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Ulmus 'TRIUMPH'

Ulmus 'TRIUMPH'

TRIUMPH™ elm

synonym Ulmus 'Morton Glossy'

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Description

Ulmus ‘TRIUMPH’ (TRIUMPH elm, synonym: Ulmus ‘Morton Glossy’) was cross-bred by the Morton Arboretum in Illinois, United States in 1998. The tree was created by crossing Ulmus ‘ACCOLADE’ and Ulmus ‘VANGUARD’, which are also cultivars of the Morton Arboretum. Ulmus ‘TRIUMPH’ grows very upright and has a symmetrical, oval habit, which is similar to the appearance of Ulmus americana. The ‘TRIUMPH’ selection reaches a height between 15 - 18 metres and a width of 10 - 12 metres. As the tree ages, the outermost branches grow into elegant curves. That makes the oval habit more vase-shaped. 

In late March, early April, Ulmus ‘TRIUMPH’ blooms discrete, yellow flower racemes. After blooming, it produces small, oval fruits called samaras. The large, oval, beautiful glossy leaves bud red, then turn a deep dark green and then yellow in autumn. The leaves of the TRIUMPH selection bud early, before most other elm trees. But the tree also drops its leaves early on in autumn, around mid-October. The furrowed, grey-brown bark peels off later on.

The ‘TRIUMPH’ cultivar can handle strong (coastal) winds and cold, air pollution and salt spray. It is a real street, avenue and park tree, but the TRIUMPH elm is also great for use as a standard tree in large gardens. Ulmus ‘TRIUMPH’ is an elm disease-resistant selection which can easily be propagated by cuttings and furthermore is also often grafted on Ulmus pumila: an elm disease-resistant species. The tree has few soil requirements, but prefers to grow in richer clay soil. The ‘TRIUMPH’ selection is easy to transplant and grows on very well. For the best growth, position the Ulmus ‘TRIUMPH’ in sun or partial shade.

Types of planting

Tree types

standard trees shade trees

Topiary on stem

fval pollard fval vase fval espalier fval pleached

Use

Location

street avenue square park central reservation large garden cemetery traffic areas, industrial zones countryside windbreak coastal area

Pavement

none none open open sealed sealed

Planting concepts

solid planting

Characteristics

Crown shape

ovoid ovoid

Crown structure

semi-open semi-open

Height

15 - 18 m

Width

10 - 12 m

Winter hardiness zone

5A - 9B

Aspects

Wind

tolerant to wind tolerant to coastal wind

Soil

loess sabulous clay heavy clay light clay loamy soil

Nutrient level

moderately rich in nutrients rich in nutrients

Soil moisture level

dry moist wet

Light requirements

sun partial shade

pH range

acidic neutral alkaline

Extreme environments

tolerant to salt spray tolerates air pollution resistant to dutch elm disease 5

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Order this plant? Or would you like further information about Ulmus 'TRIUMPH'? Make an appointment for a detailed planting recommendation.
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Photos

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high-stem standard tree
Ulmus 'TRIUMPH' standard tree
high-stem standard tree
Ulmus 'TRIUMPH' standard tree
high-stem standard tree
Ulmus 'TRIUMPH' standard tree
high-stem standard tree
Ulmus 'TRIUMPH' standard tree
high-stem standard tree
Ulmus 'TRIUMPH' standard tree
high-stem standard tree
Ulmus 'TRIUMPH' standard tree
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
leaves leaves
Ulmus 'TRIUMPH' leaves
bark bark
Ulmus 'TRIUMPH' bark
bark bark
Ulmus 'TRIUMPH' bark
bark bark
Ulmus 'TRIUMPH' bark
bark bark
Ulmus 'TRIUMPH' bark
twigs twigs
Ulmus 'TRIUMPH' twigs
twigs twigs
Ulmus 'TRIUMPH' twigs
twigs twigs
Ulmus 'TRIUMPH' twigs

Flowers

Flowers

raceme discrete

Flower colour

yellow

Flowering period

March - April

Leaves

Leaf colour

dark green

Leaves

ovoid big polished serrate

Autumn colour

yellow

Fruits

Fruit colour

pale brown

Fruits

winged nut

Bark

Bark colour

grey-brown

Bark

peeling furrowed

Twigs

Twig colour

grey

Twigs

vertical branches thickly branched

Root system

Root system

deep extensive highly branched on own root

For and by green professionals

The TreeEbb is a platform for and by green professionals, in which we collect knowledge and experience from the sector and make this available for users. All the details and photos are free to use for non-commercial purposes. Want to share your tree knowledge? Send photographs and additional information to treeebb@ebben.nl

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Winter hardiness

A plant's winter hardiness is the coldest area in which it is frost-resistant. This is based on the average annual minimum temperature. Winter hardiness zones are thirteen different frost zones in steps of 5.5 degrees Celsius. This format is an international standard for the hardiness of plants. The zones in which the plant is frost-resistant are always included in the description of trees and other vegetation.

Winter hardiness is a genetic characteristic and is not influenced by the location in which the plant is cultivated. This means that a plant that has been cultivated for many years in winter-hardiness zone 6 but has a winter hardiness of 3 is perfectly suited for replanting in a colder zone. It will thrive there thanks to its genetic characteristics.

When choosing planting for a project, the winter hardiness of the plants is extremely important. By choosing species that match the zone in which the project is being created, it is possible to ensure that plants can withstand the minimum temperature in that area.

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