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This is a cold hardy tree that will grow in both dry and wet locations. They are fast-growing, have a low canopy, and an upright spreading habit. Alders are attractive for their dark green glossy leaves and polished brown-grey bark. Their purple catkins and clusters of small brown cones add winter interest.

Mature height: 12m (40ft)
Spread: 9m (30ft)

Photo Courtesy: www.ndsuresearchfoundation.org

This attractive, large shade tree is easy to maintain and grows at a moderate rate. It is a low-headed pyramidal tree in its youth, becoming more round as it matures. The striking, dark green leaves are large and broad, growing up to 20cm (8”) on a mature tree. The leaves are beautiful in autumn when they turn vivid yellow. The basswood also produces fragrant yellow flowers in late June.

Cultivars:

• Redmond (Tilia americana ‘Redmond’) has large shiny light green heart-shaped leaves with a downy white underside.

Mature height: 15m (50ft)
Spread: 8m (26ft)

American elm is considered a majestic tree that adds a feeling of richness to Saskatoon’s downtown and older residential neighbourhoods. It is a high-headed spreading tree with a unique umbrella shape; these characteristics make them ideal for street boulevards and for providing us with excellent shade. Due to the threat of Dutch Elm Disease, the Province of Saskatchewan issues a pruning ban between April 1 and August 31.

Mature height: 20-30m (66-98ft)
Spread: 15-25m (50-82ft)

This small low-headed ornamental tree has dark green three-lobed leaves.The fall foliage can range from orange to an outstanding red, particularly when planted in the full sun. Amur maple produces a two-winged fruit that resembles a miniature lobster claw, and contrasts nicely with the foliage. It is adaptable to relatively wide range of soil and pH ranges. Single-stemmed trees are the best form for boulevard use. For a complete list of related maple species visit our website at www.saskatoon.ca and look under “U” for Urban Forestry.)

Mature height: 3-5m (10-16ft)
Spread: 3-5m (10-16ft)

This is an attractive, long lived shade tree that is ideal for our prairie environment. It has interesting corky bark and lobed leaves that turn an antique yellow in the fall.

Mature height: 15-20m (50-65ft)
Spread: 10m (33ft)

Green Ash is a hardy tree tolerant of drought and salt, making it ideal for our prairie environment. It works very well as a street tree because it is easy to maintain, hardy, and long-lived.

Cultivars:

• Prairie SpireTM (Fraxinus pennsylvanica ‘Rugby’) has a narrower upright growth habit.

• FoothillsTM (Fraxinus pennsylvanica ‘Heuver’) has an oval shaped canopy.

Mature height: 15m (50ft)
Spread: 6-7m (20-23ft)

This tree has dark green foliage that turns scarlet red in the fall and produces showy red samaras in late summer. This is a low maintenance tree and is also considered drought and alkaline tolerant.

Mature height: 7-8m (25ft)
Spread: 6m (20ft)

This tree is pyramidal in shape when young and becomes more rounded as it ages. It is an excellent shade tree, well-suited for street planting. It produces white to yellow fragrant flowers.

Hybrids:

• Dropmore (Tilia cordata ‘Dropmore’) has a dense pyramidal shape and is resistant to the linden mite.

Mature height: 10-15m (33-50ft) Spread: 8-10m (26-32ft).

Greenspire (Tilia cordata ‘Greenspire’) is a fast growing tree with a pyramidal form. The leaves are heart-shaped leathery and dark green.

This is a low headed tree with an upright oval form. It does best when planted in a sheltered location but can tolerate most urban environmental conditions. Its leaves are dark green and palmately compound, and may turn orange in the fall. It will produce a large brown nut covered by a prickly husk. There are several mature Ohio buckeye at the Forestry Farm.

Mature height: 6-12m (20-40ft)
Spread: 6-12m (20ft-40ft)

This is a small ornamental tree that is very hardy in our prairie climate but requires a well-drained location. It is more resistant to fire blight than other susceptible species.

Mature height: 4-8m (13-26ft)
Spread: 4-6m (13-20ft)

This attractive oval-shaped tree has many ornamental attributes. Its deeply lobed leaves are light green on top and silvery beneath, and it has an excellent yellow autumn colour. This tree is fast growing and prefers a moist site. It is susceptible to die-back in exposed sites or when under moisture stress.

Cultivars:

• Sienna Glen® freeman maple (Acer x freemanii ‘Sienna’)

Mature height: 16-20m (52-65ft)
Spread: 7-10m (23-35ft) 

An ornamental crabapple is an attractive tree for the landscape. They are appreciated for their beautiful fowers, outstanding fragrance, hardiness, and ability to grow in most conditions. This is an attractive tree that has glossy green foliage and is covered with fragrant white flowers in the spring. It has an oval form and produces little to no fruit.

Mature height: 6-8m (20-26ft)
Spread: 6m (20ft)

An ornamental crabapple is an attractive tree for the landscape. They are appreciated for their beautiful fowers, outstanding fragrance, hardiness, and ability to grow in most conditions.This is an outstanding flowering crabapple with an oval crown and deep purpleleaves. It has delicate rose-pink flowers early in the spring and very small dark red fruit. Below is a list of similar varieties with slightly different characteristics.

• Kelsey crabapple (Malus x adstringens ‘Kelsey’)

• Selkirk crabapple (Malus x adstringens ‘Selkirk’)

• Gladiator® Rosybloom crabapple (Malus x adstringens ‘Durleo’)

Mature height: 4-6m (13-20ft)
Spread: 3-5m (10-16ft)Mature height: 6-8m (20-26ft)
Spread: 6m (20ft)