Ulmus 'Den Haag'
Encyclopedia
The hybrid cultivar
Ulmus 'Den Haag' is a Dutch development derived from a crossing of the Siberian Elm Ulmus pumila and the Belgian Elm Ulmus × hollandica 'Belgica' in 1936 by S. G. A. Doorenbos
(1891-1980), Director of Public Parks in The Hague
. .
The tree is distinguished by its pendent branches, and its foliage, which is creamy-white on emergence but turning lime-green and ultimately deep green by midsummer.
, drought, and frost, the tree has brittle branches, and is vulnerable to Coral-spot Fungus Nectria cinnabarina
. 'Den Haag' is not known to have been introduced to North America
.
Common, Portsmouth, is the larger of only two known in the UK at 19 m high, 74 cm d.b.h., and currently TROBI Champion.
Australasia
Cultivar
A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...
Ulmus 'Den Haag' is a Dutch development derived from a crossing of the Siberian Elm Ulmus pumila and the Belgian Elm Ulmus × hollandica 'Belgica' in 1936 by S. G. A. Doorenbos
Simeon Gottfried Albert Doorenbos
Simeon Doorenbos was a Dutch horticulturist best known for his work as Director of The Hague Parks Department from 1927 until his retirement in 1957, with a brief interruption during the Second World War when he was dismissed and evicted by the Nazis for refusing to remove trees and shrubs to...
(1891-1980), Director of Public Parks in The Hague
The Hague
The Hague is the capital city of the province of South Holland in the Netherlands. With a population of 500,000 inhabitants , it is the third largest city of the Netherlands, after Amsterdam and Rotterdam...
. .
Description
Pests and diseases
Although reputed to be moderately resistant to Dutch elm diseaseDutch elm disease
Dutch elm disease is a disease caused by a member of the sac fungi category, affecting elm trees which is spread by the elm bark beetle. Although believed to be originally native to Asia, the disease has been accidentally introduced into America and Europe, where it has devastated native...
, drought, and frost, the tree has brittle branches, and is vulnerable to Coral-spot Fungus Nectria cinnabarina
Nectria cinnabarina
Nectria cinnabarina is a plant pathogen that causes cankers on many tree species and also a disease known as coral spot.- External links :* *...
Cultivation
The tree remains in commerce in the Netherlands and New ZealandNew Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...
. 'Den Haag' is not known to have been introduced to North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
.
Notable trees
The specimen shown growing near the entrance to the Skate Park on SouthseaSouthsea
Southsea is a seaside resort located in Portsmouth at the southern end of Portsea Island in the county of Hampshire in England. Southsea is within a mile of Portsmouth's city centre....
Common, Portsmouth, is the larger of only two known in the UK at 19 m high, 74 cm d.b.h., and currently TROBI Champion.
Synonymy
- Ulmus 'Ieplaan': old (original?) name for Ulmus 'Den Haag'.
- Ulmus pumila 'Den Haag': various authorities.
Accessions
Europe- Brighton & HoveBrighton & HoveBrighton and Hove is a unitary authority area and city on the south coast of England. It is England's most populous seaside resort.In 1997 Brighton and Hove were joined to form the unitary authority of Brighton and Hove, which was granted city status by Queen Elizabeth II as part of the millennium...
City Council, UK, NCCPG elm collection http://www.brighton-hove.gov.uk/index.cfm?request=c1108042. Large tree in Preston ParkPreston Park, BrightonPreston Park is a park near Preston Village in the city of Brighton and Hove, East Sussex, England. It is located in Preston Park ward to the north of the centre of Brighton, and served by the nearby Preston Park railway station....
. - Grange Farm ArboretumGrange Farm ArboretumThe Grange Farm Arboretum is a small private arboretum comprising 3 hectares accommodating over 800 trees, mostly native and ornamental species or cultivars, notably oaks, ashes, walnuts and elms, growing on a calcareous loam....
, Sutton St JamesSutton St JamesSutton St James is a village and civil parish in the South Holland district of Lincolnshire, England, about south west of Long Sutton.Lying in the Lincolnshire Fens, Sutton St James did not exist at the time of Domesday Book of 1086...
, SpaldingSpalding, LincolnshireSpalding is a market town with a population of 30,000 on the River Welland in the South Holland district of Lincolnshire, England. Little London is a hamlet directly south of Spalding on the B1172 road....
, Lincs.LincolnshireLincolnshire is a county in the east of England. It borders Norfolk to the south east, Cambridgeshire to the south, Rutland to the south west, Leicestershire and Nottinghamshire to the west, South Yorkshire to the north west, and the East Riding of Yorkshire to the north. It also borders...
, UK. Acc. no. 819. - Sir Harold Hillier GardensSir Harold Hillier GardensThe Sir Harold Hillier Gardens is an arboretum comprising 72 hectares accommodating over 42,000 trees and shrubs in about 12,000 taxa, notably a collection of oaks, camellia, magnolia and rhododendron....
, RomseyRomseyRomsey is a small market town in the county of Hampshire, England.It is 8 miles northwest of Southampton and 11 miles southwest of Winchester, neighbouring the village of North Baddesley...
, HampshireHampshireHampshire is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, a historic cathedral city that was once the capital of England. Hampshire is notable for housing the original birthplaces of the Royal Navy, British Army, and Royal Air Force...
UK. Acc. no. 2008.0114
Nurseries
Europe- De Reebock http://www.dereebock.be, ZwalmZwalmZwalm is a municipality located in Flanders and in the Flemish province of East Flanders, in Belgium. The municipality comprises the towns of Beerlegem, Dikkele, Hermelgem, Hundelgem, Meilegem, Munkzwalm, Nederzwalm, Paulatem, Roborst, Rozebeke, Sint-Blasius-Boekel, Sint-Denijs-Boekel and...
, BelgiumBelgiumBelgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...
.
Australasia
- Big Trees http://www.bigtree.co.nz/catalogue%20April%2006.pdf, NelsonNelson, New ZealandNelson is a city on the eastern shores of Tasman Bay, and is the economic and cultural centre of the Nelson-Tasman region. Established in 1841, it is the second oldest settled city in New Zealand and the oldest in the South Island....
, New ZealandNew ZealandNew Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...