Ulmus americana 'Valley Forge' – Ulmus americana 'Valley Forge'

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Ulmaceae

Ulmus americana 'Valley Forge' – Ulmus americana 'Valley Forge'

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This tree shows a distinctive V-shaped branching pattern even when young. This gives the tree a broad vase-shaped crown which, moreover, is characteristic of Ulmus americana. ‘Valley Forge’ grows to 10 to 15 m tall and wide. It requires regular pruning due to the somewhat wild growth. The grey-brown bark is slightly grooved. The dark green leaf is obovate and 6 to 12 cm long. The autumn colour is golden-yellow to brown-yellow. The tree was introduced from research into resistance to Dutch elm disease. More recent research however indicates that its resistance is limited and its susceptibility is comparable to that of ‘Princeton’. The broad crown and wild growth make it less suitable as an avenue tree. Unusually hardy.

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Specifications
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Height
10 - 15 m, fast growing
Crown
broad vase-shaped, half-open crown, capricious growing
Bark and branches
twigs brown-green, bark grey-brown, slightly grooved
Leaf
obovate, dark green, 6 - 12 cm
Autumn colour
yellow
Flowers
in dense clusters, reddish green, March/April
Fruits
flat winged nutlets, round, green, sometimes slightly red
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
fertile, moist and airy, tolerates limy soil
Soil moisture
suitable for wet soil, withstand short flood
Paving
tolerates paving
Winter hardiness zone
3 (-40,0 to -24,5 °C)
Wind resistance
fairly
Other resistances
resistant to frost (WH 1 - 6)
Application
avenues and broad streets
Origin
U.S. National Arboretum, Washington, DC, USA, 1995
calcareous soil loamy soil peaty soil sandy soil tolerates paving resistant to frost (WH 1 - 6) suitable for wet soil withstand short flood broad vase-shaped 1st size , taller than 12 metres half-open crown green orange/red March fast growing Conspicuous bloom Attractive autumn colour non-toxic (usually) Capricious growing
Frequently asked questions
Ulmus americana 'Valley Forge'

Ulmus americana 'Valley Forge' can eventually reach a height of 10 - 15 m, fast growing, depending on the site and climate conditions.

Ulmus americana 'Valley Forge' is fast growing and can eventually reach a height of 10 - 15 m, fast growing, depending on the site and climate conditions.

The leaves of Ulmus americana 'Valley Forge' turn yellow in autumn.

The right time to plant Ulmus americana 'Valley Forge' is during the dormancy period. In Western Europe, Ulmus americana 'Valley Forge' 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 americana 'Valley Forge' blooms in march.
General