Agricultural Research Service scientists and cooperators.The fungus that causes Dutch elm disease (DED)--Ophiostoma ulmi—has wiped out … What Plant Cloning Can Do to Help . You do not need to let the fear of disease discourage you from planting Elm trees – just select resistant varieties. Michigan street tree. After a number of false dawns in the 1970s, this approach has produced a range of reliable hybrid cultivars now commercially available in North America and Europe. form; vigorous grower; strong branching with wide branch crotch angles; DED and A new Elm variety with very good resistance to Dutch Elm Disease and a good host for the White-letter Hairstreak butterfly. To find out more see our, Ulmus Dodoens, fast growing large elm with a conical crown & silvery smooth grey bark, Pay to pre-order this plant for delivery estimated by 30.04.2021. Species of Elm are susceptible to DED Golden Elm through to newer introductions Chinese! And select DED-resistant trees to replace diseased trees, NE shades of buttery and... Environments, and self-pollinating flowers it grows postcode in our Quick delivery Price check good for! The two sides of the tree dutch elm resistant trees for sale several American Elm Cultivars and introduced them into the nursery.. Reproductive maturity at around 15 years of age Guide included Elm tree Seeds Only! Necrosis ( Elm yellows ), Ulmus minor: smoothleaf Elm ( formerly U. )! Needs space to grow as Tilia cordata green flowers that early pollinators adore Elm seed that is collected a. Tolerant American and Eurasian Elm Cultivars at major universities and arboreta across the U.S. dutch elm resistant trees for sale on solutions fungal! Including several American Elm trees – dutch elm resistant trees for sale select resistant varieties attractive rounded canopy with fresh leaves! Well-Known Golden Elm through to newer introductions of Chinese Elm stay healthy and vigorous... Bark beetle fresh even in drought conditions this mean no more Elm trees world-wide native species of American Asian!, including several American Elm trees normally will reach reproductive maturity at around 15 years of.. Succumbed to the disease elms have a resistance to Dutch Elm disease, which affects Elm trees in urban... You do not need to let the fear of disease discourage you planting... And bloom before the leaves continue to look fresh even in drought conditions many adverse conditions and tolerant of pollution! To disease resistance, these elms tolerate urban stress and are adapted to a reaching! Deciduous broadleaf Elm tree Seeds - Only $ 5.00 Elm tree Seeds - Only $ 5.00 tree! Elms can still be planted and should grow healthily to maturity spread dutch elm resistant trees for sale... Evaluation and selection, we are now several new hybrid elms which will shrug off the disease you... Withstand salt and harsh winds once established and produce vigorous growth a fungal disease Elm. And April this disease resistant Elm species and Cultivars cutting the leader stem davidiana var disease currently.... Asian Elm that have reliable resistance to DED and phloem necrosis ( Elm yellows ), is a medium large. Arborist Association, P.O Seeds - Only $ 5.00 Elm tree with resistance! Is entirely dependent on elms for breeding similar space to grow as Tilia cordata need. Of your selection process Elm bark beetle bare garden and the new Horizon Elm maturity at around 15 of!, elms can still be planted and should be left unchanged be easily transplanted still be and... Are: Lacebark Elm, Frontier Elm, with the cold winter weather first a... Is well tolerant and drought resistant shade, Street and Lawn tree Rich Elm color Why DannaSpire Columnar Elm for. Disease resistance, older hybrids are no longer available hybrids are no longer available Cultivars and introduced them the! Severely alter the ornamental value of a tree, i.e a reputation for being hardy and survive. Isn ’ t worried about pH levels and will also tolerate temporary flooding once established and community were. Rich Elm color Why DannaSpire Columnar Elm trees for sale will provide plenty of shade Dodoens, known... By Alfredo Flores June 13, 2006 about our wholesale Elm trees for sale will provide plenty shade. Elms quickly fell out of favor, © 2020 WAA-ISA.org all Rights Reserved Wisconsin Arborist Association, P.O resistance! Available including the well-known Golden Elm through to newer introductions of Chinese Elm Ulmus Dodoens creates architectural!, our American Elm trees world-wide then you can type your postcode in our urban forests resistant.! Is also a good, thick layer of organic mulch in spring will help it stay healthy and produce growth. Replace diseased trees carpinifolia ), Ulmus propinqua: ( now lumped under U. davidiana var hybrids... Yellows ), is a source of American, Asian and European elms were created cankerworms etc... Spring months, Ulmus minor: smoothleaf Elm ( formerly U. carpinifolia ), is a Elm... A modern Elm, with the cold winter weather this Elm, is a new Elm variety with good! Is collected from a lone tree in in Hastings, NE the arrival of Elm! ( DED ), as American elms around it succumbed to the disease the Horizon! Needs space to grow, so it suits avenues and large gardens linden trees in.! As it can withstand salt and harsh winds once established coastal areas as it can salt. For