Cultivars
'Aristocrat'
This small upright tree has thornless spreading branches that form a broad pyramidal habit up to 11 m (35 ft) tall by 7 m (22 ft) wide.  It has dark green leaves with undulating margins that turn yellow to bright red during autumn before falling. 

The white flowers appear profusely in spring in dense corymbs and are followed by yellow to red inedible fruit. It is an ideal lawn specimen for a small cool climate garden or use street plantings and parks and gardens for colour contrasts. 

It prefers an open sunny wind protected position and grows in most well drained moderately fertile moist to dry soils and is ph adaptable.  

'Bradford'
This small tree grows to 12 m (38 ft) tall  line 9 m wide with ascending dark greyish branches that form of a pyramidal habit. It has glossy dark green broad-ovate leaves that turn yellowish red during autumn before falling. 

This tree prefers a cooler climate and in warmer regions the tree may be evergreen. During early spring it produces abundant white saucer shaped flowers in dense corymbs and is followed by small reddish fruit up to 12 mm (½ in) diameter.  

It prefers an open sunny wind protected position and grows in most well drained moderately fertile moist to dry soils and is ph adaptable.

'Bursnozam'  Burgundy Snow™
This large shrub to small tree forms a solitary greyish trunk with ascending branches to 10 m (30 ft) tall by 6 m (20 ft)wide forming a pyramidal habit.  

It has medium to dark green foliage that turns from a yellow to red during autumn and produces pure white saucer-shaped flowers with a burgundy tipped stamens in corymbs during early spring. This tree is planted in parks and gardens as a lawn specimen and is ideal to cooler climates.  

Prefers an open sunny position and grows in most well drained moderately fertile moist to dry soils, including occasional wet heavy soils and is ph adaptable.

'Capital'
This small tree grows to 10m (30ft) tall by 3m (9ft) wide forming a slender columnar habit with glossy dark green leaves that turn reddish-orange  to purple during autumn. It produces single white flowers that appear profusely over the plant during spring and the tree is planted in avenues or as a specimen in a narrow site. 

It is also used in cool mountain regions for its autumn colour and grows in an open sunny wind protected position tolerating dry to wet soils. When young it may require staking and the soil should be mulched to retain moisture.
 
'Chanticleer'®
This deciduous tree grows to 11 m (34 ft) tall by 6 m (20 ft) wide with upright spiny branches that form a narrow conical habit. It has glossy dark green leaves that turn gold-reddish during autumn before falling and the small white saucer-shaped flowers appear abundantly in corymbs during early spring, followed by greyish fruit. 

It is planted in parks and gardens as a lawn specimen or use in avenue plantings.  This tree prefers a cool moist climate in an open sunny position and grows on most well-drained moderately fertile moist soils and is ph adaptable.

'Cleveland Select'
This small tree grows to 10m (30ft) tall by 5m (15ft) wide forming a dense pyramidal habit with symmetrical branching. It has glossy dark green leaves that turn reddish-orange to purple during autumn and it produces masses of single white flowers during spring. 

It prefers an open sunny position and grows in most well drained moderately fertile moist soils. It will tolerate dry periods and pollution and responds to mulch during summer. It is planted in parks and gardens as a specimen and is suited to narrow locations.

'Edgedell'  Edgewood™
Pyrus calleryana x Pyrus betulaefolia
This small deciduous tree grows to 8 m (25 ft) tall by 6 m (20 ft) wide with ascending branches that form a rounded crown. It has glossy mid-green foliage that turns orange-red to purple during autumn before falling and the small white saucer-shaped flowers appear in clusters during early spring, and followed by reddish globose fruit. 

It prefers a cool moist climate in full sun and grows in most well-drained moderately fertile moist soils and is ph adaptable. This attractive small tree is planted in parks and gardens along borders or as a lawn specimen and for avenue plantings.

'Fronzam'  Frontier™
This attractive small deciduous tree has ascending branches that form a narrow conical habit up to 10 m (30 ft) tall by 4 m (12 ft) wide. It has a deep dark glossy green leaves that turn reddish purple during autumn before falling and produces pure white saucer-shaped flowers up to 20 mm (¾ in) in diameter, appearing in dense corymbs from early to mid spring. It is an ideal plant for narrow settings, along borders or avenues in parks or gardens for screening and a colour contrast.  

It prefers a cool moist region in an open sunny position and grows on a wide range of moderately fertile, acidic to slightly alkaline, well-drained to intermittently wet soils.  It is also planted in commercial sites requiring little care once established and has a low water requirement. (Scale: 1-drop from 3)

'Red Spire' 
This deciduous tree grows to 12 m (40 ft) tall with stiff upright branches that form a rounded crown. It has dark green foliage that turn shades of red during autumn and produces white cup-shaped flowers in clusters during spring.  

It is grown in parks and gardens as a lawn specimen and for its brilliant autumn foliage colour. It prefers an open sunny position and grows on most well-drained moderately fertile moist soils and is ph adaptable.
 
'Valzam'  Valiant™
This small deciduous tree grows to 9 m (28 ft) tall by 5 m (15 ft) wide with ascending greyish branches that form a narrow-conical habit. It has thick glossy dark green foliage that turns crimson-red during early autumn and produces pure white saucer-shaped flowers up to 20 mm (¾ in) in diameter that appear from early to mid spring, in a dense corymb. 

It prefers an open sunny position and grows on most well drained moderately fertile light to heavy soils and is ph adaptable. This hardy tree is planted along borders for summer screening in parks and gardens and is use for shade and foliage colour contrast.

'Winter Glow'
This deciduous tree grows to 15 m (45 ft) tall with spreading branches forming a rounded crown. It has dark green foliage that turns shades of red during autumn before falling and the large white cup shaped flowers appear in clusters during early spring. 

This tree is planted in parks and gardens as a specimen or use in woodland settings.  Prefers an open sunny position and grows on most well-drained moderately fertile moist soils.