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Italian Alder*

Alnus cordata

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Italian Alder (Alnus cordata) at Alsip Home and Nursery

Italian Alder

Italian Alder

(Photo courtesy of NetPS Plant Finder)

Italian Alder (Alnus cordata) at Alsip Home and Nursery

Italian Alder fruit

Italian Alder fruit

(Photo courtesy of NetPS Plant Finder)

* This is a "special order" plant - contact store for details

Height:  45 feet

Spread:  25 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  5

Description:

One of the most refined of the alders, having a strong pyramidal shape; a good general purpose landscape tree where this shape is called for

Ornamental Features

Italian Alder has forest green foliage throughout the season. The oval leaves do not develop any appreciable fall color. Neither the flowers nor the fruit are ornamentally significant.

Landscape Attributes

Italian Alder is a deciduous tree with a distinctive and refined pyramidal form. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This is a relatively low maintenance tree, and is best pruned in late winter once the threat of extreme cold has passed. It has no significant negative characteristics.

Italian Alder is recommended for the following landscape applications;

  • Shade
  • Vertical Accent

Planting & Growing

Italian Alder will grow to be about 45 feet tall at maturity, with a spread of 25 feet. It has a high canopy with a typical clearance of 6 feet from the ground, and should not be planted underneath power lines. As it matures, the lower branches of this tree can be strategically removed to create a high enough canopy to support unobstructed human traffic underneath. It grows at a fast rate, and under ideal conditions can be expected to live for 50 years or more.

This tree does best in full sun to partial shade. It is quite adaptable, prefering to grow in average to wet conditions, and will even tolerate some standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This species is not originally from North America.

 

* This is a "special order" plant - contact store for details

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Shade  Articulation 
Applications
Plant Form 
Ornamental Features