Ulmus parvifolia 'Seiju'

The Chinese Elm cultivar Ulmus parvifolia 'Seiju' is a dwarf variety, a sport of 'Hokkaido'.

Description
'Seiju' is described as smaller than Catlin and faster growing than Hokkaido, distinguished from the latter by its larger leaves.

Pests and diseases
The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola.

Cultivation
The tree is commercially available in the United States and Australia where it is popular as a bonsai subject. The tree was also listed in the UK until 2002.

North America

 * Bartlett Tree Experts, US. Acc. no. 2004–519
 * Missouri Botanical Garden, St. Louis, Missouri, US. Acc. nos. 1999–1924, 1999–1925, 2003–2731.
 * Smith College, US. Acc. no. 29788

Europe

 * Grange Farm Arboretum, Sutton St. James, Spalding, Lincs., UK. Acc. no. 836.

North America
(Widely available)

Australasia

 * Yamina Rare Plants, Monbulk, Melbourne, Australia.