Tree 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.
Tree Ulmus davidiana var. japonica 'Prospector' [Prospector Elm] 'Prospector' is a cultivar with an excellent resistance to Dutch elm disease (DED) and smaller than american varieties. It is fast growing and requires maintainance to keep its vase shape, but works well as a street tree. It has showy emerging leaves and a brilliant yellow fall color.
Tree Ulmus × 'Frontier' [Frontier Elm] Small tree that grows well under city conditions. Good Dutch elm disease resistance and moderate elm leaf beetle resistance.
Tree Ulmus × hollandica 'Groeneveld' [Groeneveld Dutch Elm] Dense, regular branching. Resistant to Dutch Elm Disease. Wind tolerant.
Tree Ulmus × hollandica 'Pioneer' [Pioneer Dutch Elm] Resistant to Dutch elm disease and phloem necrosis, but susceptible to the elm leaf beetle.
Tree Ulmus × 'Homestead' [Homestead Elm] Dutch elm and phloem necrosis resistant, but susceptible to the elm leaf beetle. 'Homestead' was formed from a cross between Ulmus minor, U. x hollandica, and U. pumila.
Tree Ulmus minor [Smoothleaf Elm] Moderate 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.