Tree Ulmus × '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.
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 'George 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.
Tree Ulmus parvifolia 'UPMTF' [sold as Bosque®] [Bosque 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, sometimes damaged by ice storms.
Tree Ulmus × 'Patriot' [Patriot Elm] 'Patriot' is a cultivar with high resistance to elm leaf beetles and Dutch elm disease. It also has some resistance to elm yellows. It has green leaves that have a glossy texture and turn yellow in the fall. It is used many times as a street tree due to its fast-growing nature and its road salt tolerance.
Tree Ulmus pumila [Siberian Elm] Grows under almost any conditions, especially useful in dry sites. Resists Dutch elm disease. Leaf beetles can defoliate trees. Brittle branches and subsequently messy. Avoid planting this tree in the landscape, unless there is no other choice. Considered invasive in many areas.