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Jack Ornamental Pear

Pyrus calleryana 'Jaczam'

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Jack Ornamental Pear (Pyrus calleryana 'Jaczam') at Wasco Nursery

Jack Ornamental Pear in bloom

Jack Ornamental Pear in bloom

(Photo courtesy of NetPS Plant Finder)

Jack Ornamental Pear (Pyrus calleryana 'Jaczam') at Wasco Nursery

Jack Ornamental Pear flowers

Jack Ornamental Pear flowers

(Photo courtesy of NetPS Plant Finder)

Height:  20 feet

Spread:  20 feet

Sunlight:  full sun 

Hardiness Zone:  5

Other Names:  Callery Pear


A dwarf, rounded variety for smaller home landscapes, this one is absolutely covered in showy white flowers in spring; leaves are deep green and glossy; inedible tan-brown colored fruit in summer is quite inconspicuous, excellent red-purple fall color

Ornamental Features

Jack Ornamental Pear is bathed in stunning clusters of white flowers along the branches in mid spring before the leaves. It has dark green foliage throughout the season. The glossy heart-shaped leaves turn an outstanding purple in the fall. The fruit is not ornamentally significant.

Landscape Attributes

Jack Ornamental Pear is a dense 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 high maintenance tree that will require regular care and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. It has no significant negative characteristics.

Jack Ornamental Pear is recommended for the following landscape applications;

  • Accent
  • Shade
  • Vertical Accent

Planting & Growing

Jack Ornamental Pear will grow to be about 20 feet tall at maturity, with a spread of 20 feet. It has a low canopy with a typical clearance of 3 feet from the ground, and is suitable for planting under 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 highly tolerant of urban pollution and will even thrive in inner city environments. This is a selected variety of a species not originally from North America.

Hardiness Zone Plant Height Minimum Sunlight
Accent  Shade  Articulation 
Flowers  Fall Color  Plant Form 
Ornamental Features