Additional information for Italian Alder

Italian Alder

Common name  Italian Alder
Botanical name  Alnus Cordata
Family  Betulaceae
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.
Date  July 06, 2010
Height (m)  25
Drought tolerance  
Nitrogen fixer  
Shade / Sun  Full sun
Wind tolerance  Moderate

 Belongs to the following Article

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,