 has a graceful, vase-shaped habit resembling the American Elm "Ulmus americana" with foliage tinged red on emergence.Although resistant to Dutch elm disease in the US, is very susceptible to the elm leaf beetle "Xanthogaleruca luteola" , Japanese Beetle, and Gypsy moth; it is also moderately preferred by cankerworms.is very cold hardy; in artificial freezing tests at the arboretum  the LT50 (temp.