Hybrid parentage U. pumila × 'Belgica' Origin The Netherlands | Cultivar 'Den Haag' | |
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Similar Ulmus minor 'Purpurascens', Ulmus 'Recerta', Ulmus minor 'Schuurhoek', Ulmus minor 'Propendens', Ulmus minor 'Goodyeri' | ||
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.
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Description
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.
Pests and diseases
Although reputed to be moderately resistant to Dutch elm disease, drought, and frost, the tree has brittle branches, and is vulnerable to Coral-spot Fungus Nectria cinnabarina
Cultivation
The tree remains in commerce in the Netherlands and New Zealand. 'Den Haag' is not known to have been introduced to North America.
Notable trees
The UK TROBI Champion grows at Preston Park in Brighton, measuring 14 m high by 77 cm d.b.h. in 2009.
Etymology
The tree is named for the city of Den Haag (known as The Hague in English).