The Siberian Elm U. pumila cultivar Hansen is a little-known tree. Two specimens are grown in the UK, at the NCCPG elm collection http://www.brighton-hove.gov.uk/index.cfm?request=c1108042 held by Brighton & Hove City Council, and at the Sir Harold Hillier Gardens in Hampshire. The latter tree was planted in 1978, and had attained 8 m in height by 2002.