Alnus glutinosa 'Pyramidalis' – Alnus glutinosa 'Pyramidalis'

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Betulaceae

Alnus glutinosa 'Pyramidalis' – Alnus glutinosa 'Pyramidalis'

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Medium-sized tree with branches ascending more steeply, therefore narrower than A. glutinosa. The leaves grow to a size of approx. 10 cm, are obovate with a rounded top and are rounder than those of A. glutinosa. The stalked buds are greyish-violet and the young leaves feel sticky (glutinosa = sticky). The leaves remain on the tree for a long time in the autumn. The flowers are unremarkable, oval, female catkins approx. 5 mm long and brownish-yellow male catkins approx. 7 cm long. Strobiles appear from September onwards and remain on the tree for a long time. The tree has a strong root system, does not stand up well to hard surfaces and is well resistant to wind. Has no problems with severe pruning. Prefers moist to wet soils that are not too poor.

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Specifications
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Height
10 - 20 m
Width
4-6m
Crown
narrow spherical, half-open crown
Bark and branches
trunk grey and grooved, young twigs purplish-grey
Leaf
obovate, glossy dark green, 4 - 10 cm
Flowers
catkins, ♂ brownish yellow, ♀ oval, March/April
Fruits
ovoid strobiles, 1 - 2 cm
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
moist to wet, not too poor
Soil moisture
suitable for wet soil, withstand short flood, withstand long flood
Paving
tolerates no paving
Winter hardiness zone
3 (-40,0 to -24,5 °C)
Wind resistance
good
Other resistances
resistant to frost (WH 1 - 6), can withstand wind, resistant to de-icing salt
Application
coastal areas, industrial areas
Shape
clearstem tree
Origin
Germany, circa 1880
Clear stem tree acid soil clay soil loamy soil nutrient-poor soil peaty soil sandy soil tolerates no paving resistant to de-icing salt resistant to frost (WH 1 - 6) suitable for wet soil withstand long flood withstand short flood can withstand wind narrow conical 1st size , taller than 12 metres half-open crown green yellow March average growing Conspicuous bloom non-toxic (usually) Ornamental fruit
Frequently asked questions
Alnus glutinosa 'Pyramidalis'

Alnus glutinosa 'Pyramidalis' can eventually reach a height of 10 - 20 m, depending on the site and climate conditions.

Alnus glutinosa 'Pyramidalis' is average growing and can eventually reach a height of 10 - 20 m, depending on the site and climate conditions.

The right time to plant Alnus glutinosa 'Pyramidalis' is during the dormancy period. In Western Europe, Alnus glutinosa 'Pyramidalis' 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.

Alnus glutinosa 'Pyramidalis' blooms in march.
General