Small tree with upright main branch creating a narrow ovate crown. Grows slower than the A. incana and forms a compact crown. The trunk is orange brown and the young twigs are strikingly yellow to orange, in winter also orange brown. In contrast to A. glutinosa, A. incana does not have sticky parts. The alternate leaves are ovoid and acuminate and have toothed margins. The underside is hairy to tomentose. The spring colour is strikingly yellow, in summer the leaf turns to light green. This tree is much more common than the A. glutinosa 'Aurea' that also has yellow leaves. The strobiles appear from September onwards and give the tree a decorative look all winter. The tree has a deep rooting main root, but remains more shallow than the A. glutinosa. Intolerant to hard surfaces.
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usually not toxic to people, (large) pets and livestock
Soil type
tolerant to dry soils, calcicole
Soil moisture
suitable for dry soil, withstand short flood, withstand long flood
Paving
tolerates no paving
Winter hardiness zone
2 (-45,5 to -40,1 °C)
Wind resistance
good, susceptible to sea wind
Other resistances
resistant to frost (WH 1 - 6), can withstand wind, resistant to de-icing salt
Application
tree containers, roof gardens, industrial areas
Shape
clearstem tree, multi-stem treem
Origin
Germany, 1892
Clear stem treeMulti-stem treecalcareous soilclay soilloamy soilsandy soiltolerates no pavinglight-lovingresistant to de-icing saltresistant to frost (WH 1 - 6)suitable for dry soilwithstand long floodwithstand short floodcan withstand windovoid/egg-shaped2nd size, between 6 and 12 metreshalf-open crownyellowvioletMarchaverage growingConspicuous bloomnon-toxic (usually)Ornamental fruit
Frequently asked questions
Alnus incana 'Aurea'
Alnus incana 'Aurea' can eventually reach a height of 5 - 10 m, depending on the site and climate conditions.
Alnus incana 'Aurea' is average growing and can eventually reach a height of 5 - 10 m, depending on the site and climate conditions.
The right time to plant Alnus incana 'Aurea' is during the dormancy period. In Western Europe, Alnus incana 'Aurea' 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.