 However, two trees included in trials at the University of Minnesota were found to be afflicted by the disease in 2004, although one appears to have recovered completely.The cultivar has also proved to be highly resistant to elm yellows and the elm leaf beetle "Xanthogaleruca luteola"  , but not to the Japanese beetle, which can cause extensive foliar damage.is reputed to grow well in almost all soils save those excessively wet, and is notably drought-tolerant and cold hardy.