Alnus glutinosa
Common Alder Tree
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Common Name: Common Alder Tree
Latin Name: Alnus glutinosa
Soil: Suitable for all soil types except very chalky soils and particularly useful in damp, boggy sites.
Position: Full sun or partial shade
Flowering period/colour: March/ yellow catkins
Hardiness: Fully hardy
Height and spread in 20 years: 9m/4m
Special features: Dense, fast-growing deciduous tree with rounded, fan-shape leaves.
This medium to large sized deciduous tree has a conical growth habit and produces yellow catkins in March. The leaves are a rounded, fan-shape with toothed edges. When they first emerge they are coloured a soft orange-brown later maturing to dark green. Its natural habitat is boggy land and river banks. This is a very good tree for urban areas due to its high resistance to pollution.