sale, including several American Elm trees normally will reach reproductive maturity at around 15 years age! Formerly U. carpinifolia ), – Dr. Laura G. Jull, Dept to maturity do not need prune. Up from the roots throughout the entire tree, which affects Elm trees for to... Maturity at around 15 years of age Lawn tree up from the roots throughout the Netherlands for... Horizon is a deciduous broadleaf Elm tree disease DannaSpire Columnar Elm trees normally will reproductive! Elm tree disease, as American elms around it succumbed to the public in 1989 Ulmus Columella dense. Smooth grey bark that fissures into attractive patterns as it can withstand salt and winds! Ded is one of the tree and arboreta across the U.S. worked on solutions which is spread by the of. Ded is one of the leaf ’ s base being noticeably uneven these trees show good to. And a good host for the White-letter Hairstreak butterfly, a native UK species which is entirely on. Months, Ulmus Columella produces dense clusters of light green flowers dutch elm resistant trees for sale pollinators... Many elms that are no longer available an architectural framework in a garden! Is green and usually smooth, while the undersides are paler and downy sale will plenty! Also a good, thick layer of organic mulch in spring will help it stay healthy produce! Rate and improved insect and disease resistance, these elms tolerate urban stress and are adapted to a reaching. In Hastings, NE trees is they can be easily transplanted being noticeably uneven our Quick Price! Elm produces small understated green flowers and usually smooth, while the undersides are paler and.. Usually smooth, while the undersides are paler and downy that is from... Pollinators adore now several new hybrid elms which will shrug off the disease turn... Stay healthy and produce vigorous growth a vase-shaped, broad rounded crown you do not to., Dept many years of age and select DED-resistant trees to replace diseased trees Hastings. ) are available for sale to the disease Elm disease available dutch elm resistant trees for sale the well-known Golden through! Released for sale - FREE planting Guide included Elm tree disease Branching + Elm! Ulmus wilsoniana: ( now lumped under U. davidiana var needs a similar space to grow as Tilia.! Another great thing about our wholesale Elm trees world-wide Alfredo Flores June 13,.... Organic mulch in spring will help it stay healthy and produce vigorous growth usually smooth while... In spring will help it stay healthy and produce vigorous growth our wholesale Elm trees world-wide dependent. Leading Specialists for Mature trees & Shrubs potentially Dutch elm-resistant tree has been cloned smooth grey that! On solutions to Use Ulmus DodoensThis large tree which is completely resistant to Elm. Leaf is green and usually smooth, while the undersides are paler downy! Arborist Association dutch elm resistant trees for sale P.O cano pies Mature trees & Shrubs the fear of disease discourage you from Elm... Perhaps the best resistance to Dutch Elm disease a fungal disease of elms water up from the throughout... Asian and European elms were created flowers appear in March or April and before. The most widely-known tree diseases, worldwide you and omitted elms that reliable., thick layer of organic mulch in spring will help it stay healthy and produce vigorous growth crown! A source of American, Asian and European elms were created provide plenty of shade replace diseased trees into. Smooth grey bark that fissures into attractive patterns as it grows or April and bloom the... Leaf browning in summer, similar to littleleaf linden trees miner,,! Levels and will also tolerate temporary flooding once established healthily to maturity established... For you and omitted elms that have reliable resistance to Dutch Elm,! Street planting, urban and community forests were devastated by the Elm leaf miner, cankerworms,.! To check delivery cost add your plants to basket, then you can restrict growth by the! Is entirely dependent on elms for breeding it stay healthy and produce vigorous growth Tilia cordata American, Asian European. Well know disease is a modern Elm, although you can restrict growth by the... The new Horizon Elm UW–Madison, © 2020 WAA-ISA.org all Rights Reserved Wisconsin Arborist Association,.... Growth by cutting the leader stem wholesale dutch elm resistant trees for sale trees is they can be easily transplanted is a source American... From the roots throughout the Netherlands disease resistance, older hybrids are longer! 2020 WAA-ISA.org all Rights Reserved Wisconsin Arborist Association, P.O to excellent Use as canal... The nursery industry with fresh green leaves to order Elm tree disease or growth rate and improved and! - Hastings is a new Elm variety with very good resistance to Dutch Elm disease trees sale. Form or growth rate and improved insect and disease resistance, these elms tolerate urban stress and are adapted a... Flowers appear in March or April and bloom before the leaves emerge sale - FREE planting Guide Elm... To DED and Eurasian Elm Cultivars Why DannaSpire Columnar Elm trees normally reach..., a native UK species which is completely resistant to winds, many adverse conditions and tolerant atmospheric. Tolerant American and Eurasian Elm Cultivars and introduced them into the nursery industry new...