Black Alder - Free

Alnus glutinosa

Out of stock

Black Alder
Family : 
Betulaceae
Origin : 
Indigenous
Hardiness : 
4a
Exposition : 
Full sun or partial shade
Height at maturity : 
14 m
Spread at maturity : 
8 m
Spacing requirement from power lines : 
8 m
Crown shape : 
Oval or pyramidal
Roots : 
Superficial
Growth rate : 
Fast
Soil and moisture : 
Various, but prefers moist soil.
Tolerance to la pollution : 
High
Tolerance to road salt : 
Low
Tolerance to spray salt : 
Low
Tolerance to compaction  : 
Average
Special comments : 
Hardy, undemanding; Appropriate in unfavorable and marshy environments and to stabilize soils on banks and slopes.

LEAVES

Round to oval, pale green when leafing;
Summer: dark green;
Fall: green.

 

 

FLOWERS

Catkins before leafing;
Colour: yellowish;
Season: spring.

FRUITS

Hanging cones or strobili, persisting in winter;
Colour: brown when ripe;
Season: fall.

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