Ulmus ACCOLADE ('Morton') – Ulmus ACCOLADE ('Morton')

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Ulmaceae

Ulmus ACCOLADE ('Morton') – Ulmus ACCOLADE ('Morton')

View prices and availability
Large tree up to 20 m with a vase-shaped crown that later becomes broadly vase-shaped. The brown-grey bark is slightly grooved. At 3.5 to 6 cm long, the leaf is relatively small. It is inverted ovoid and glossy dark green. In autumn, it turns golden yellow to brownish yellow. The tree originated from a cross between Ulmus japonica, formerly known as Ulmus davidiana var. japonica, and Ulmus wilsoniana. In 1924, the Morton Arboretum obtained seed from the famous Arnold Arboretum in Massachusetts. This gave rise to Ulmus 'Morton'. For a long time, nothing was done with the tree, until it proved to be resistant to Dutch elm disease. With assisted pruning, it is also suitable for use in streets.

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Specifications
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Height
5 - 6 m
Width
15-18m
Crown
broad vase-shaped, half-open crown, capricious growing
Bark and branches
twigs brown-green, bark brown-grey, slightly grooved
Leaf
obovate, glossy dark green, 3.5 - 6 cm
Autumn colour
yellow
Flowers
flat winged nuts
Fruits
Morton Arboretum, Lisle, Illinois, United States, circa 1998
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
all, if sufficiently moisturised
Soil moisture
suitable for dry soil, withstand short flood
Paving
tolerates paving
Winter hardiness zone
5 (-28,8 to -23,4 °C)
Wind resistance
fair to good
Other resistances
resistant to frost (WH 1 - 6), can withstand wind
Application
avenues and broad streets
Shape
clearstem tree
Origin
Grote boom tot 20 m met een vaasvormige kroon die later breed vaasvormig wordt. De bruingrijze bast is iets gegroefd. Het blad is met een lengte van 3,5 tot 6 cm relatief klein. Het is omgekeerd eivormig en glanzend donkergroen. In de herfst kleurt het goudgeel tot bruingeel. De boom ontstond uit een kruising tussen Ulmus japonica, voorheen bekend als Ulmus davidiana var. japonica, en Ulmus wilsoniana. In 1924 verkreeg het Morton Arboretum zaad van het befaamde Arnold Arboretum in Massachusetts. Hieruit ontstond Ulmus 'Morton'. Lange tijd werd er niets met de boom gedaan, totdat bleek dat deze een goede resistentie tegen iepziekte toonde. Door begeleidingssnoei ook geschikt voor toepassing in straten.
Synonyms
Ulmus davidiana 'Morton', Ulmus japonica 'Morton'
Clear stem tree calcareous soil loamy soil peaty soil sandy soil tolerates paving resistant to frost (WH 1 - 6) suitable for dry soil withstand short flood can withstand wind broad vase-shaped 1st size , taller than 12 metres half-open crown green green average growing Attractive autumn colour non-toxic (usually) Capricious growing Tree for the future
Frequently asked questions
Ulmus ACCOLADE ('Morton')

Ulmus ACCOLADE ('Morton') can eventually reach a height of 5 - 6 m, depending on the site and climate conditions.

Ulmus ACCOLADE ('Morton') is average growing and can eventually reach a height of 5 - 6 m, depending on the site and climate conditions.

The leaves of Ulmus ACCOLADE ('Morton') turn yellow in autumn.

The right time to plant Ulmus ACCOLADE ('Morton') is during the dormancy period. In Western Europe, Ulmus ACCOLADE ('Morton') with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Ulmus ACCOLADE ('Morton') blooms in march.
General