Plants

Ulmus alata

[Winged Elm]

Ulmus americana

[American Elm]

American Elm, also known as White, Gray, Water, or Swamp Elm. Previously, a common street tree but the Dutch elm disease killed many trees. Although, with maintenance programs some trees are able to hold back the disease.

Ulmus americana 'Jefferson'

[Jefferson Elm]

'Jefferson' is a cultivar with ovate-elliptic dark green leaves that are asymetrical at the base and are toothed at its margins.

Ulmus americana 'New Harmony'

[New Harmony Elm]

'New Harmony' is a cultivar of American elm, it has a vigerous growth rate and a more narrow vase shape than other varieties. It has great disease tolerance of Dutch Elm Disease (DED).

Ulmus americana 'Princeton'

[Princeton American Elm]

This American Elm cultivar retains the attractive vase-shaped form that the American Elm is known for and has some resistance to both the elm leaf beetle and Dutch Elm Disease, which is caused by Ophiostoma ulmi. (Dutch Elm Disease has lead to the near extinction of the American Elm in the US). Many other diseases can cause damage to this cultivar, though.

Ulmus americana 'Valley Forge'

[Valley Forge American Elm]

This cultivar has the classic vase-like form and ascending branches that the American elm is know for, while also having the best Dutch elm disease resistance of the new "Dutch elm resistant" cultivars. Important to stake when young.

Ulmus davidiana var. japonica 'JSF-Bieberich' [sold as Emerald Sunshine®]

[Emerald Sunshine® Elm]

This cultivar has gray bark that plates with age. Its leaves are a soft lime green when first emerging than darken to a deep glossy green.

Ulmus davidiana var Japonica 'Morton' [sold as Accolade®]

[Accolade Elm]

Very good resistance to the Dutch elm disease pathogen, Ophiostoma ulmi, which has led to the near extinction of the American Elm (Ulmus americana) in the U.S. Also has good resistance against phloem necrosis, elm leaf beetle, and leaf miner.

Ulmus davidiana var. japonica 'Prospector'

[Prospector Elm]

'Prospector' is a cultivar with excellent resistance to Dutch elm disease (DED) and is smaller than American varieties. It is fast-growing and requires maintenance to keep its vase shape, but it works well as a street tree. It has showy emerging leaves and a brilliant yellow fall color.

Ulmus × hollandica 'Groeneveld'

[Groeneveld Dutch Elm]

Dense, regular branching. Resistant to Dutch Elm Disease. Wind tolerant.