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Selection List of Common Tree Species

Note: evergreens should not be planted close to walkways, streets, or buildings because of their broad base that will become an obstruction as the tree matures. The City of Edmonton no longer plants spruce or pine on residential boulevards for this reason.

COLORADO SPRUCE – Picea pungens
• Maximum height 12m
• Maximum branch spread 5m
• Blue or green colour
• Rigid needles
• Symmetrical shape

SCOTS PINE – Pinus sylvestris
• Maximum height 15m
• Maximum branch spread 8m
• Rapid growth
• Orange-brown bark
• Great for the urban landscape

LODGEPOLE PINE – Pinus contorta var. latifolia
• Maximum height 25m
• Tall and narrow form (4m spread)
• Not commonly used for landscaping purposes
• Cones remain on branches for many years
• Alberta's provincial tree

SIBERIAN LARCH – Larix sibirica
• Maximum size 30m
• Form is a broad pyramid (15m spread)
• Needles are soft and turn bright yellow in the fall
• Adapts to dry sites and is fully hardy
• Good landscape tree

WHITE SPRUCE – Picea glauca
• Mature size 15m
• Spread 5m
• Hardy native tree
• Needles are softer than the Colorado spruce
• Prefers sites with more available moisture than the Colorado spruce

NORWAY SPRUCE – Picea abies **Difficult to find**
• Mature size 22m
• Spread 7m
• Droopy branches
• Pyramidal shape
• Slow growth rate

SWISS STONE PINE – Pinus cembra
• maximum height 10m
• maximum branch spread 3m
• symmetrical shape

Note: 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. Black ashes are more adapted to wetter sites.

GREEN ASH – Fraxinus pennsylvanica
• Maximum height 18m
• Spread is 7m
• Has glossy green foliage
• Fast growing
• Adapts well to compact places

Cultivars: all listed are seedless varieties
• ‘Patmore' has an oval shaped crown
•  'Prairies Spire' (‘Ruby') has a narrower upright growth habit
• ‘Summit' has a golden fall colour
• ‘Bergeson' is fast growing with an upright growth habit
• ‘Foothills' is an excellent street tree

MANCHURIAN ASH – Fraxinus mandshurica ‘Mancana'
• Maximum height 15m
• Spread is 7-10m
• Dense canopy
• Restricted to mostly wetter sites
• Yellow colour in the fall

BLACK ASH – Fraxinus nigra
• Mature height 12m
• Spread 5-7m
• This tree is pyramidal in shape
• Requires adequate moisture
• Has uniform branching habits making it a good street tree

Cultivars:
• ‘Fallgold' seedless selection; bright yellow fall colour

AMERICAN ELM – Ulmus americana
• Mature height 30m
• Spread 15-25m
• Ideal for street tree plantings, and is an excellent shade tree
• High-headed, upright spreading tree with an umbrella shape
• Drought tolerant

Cultivars:
• ‘Brandon Elm' dense compact crown in a vase shape

EUROPEAN MOUNTAIN ASH – Sorbus aucuparia
• Mature height 8m
• Spread 6m
• Showy orange-red fruit that attracts birds
• It can be either single stemmed or multi-stemmed
• Not good by walkways or on boulevards
• Susceptible to fire blight

Cultivars:
• ‘Rossica' (Russian) small ornamental variety; dense crown; fast growing

BUR OAK – Quercus macrocarpa
• Mature height 15-20m
• Spread 10m
• High-headed shade tree
• Corky branches and lobed leaves
• Slow growing makes it a good boulevard tree
• Drought and salt tolerant

AMERICAN BASSWOOD (LINDEN) – Tilia americana
• Maximum height 20m
• Spread 12m
• Large shade tree
• Moderate growth rate
• Fragrant yellow flowers

LITTLE LEAF LINDEN – Tilia cordata
• Maximum height 15m
• Spread 10m
• Excellent shade tree
• Suited for urban planting
• Fragrant yellow flowers

Hybrids: (Little Leaf Linden crossed with Basswood)
• ‘Dropmore' dense pyramidal shape

THUNDERCHILD CRABAPPLE – Malus x ‘Thunderchild'
• Maximum height 6m
• Spread 5m
• Outstanding pink flowers in spring; leaves coppery purple
• Resistant to fire blight
• Semi-upright form not good along walkways

IVORY SILK JAPANESE LILAC – Syringa reticulate ‘Ivory Silk'
• Maximum height 8m
• Spread 6m
• Cream coloured flowers
• Dense canopy
• Bark is a deep brown that resembles a cherry

MORDEN HAWTHORN – Crataegus x mordenensis ‘Toba'
• Mature height 4m
• Spread 3m
• Glossy dark green foliage
• Light pink flower clusters
• Has some thorns

RUSSIAN OLIVE – Elaeagnus angustifolia **Difficult to find**
• Mature height 7m
• Spread 7m
• Has grey foliage
• Very fragrant yellow flowers
• Drought and salt tolerant

LAUREL-LEAF WILLOW – Salix pentandra
• Maximum height 15m
• Spread 15m
• Distinct yellow bark
• Large spreading crown
• Dark glossy green foliage

SILVER MAPLE – Acer saccharinum
• Maximum height 20m
• Spread 10m
• Ornamental, oval shaped tree
• Light grey bark and flakes as it matures
• Fast growing but susceptible to winter dieback

AMUR MAPLE – Acer ginnala
• Mature height 5m
• Spread 5m
• Adapts to a wide range of soil and pH levels
• Low-headed ornamental
• Beautiful fall foliage colour

OHIO BUCKEYE – Aesculus glabra
• Mature height 12m
• Form is low-headed and has a dense canopy
• Palmate leaf with the leaflets about 10-15cm long
• It is fully hardy and slow growing
• Light orange fall colour

SCHUBERT CHOKECHERRY – Prunus virginiana ‘Schubert'
• Mature height 8m
• Spread 8m
• Excellent ornamental tree but the fruit litter may be problematic
• Leaves are initially green then turn a deep wine colour in mid-summer
• Drought resistant tree

Species requiring special consideration

 AMUR CHERRY – Prunus maackii
• Mature height 15m
• Prefers a well drained site
• Susceptible to winter injury, requires a sheltered location
• Distinct reddish bark with white spring flowers
• Vulnerable to fungal disease

MAYDAY – Prunus padus var. commutata
• Maximum height 12m
• Form is high-headed and upright
• Wooded and highly susceptible to Black Knot fungus
• Berry drop may be messy and problematic
• Flowers are fragrant

PAPER BIRCH – Betula papyrifera
• Mature height 12m
• Spread 7m
• Moderate growth rate
• Needs wetter sites
• Paper-like bark

NORTHWEST POPLAR – Populus x jackii ‘Northwest'
• Mature height 15m
• Shallow aggressive roots, weak limbs
• Requires a lot of open space
• Good shelterbelt tree
• Not popular because of problems it causes such as root sprouting

SWEDISH COLUMNAR ASPEN – Populus tremula ‘Erecta'
• Mature height 9m
• Slender columnar form, good in narrow planting sites
• Fast growing
• Needs full sun exposure
• Dense canopy

SIBERIAN or MANCHURIAN ELM – Ulmus pumila
• Mature height 10m
• Open canopy
• High-headed
• Invasive, seedy, weak wooded tree with a short life span
• Subject to slime flux

Note: Species selection is not restricted to the above list.

For more information:

Urban Forestry

12304 107 Street
Edmonton, AB
T5J 2R7

Telephone

In Edmonton: 311

Outside Edmonton: 780-442-5311

Fax 780-496-4978
Email citytrees@edmonton.ca