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Plant Detail

Black Alder

Scientific name	Alnus glutinosa
Common name	Black Alder
Type	Trees
Variety	Deciduous
USDA Zone hardiness	4a - 7b
Exposure	Full sun
Height	40 to 50'
Spread	30 to 40'

Rapid growing European native thrives in truly wet soil. The grayish brown bark is complemented by nutlets that mature in October and persist in pistillate catkins over winter. A good choice where a large windbreak is needed, clumps have 2 or more stems.