Italian Alder

Italian Alder

Common name   Italian Alder
Botanical name   Alnus Cordata
Details   Fast, deep-rooted, nitrogen-fixing tree.  Moderate drought tolerance.  Trims well, excellent shelter for native under-story. Popular for horticultural shelterbelts and soil conservation on hill country. Roots penetrate deeply and so do not spread sideways into valuable crops.
Deciduous. Holds leaves from September to June.  Cold hardy after first season.
Space at 1.5-4m centres for shelter.
Family   Betulaceae
Date   July 06, 2010
Height (m)   25
Drought tolerance  
Nitrogen fixer  
Shade / Sun   Full sun
Wind tolerance   Moderate

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Nitrogen fixing plant species suited to temperate climate such as North Canterbury New Zealand

Nitrogen fixing plant species suited to temperate climate such as North Canterbury New Zealand

Nitrogen is an essential element for plant growth. Certain plants have a useful ability to capture nitrogen from the atmosphere. This is often achieved through symbiotic relationship with fungi in the root zone. Being able access unlimited nitrogen allows these plants to grow quickly while also making some available to surrounding plants. The practical reality is that including nitrogen fixing plants of various shapes and sizes amongst other productive plantings improves overall health, vigour and fertility,

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Shelter  Ornamental  Fuel  Timber  Coppice  Erosion Control  Attractive  Ground Durable  Non-poisonous