Alnus crispa
Green Alder is a cold hardy, native shrub. It is often planted on infertile sites so it can fix nitrogen from the air and improve the soil quality.
Green Alder is known for its smooth grey bark and attractive shiny green leaves; it is commonly used in reclamation.
QUICK FACTS
Zone: 1a
Height: 7 m (23 ft)
Spread: 3 m (10 ft)
Moisture: any
Light: any
Fuzz/fluff: yes
Catkins: yes
Growth rate: fast
Life span: short
Maintenance: low
Suckering: high
Pollution tolerance: medium
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