Alnus incana
Grey Alder, Speckled Alder
A really hardy and tough medium tree, capable of coping with cold, wet soils and exposed situations.
Available variants and pricing
Alnus incana
Height: 8-10cm
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Alnus incana
Height: 10-12cm
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Alnus incana
Height: 12-14cm
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Alnus incana
Height: 14-16cm
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Alnus incana
Height: 16-18cm
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Description
A really hardy and tough medium tree, capable of coping with cold, wet soils and exposed situations.
Grey alder is a fast grower well suited to industrial areas and street plantings.
Its pointed grey leaves readily distinguish it from Alnus glutinosa.
Introduced from Europe in the 1780s it does best on calcareous soils and tolerates air pollution.
In the recent past the North American tree bearing the same generic name has been changed to Alnus rugosa to avoid confusion amongst well travelled tree enthusiasts.
Profuse pink/yellow catkins are produced just prior to spring.
Mature height: 117-22m
Mature spread: 4-8m
Specifications
Common names
Grey Alder, Speckled Alder
Mature size
Medium
Tree type
Deciduous Broad Leaf
Soil type
Clay soil, Will tolerate most soil types
Shape
Pyramidal
Tree features
Catkins, Cones/Seedpods/Samara fruits
Growth rate
Moderate
Tolerances
Wind tolerant, Wet soil, Coastal, Pollution tolerant
Tree uses
Cold Exposed Sites, Damp Sites, Parkland, Urban
Seasons of interest
Summer Interest