Zelkova serrata 'Urban Ruby' – Zelkova serrata 'Urban Ruby'

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Ulmaceae

Zelkova serrata 'Urban Ruby' – Zelkova serrata 'Urban Ruby'

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'Urban Ruby' is a medium-sized tree with a vase-shaped crown of 10-12 m in height. As with the species Z. serrata, the grey-brown bark peels off after a few years, revealing the orange-brown underbark. The tips of the young branches are slightly overhanging, giving the tree a graceful habit. The ovoid to oblong leaves are up to 9 cm long and dark green. The most striking feature of 'Urban Ruby' is that the young leaves are dark red. In autumn, the leaves turn bronze red to orange-red. Flowering is insignificant and the small, bean-shaped fruits are not very striking either.
'Urban Ruby' is a lovely park tree, but also suitable for use in wide avenues and greenbelts. The fact that the tree grows slightly less vigorously than the species Z. serrata is an advantage. The tree grows in any humous, loamy soil, provided it is sufficiently moist.
'Urban Ruby' was introduced by Hanno Hardijzer from Boskoop before 1993. Hardiness zone 6a.
Availability
Clear stem (4)
Specifications
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Height
10-12 m
Width
5-6m
Crown
vase-shaped, half-open crown, capricious growing
Bark and branches
flaking, grey, orange
Leaf
green
Autumn colour
yellow, orange, red
Flowers
green, flowers in May-June
Fruits
green, brown
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
clayed soil, loamy soil, sandy soil, peaty soil
Paving
tolerates paving
Winter hardiness zone
6a (-23,3 to -20,6 °C)
Wind resistance
moderate
Other resistances
resistant to frost (WH 1 - 6)
Application
avenues and broad streets, tree containers
Shape
clearstem tree, multi-stem treem
Clear stem tree Multi-stem tree clay soil loamy soil peaty soil sandy soil tolerates paving resistant to frost (WH 1 - 6) vase-shaped 1st size , taller than 12 metres half-open crown green green average growing all species Attractive autumn colour non-toxic (usually) Capricious growing playground tree
Frequently asked questions
Zelkova serrata 'Urban Ruby'

Zelkova serrata 'Urban Ruby' can eventually reach a height of 10-12 m, depending on the site and climate conditions.

Zelkova serrata 'Urban Ruby' is average growing and can eventually reach a height of 10-12 m, depending on the site and climate conditions.

The leaves of Zelkova serrata 'Urban Ruby' turn yellow, orange, red in autumn.

The right time to plant Zelkova serrata 'Urban Ruby' is during the dormancy period. In Western Europe, Zelkova serrata 'Urban Ruby' with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Zelkova serrata 'Urban Ruby' blooms in april, may.
General