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 |
Beginner
skill rating |
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8m
max. spread |
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15m
max. height |
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20-50 years
to maturity |
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1 hour care
per year |
Botanical name: Alnus glutinosa
Other names: Black alder, European alder, Common alder, Aller
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Genus: Alnus
Species: A. glutinosa - A. glutinosa is a medium, multi-stemmed tree with glossy green leaves and male catkins. It is suitable for damp or wet soil.
Alnus glutinosa is: Deciduous
Flower: Brown in Spring
Foliage: Bright-green in Summer
Fruit: Dark-brown in Autumn
Tree shape: Broadly conical
Companion planting: Other plants that tolerate difficult situations (e.g. pollution) include birch, hawthorn, elder and willow.
Plant with:
Crocus angustifolius (Cloth-of-gold crocus)
Alnus glutinosa (Common alder) will reach a height of 15m and a spread of 8m after 20-50 years.
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Suggested uses: Hedging/Screens, Low Maintenance, Wildlife, Foliage only
Cultivation: Thrives in poor, wet conditions.
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| Soil types: |
Chalky, Clay, Loamy |
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| Soil drainage: |
Moist but well-drained, Well-drained |
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| Soil pH: |
Acid, Alkaline, Neutral |
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| Light: |
Full Sun |
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| Aspect: |
North, South, East, West |
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| Exposure: |
Exposed, Sheltered |
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| Hardiness: |
Hardy (H4) |
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Discuss Alnus glutinosa (Common alder) with other Shoot members.
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Question from
Jan Moreau
Have two Alders grown from seed - I want to plant a native hedge this autumn - could these be incorporated into the hedge?
They are about 3ft high at the moment - should I cut the leader to encourage multi stems? If so, how short?
- Views: 114
- Replies: 0
- Posted: Sun. 29th August 2010 17:11
Comment from
Miriam Mesa-Villalba
In late winter or early spring, male flowers appear as catkins. These provide early nectar for bees. Small finches like siskins, redpolls and goldfinches love alder seed.
- Views: 166
- Replies: 0
- Posted: Fri. 15th May 2009 18:56
We list 17 suppliers who tell us they sell Alnus glutinosa (Common alder). In order to see the list you'll need to either register or log in as a full member.
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