Areas of origin: Northern Europe.
Adult Dimensions: Height up to 20 metres (65.6'), width up to 12 metres (39.4').
Soil type: All.
Hardiness: Hardy to -36°C.
Exposure: Full sun.
Properties and uses:
The leaves of the Alnus incana are whitish grey underneath. It is a very interesting specimen to use for the reforestation of mountains where the soil is very poor.
Its natural habitat is by the river banks and marshland.
List of Alders:
• Black alder (Alnus glutinosa), can be planted in very wet areas.
• Italian alder (Alnus cordata)
• Red alder (Alnus rubra), can be planted in very wet areas.