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Hybrid Mountain Ash

Sorbus x intermedia

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Hybrid Mountain Ash (Sorbus x intermedia) at Jolly Lane Greenhouse

Hybrid Mountain Ash flowers

Hybrid Mountain Ash flowers

(Photo courtesy of NetPS Plant Finder)

Hybrid Mountain Ash (Sorbus x intermedia) at Jolly Lane Greenhouse

Hybrid Mountain Ash in bloom

Hybrid Mountain Ash in bloom

(Photo courtesy of NetPS Plant Finder)

Height:  35 feet

Spread:  25 feet

Sunlight:  full sun 

Hardiness Zone:  4

Description:

A naturally occuring hybrid, this beautiful accent tree features interesting semi-compound leaves that turn yellow and orange in fall; showy clusters of white flowers in spring and red berries in fall; needs well drained soil, resistant to disease

Ornamental Features

Hybrid Mountain Ash features showy clusters of white flowers held atop the branches in mid spring. The orange fruits are held in abundance in spectacular clusters from early to late fall. It has dark green deciduous foliage. The serrated oval leaves turn an outstanding orange in the fall. The smooth gray bark adds an interesting dimension to the landscape.

Landscape Attributes

Hybrid Mountain Ash is a deciduous tree with a more or less rounded 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 is a good choice for attracting birds to your yard. It has no significant negative characteristics.

Hybrid Mountain Ash is recommended for the following landscape applications;

  • Accent
  • Shade

Planting & Growing

Hybrid Mountain Ash will grow to be about 35 feet tall at maturity, with a spread of 25 feet. It has a low canopy with a typical clearance of 4 feet from the ground, and should not be planted underneath power lines. It grows at a fast rate, and under ideal conditions can be expected to live for 50 years or more.

This tree should only be grown in full sunlight. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Accent  Shade 
Applications
Flowers  Fruit  Fall Color  Bark  Winter Value  Attracts Wildlife 
Ornamental Features