Accolade Elm Landscaping Trees

Basic Info:

Throughout America, Accolade Elms are one of the most vigorously growing landscaping trees . They are a large-maturing hybrid with the classic, vase shape like the American Elm. But, they are much more compact in structure. When Dutch Elm Disease (DED) destroyed most of the elms lining American streets, it was feared that the American elm would never be replaced. As a result, this selection of landscaping trees were perfect because of their excellent DED and Elm Leaf Beetle resistance..

Preferences:

When planting, Accolade Elms like an average, medium moisture, well-drained soils in full sun. But, it is tolerant of light shade, and prefers rich, moist loams. They are adapting to both wet and dry sites. Therefore it is generally tolerant of urban conditions. Regular pruning and spraying is advisable.

In Depth:

Selected from the collections of the Morton Arboretum in Lisle Illinois. They have graceful, vase like American Elm shape, with dark green and glossy foliage. In addition, it has excellent disease and pest resistance, drought tolerance, and wonderful yellow fall color. There is a 20 year old Accolade Elm tree at the Morton Arboretum in Illinois. It is 60′ in height with approximately a 40′ spread and is known for its beautiful fall color. It is perfect for streets and pathways, although, it can be used as a shade tree.

Ulmus ‘Morton’ (selling name Accolade) is an elm cloned from a hybrid planted at the Morton Arboretum in 1924. But, it originated as seed collected from a tree at the Arnold Arboretum in Massachusetts. This tree was originally identified as a Cedar Elm. However, it is now believed to have been a hybrid of the Japanese Elm and Wilson’s Elm.

 

ALSO SEE: Princeton Elm

Accolade Elm

Botanical name: Ulmus davidiana var. japonica ‘Morton’
All Common Names: Accolade™ Elm
Family (English): Elm
Family (Botanic): Ulmaceae
Foliage: Deciduous (seasonally loses leaves)
Height: 70′
Spread: 40-50
Shape: Upright, spreading
Exposure: Full Sun
Foliage: Deep green
Fall Foliage: Golden yellow
Zone: 4-7

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Accolade Elm Landscaping Trees