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Green Alder vs Washington HawthornAlnus crispa Crataegus phaenopyrum SOLD OUT (new stock expected: later this season) NOT AVAILABLE THIS SEASON (we don't know if or when this product will be restocked) 
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.
Washington Hawthorn is an attractive ornamental shrub that is dense enough to plant as a privacy screen. It produces clusters of white blooms in late spring to early summer. GREEN ALDER QUICK FACTSWASHINGTON HAWTHORN QUICK FACTS
Zone:
1a
Zone:
3a
Height:
7 m (23 ft)
Height:
6 m (20 ft)
Spread:
3 m (10 ft)
Spread:
4 m (12 ft)
Moisture:
any
Moisture:
any
Light:
any
Light:
partial shade, full sun
Fuzz/fluff:
yes
Catkins:
yes
Fall colour:
orange, scarlet or purple
Berries:
small red fruits
Flowers:
white flowers in spring
Growth rate:
fast
Growth rate:
medium
Life span:
50 years
Life span:
medium
Maintenance:
low
Maintenance:
low
Suckering:
high
Suckering:
none
Pollution tolerance:
medium
Pollution tolerance:
medium
In row spacing: 0.9 m (3 ft) In row spacing: 0.9 m (3 ft)
Between row spacing:
5 m (16 ft)
Between row spacing:
5 m (16 ft)
Other Names:
mountain alder, sitka alder
Other Names:
washington thorn
Ships To Canada:
yes
Ships to USA: no
Ships To Canada:
yes
Ships to USA: yes |