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Green Alder vs Andrew HazelnutAlnus crispa Corylus heterophylla Het 1 SOLD OUT NOT AVAILABLE THIS SEASON 
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.
Andrew Hazelnut is a northern cultivar that is grown specifically for its cold hardiness. Typically, hazelnuts produce smaller nuts in colder climates, but for Andrew Hazelnut, this is not the case. GREEN ALDER QUICK FACTSANDREW HAZELNUT QUICK FACTS
Zone:
1a
Zone:
4a
Height:
7 m (23 ft)
Height:
2.7 m (9 ft)
Spread:
3 m (10 ft)
Spread:
2.4 m (8 ft)
Moisture:
any
Moisture:
normal
Light:
any
Light:
partial shade
Hybrid:
yes
Fuzz/fluff:
yes
Fuzz/fluff:
no
Catkins:
yes
Catkins:
yes
Nuts:
medium, 2cm diameter
Growth rate:
fast
Growth rate:
medium
Life span:
50 years
Life span:
medium
Maintenance:
low
Maintenance:
medium
Suckering:
high
Suckering:
low
Pollution tolerance:
medium
Pollution tolerance:
medium
In row spacing: 0.9 m (3 ft)
Between row spacing:
5 m (16 ft)
Other Names:
mountain alder, sitka alder
Ships To Canada:
yes
Ships to USA: no
Ships To Canada:
yes
Ships to USA: yes |