 However, foliage can be heavily to severely damaged by the Elm Leaf Beetle "Xanthogaleruca luteola" 

Noted for its tolerance of poor soils, pollution, and drought, 'Urban' was one of a number of elm hybrids assessed by the Forestry Commission in the UK in the 1970s; half a dozen trees were among a batch of elms donated by the Commission in 1981 to reinforce a shelter belt at the Royal Bath & West showground south of Shepton Mallet .All these trees initially grew strongly on the heavy clay loam, attaining > 8 m in height in seven years.However, at this age, one died of Dutch Elm Disease whilst four others exhibited weakness at the root and fell in gales in later years.