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