Ulmus ×hollandica 'Pioneer' – Ulmus ×hollandica 'Pioneer'

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Ulmaceae

Ulmus ×hollandica 'Pioneer' – Ulmus ×hollandica 'Pioneer'

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Ulmus hollandica 'Pioneer' is a fast-growing American selection that is fairly resistant to Dutch elm disease. It has a spherical crown and grows to a height of 15 - 18 m. 'Pioneer' has dense foliage, which gives it a closed crown. The twigs are light grey with green stripes. The large, glossy, dark green leaves measure 9 - 15 cm and are elongated in shape. The leaf edge is double-serrated. The yellow leaves remain on the tree for a long time in the autumn. Winter hardiness zone: 5a
Availability
Clear stem (3)
Specifications
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Height
15-18 m
Width
10-15m
Crown
round/spherical, dark, dense crown
Bark and branches
grey
Leaf
green
Autumn colour
yellow
Flowers
redviolet, flowers in March
Fruits
grey, brown
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
clayed soil, loamy soil, sandy soil, calcareous soil
Soil moisture
suitable for wet soil, withstand short flood
Paving
tolerates paving
Winter hardiness zone
5a (-28,8 to -26,1 °C)
Wind resistance
good
Other resistances
resistant to frost (WH 1 - 6), can withstand wind
Application
avenues and broad streets, coastal areas, industrial areas
Shape
clearstem tree
Clear stem tree calcareous soil clay soil loamy soil sandy soil tolerates paving resistant to frost (WH 1 - 6) suitable for wet soil withstand short flood can withstand wind 1st size , taller than 12 metres dense crown green orange/red average growing Attractive autumn colour non-toxic (usually) Tree for the future
Frequently asked questions
Ulmus ×hollandica 'Pioneer'

Ulmus ×hollandica 'Pioneer' can eventually reach a height of 15-18 m, depending on the site and climate conditions.

Ulmus ×hollandica 'Pioneer' is average growing and can eventually reach a height of 15-18 m, depending on the site and climate conditions.

The leaves of Ulmus ×hollandica 'Pioneer' turn yellow in autumn.

The right time to plant Ulmus ×hollandica 'Pioneer' is during the dormancy period. In Western Europe, Ulmus ×hollandica 'Pioneer' 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.

Ulmus ×hollandica 'Pioneer' blooms in march.
General