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.
Tree Ulmus × 'Morton Glossy' [sold as Triumph™] [Triumph Elm] Upright oval to vase-shaped habit with arching branches, glossy dark green summer foliage, changing to yellow in fall; hybrid between Accolade® and Vanguard™. Dutch elm disease resistant, the best habit in early age of the Morton Arboretum elms.
Tree Ulmus parvifolia [Lacebark Elm] Stunning, multi-colored mottled and exfoliating bark. Grows well under city conditions. Good resistance against Dutch elm disease, elm leaf beetle, and Japanese beetle. Slightly weak wooded, so sometimes damaged by ice storms.
Tree Ulmus parvifolia 'BSNUPF' [sold as Everclear®] [Columnar Lacebark Elm] This cultivar has a tight, columnar habit and holds this form into maturity. Stunning, multi-colored mottled and exfoliating bark. Grows well under city conditions. Good resistance against Dutch elm disease, elm leaf beetle, and Japanese beetle. Slightly weak wooded, so sometimes damaged by ice storms.
Tree Ulmus parvifolia 'Burgundy' [Burgundy Lacebark Elm] This cultivar is noted for outstanding habit and foliage. Stunning, multi-colored mottled and exfoliating bark. Grows well under city conditions. Good resistance against Dutch elm disease, elm leaf beetle, and Japanese beetle. Slightly weak wooded, so sometimes damaged by ice storms.
Tree Ulmus parvifolia 'Emer II' [sold as Allee®] [Allee Lacebark Elm] Stunning, multi-colored mottled and exfoliating bark, even on the surface roots. Tends to maintain foliage well during droughts. Grows well under city conditions. Resistant to Dutch elm disease and the elm leaf beetle.
Tree Ulmus parvifolia 'JFS-Barrett' [sold as Emerald Flair®] [Emerald Flair Elm] 'George Barrett' is a cultivar with an upright-spreading vase shape with wisps of arching branches. Its dark green leaves in summer mature into a strong red red-orange fall color. It also has large exfoliating gray bark revealing tan underneath.
