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Sienna GlenĀ® Maple

Acer x freemanii 'Sienna'

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Sienna GlenĀ® Maple (Acer x freemanii 'Sienna') at Gertens

Sienna GlenĀ® Maple

Sienna GlenĀ® Maple

(Photo courtesy of NetPS Plant Finder)

Sienna GlenĀ® Maple (Acer x freemanii 'Sienna') at Gertens

Sienna GlenĀ® Maple

Sienna GlenĀ® Maple

(Photo courtesy of NetPS Plant Finder)

Height:  50 feet

Spread:  40 feet

Sunlight:  full sun 

Hardiness Zone:  3a

Description:

One of the very hardiest red fall-coloring shade trees available, this hybrid maple features a uniform branching habit and attractive pyramidal-oval shape; tolerant of alkaline, acidic and wet soil conditions, stronger wood than other hybrids

Ornamental Features

Sienna GlenĀ® Maple features showy clusters of red flowers along the branches in early spring before the leaves. It has green deciduous foliage. The lobed leaves turn outstanding shades of orange, red and burgundy in the fall. The furrowed gray bark and brick red branches add an interesting dimension to the landscape.

Landscape Attributes

Sienna GlenĀ® Maple 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 should only be pruned in summer after the leaves have fully developed, as it may 'bleed' sap if pruned in late winter or early spring. It has no significant negative characteristics.

Sienna GlenĀ® Maple is recommended for the following landscape applications;

  • Accent
  • Shade

Planting & Growing

Sienna GlenĀ® Maple will grow to be about 50 feet tall at maturity, with a spread of 40 feet. It has a high canopy with a typical clearance of 7 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 70 years or more.

This tree should only be grown in full sunlight. It is an amazingly adaptable plant, tolerating both dry conditions and even some standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This particular variety is an interspecific hybrid.

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Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Accent  Shade 
Applications
Flowers  Fall Color  Bark 
Ornamental Features
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