Ulmus parvifolia 'Seiju'

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Ulmus parvifolia
NCArboretum Bonsai-27527-2.jpg
Seiju Elm bonsai
Cultivar 'Seiju'
Origin USA

The Chinese Elm cultivar Ulmus parvifolia 'Seiju' is a dwarf variety, a sport of 'Hokkaido'.[1]

Description[edit]

Seiju elm foliage.jpg

'Seiju' is described as smaller than Catlin and faster growing than Hokkaido, distinguished from the latter by its larger leaves.[2]

Pests and diseases[edit]

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola.[3]

Cultivation[edit]

The tree is commercially available in the United States and Australia where it is popular as a bonsai subject.[4] The tree was also listed in the UK until 2002.

Accessions[edit]

North America[edit]

Europe[edit]

Nurseries[edit]

North America[edit]

(Widely available)

Australasia[edit]

References[edit]

  1. ^ Santamour, Frank S.; Bentz, Susan E. (May 1995). "Updated Checklist of Elm (Ulmus) Cultivars for use in North America". Journal of Arboriculture. 21 (3): 122–131. Retrieved 20 June 2016. 
  2. ^ Photograph of 'Seiju' branch and leaves
  3. ^ "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017. 
  4. ^ Young, H. C. & Young, S. (1980), Intern. Bonsai, 2(3): 28, 1980