| Ulmus alata 'Lace Parasol' | |
|---|---|
 Lace Parasol aged 14 years (height < 60 cm),Sir Harold Hillier Gardens, UK | |
| Species | Ulmus alata |
| Cultivar | 'Lace Parasol' |
| Origin | North Carolina, USA |
Thewinged elmcultivarUlmus alata 'Lace Parasol'[1] was found by a North Carolina nurseryman growing in local woods. Removed to his yard, it remained there until his death, when it was removed again to the North Carolina State Arboretum inRaleigh by J. C. Raulston.[1]
'Lace Parasol' is a very slow-growing, rounded, weeping form. The original tree is now over 50 years old, but remains only 10 ft (3 m.) in height and spread, resembling a matureAcer palmatum but with an ornamental bark.[2] The specimen at theSir Harold Hillier Gardens in southernEngland had attained a height of only 60 cm 14 years after it was planted in the Winter Garden. The foliage turns a vivid yellow in autumn. Trees raised for sale are usually grafts on eitherU. alata orU. parvifolia rootstock.
Owing to its diminutive height, the tree is unattractive to theScolytus beetles which act as vectors ofDutch elm disease and therefore unlikely to become infected.
The tree only known to be in commerce in the USA. A single specimen is known to be in cultivation in Europe.
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