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Green Alder vs Black WalnutAlnus crispa Juglans nigra SOLD OUT
SAVE UP TO 23% 
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.
The Black Walnut is a slow growing, large, straight-stemmed tree with an open crown. It produces dense, very hard, edible nuts. Note: Although self-pollinating, planting two trees significantly improves nut production. GREEN ALDER QUICK FACTSBLACK WALNUT QUICK FACTS
Lowest Price:
$19.99
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SAVE UP TO 23%
Zone:
1a
Zone:
3a
Height:
7 m (23 ft)
Height:
14 m (45 ft)
Spread:
3 m (10 ft)
Spread:
9 m (30 ft)
Moisture:
any
Moisture:
dry, normal
Light:
any
Light:
partial shade, full sun
Fuzz/fluff:
yes
Catkins:
yes
Growth rate:
fast
Growth rate:
slow
Life span:
50 years
Life span:
long
Maintenance:
low
Suckering:
high
Suckering:
low
Pollution tolerance:
medium
Pollution tolerance:
high
In row spacing: 0.9 m (3 ft)
Between row spacing:
5 m (16 ft)
Other Names:
mountain alder, sitka alder
Other Names:
american walnut
Ships To Canada:
yes
Ships to USA: no
Ships To Canada:
yes
Ships to USA: yes |