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Horse Chestnut vs Green Alder

Aesculus hippocastanum

Alnus crispa

Horse Chestnut
Green Alder

Horse Chestnut is a medium sized deciduous tree that is native to Greece but has been grown in North America for hundreds of years. Produces large nuts and both nuts and foliage have many medicinal uses.

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.

Green Alder is known for its smooth grey bark and attractive shiny green leaves; it is commonly used in reclamation.

HORSE CHESTNUT QUICK FACTS

GREEN ALDER QUICK FACTS

Zone: 3a
Zone: 1a
Height: 12 m (39 ft)
Height: 7 m (23 ft)
Spread: 4 m (12 ft)
Spread: 3 m (10 ft)
Moisture: normal
Moisture: any
Light: partial shade, full sun
Light: any
Fuzz/fluff: yes
Catkins: yes
Fall colour: yellow to orange
Fall colour: yellow
Nuts: large nuts within spiky capsules. Slightly poisonous to eat
Growth rate: medium
Growth rate: fast
Life span: medium
Life span: 50 years
Maintenance: medium
Maintenance: low
Suckering: none
Suckering: high
Pollution tolerance: high
Pollution tolerance: medium


In row spacing: 0.9 m (3 ft)
Between row spacing: 5 m (16 ft)

Toxicity: raw Horse Chestnut seed, leaf, bark and flower is toxic if ingested due to the presence of esculin.




Ships To Canada: yes
Ships to USA: yes
Ships To Canada: yes
Ships to USA: no