Deciduous Trees

Alder (Alnus)

A  widespread family of trees and shrubs.  Generally plants of river beds and lakeshores, they are quite adaptable to a wide variety of soil types.  They are able to fix atmospheric nitrogen making them valuable for reclamation projects.  Generally low maintenance.

Prairie Horizon Alder  *Not in stock for 2014*

Height: to 40'(12m) Spread: to 30'(9m)  Zone: 2/3

The most drought tolerant alder evaluated at NDSU. Rapid-growing, medium-sized tree with dark green leaves.  Bark is gray.  Purple catkins and clusters of brown, cone-like strobiles add interest to the tree during winter. Tree mulching recommended.

Amur Cherry (Prunus)

Originally from Northern China, these small trees have a beautiful copper coloured exfoliating bark.  

Goldrush Amur Cherry  *Not in stock for 2014*

Height: to 25'(8m) Spread: to 20'(6m)  Zone: 2

This is a fast growing hybrid cultivar with improved resistance to frost cracking.  These trees produce racemes of white flowers similar to chokecherries in spring.  Unlike chokecherries, they are resistant to black knot.

Ash (Fraxinus)

Ashes are versatile trees native to Manitoba.  Ashes have opposite lanceolate leaves and may be either single or multi stemmed.  They are very hardy trees that are drought tolerant once established and also tolerate flooding to differing degrees depending on species.  Ashes tolerate a wide variety of soil types but do best on heavier soils.  They are relatively disease free but are highly susceptible to herbicides.  Ashes have a short foliage season.  Avoid pruning in the spring until fully leafed out. Feed well especially on poorer soils.  Fall colour is golden yellow.

Black Ash

Height: to 35'(10m) Spread: to 15'(5m)  Zone: 2

The smaller of our native ashes, Black Ash is not as drought tolerant as Green Ash but performs better in moist areas and tolerates flooding for up to a few weeks at a time.  The smaller size makes them a better choice for urban yards

green ash

Green Ash

Height: to 50'(15m) Spread: to 35'(10m)  Zone: 2

A medium to large moderately fast growing tree.  Green Ash are frequently used in farm shelter belts and as boulevard trees.  More drought tolerant but less flood tolerant than their smaller relative.  Green Ash have a life span of about 60 yrs. in this region.

Manchurian Ash

Mancana Ash  

Height: to 40'(12m)  Spread to: 25'(7m)  Zone: 3

A cultivar of Manchurian Ash, this tree is native to northern Asia.  It is a medium size tree with dense foliage and a compact oval shaped canopy.  Early testing indicates this tree shows some resistance to emerald ash borers.  Fall colour is gold.  This a seedless male tree.

Birch (Betula)

A number of birches are native to Manitoba but, normally, only the White (Paper) Birch is used in landscaping. Birches are trees of moist sites that require evenly moist, well-drained locations in full sun.  They have shallow root systems and are not drought tolerant.  Birches are susceptible to Bronze Birch Borer.

Royal Frost Birch  

Height: to 40'(12m)  Spread: to 20'(6m) Zone: 3

About the same size as a Paper Birch this tree features purple foliage and cinnamon tinged white bark.  This tree has an upright form.  Requires similar conditions to the Paper Birch.  Good borer resistance.

Dakota Pinnacle Birch  

Height: to30'(10m)  Spread: to 8'(3m) Zone: 3

This tall, narrow columnar tree is a cultivar of Asian White Birch developed at North Dakota State University.  Golden yellow in the fall and resistant to the Bronze Birch Borer

Paper Birch

White (Paper) Birch

Height: to 40'(12m) Spread: to 20' (6m) Zone: 2

These are gorgeous trees with beautiful form, excellent gold fall colour and that unmistakable white bark.  The key to growing Birches is to keep them happy and healthy.  Birches are stressed by drought, severe insect activity and soil compaction.  We recommend they go no longer than two weeks without watering.  Stressed trees are far more likely to attract borers.

Buckeye (Aesculus)

The genus Aesculus comprises 2025 species of deciduous trees and shrubs native to the temperate northern hemisphere, with 710 species native to North America and 1315 species native in Eurasia; there are also several natural hybrids.  They  are distantly related to Maples.  The North American species are known as Buckeyes and the Eurasian species as Horse-chestnuts.  They are generally fairly problem-free. Caution:The nuts contain high concentrations of a saponin-class toxin called Aesculin, which is toxic to many animals including humans. They are eaten without problem by other animals like squirrels and deer.

Ohio Buckeye  

Height: to 35'(10m)  Spread: to 20'(6m)  Zone: 2

This is a medium size tree that is both slow growing and long lived.  Fall colour is a stunning red-orange.  Produces a nut that is inedible to humans but attracts wildlife.

Crabapple (Flowering)

This is a group of crabapples grown for their foliage and flowers.  Fruit ranges from small to non-existent.  Most are referred to as "Rosybloom Crabapples" because of the vibrant pink colour of the flowers.  There are also white flowered varieties.

Gladiator Flowering Crabapple  

Height: to 20'(6m) Spread: to 9'(3m)  Zone: 2

Gladiator is a narrow upright rosybloom featuring purple foliage, pink flowers and small purple fruit.  Developed in Manitoba at Prairie hade Nursery.

Royalty Flowering Crabapple  *Not in stock for 2014*

Height: to 16'(5m) Spread: to 16'(5m)  Zone: 3

Foliage is purple changing to purple with a green hue turning copper-orange in fall.  Flowers are crimson to purple with dark red fruit.  Developed at the Sutherland Experimental Station in Saskatoon, SK

Spring Snow Crabapple  *Not in stock for 2014*

Height: to 25'(8m) Spread: to 15'(5m)  Zone: 3

Fragrant white flowers in spring with glossy green foliage.  This cultivar does not produce fruit.  Has very good resistance to cedar-apple rust and mildew, fair resistance to fireblight but is fairly susceptible to scab.

Starlite Crabapple  

Height: to 25'(8m) Spread: to 15'(5m)  Zone: 2

Cross between Dolgo and Rosthern crab.  Fragrant white flowers in spring with tiny red fruit.  Highly resistant to apple scab.  Very hardy.  .

Thunderchild

Thunderchild Flowering Crabapple  *Not in stock for 2014*

Height: to 20'(6m) Spread: to 15'(5m)

Thunderchild is known for  its stunning display of pink flowers followed by leaves that turn dark purple in summer.  Resistant to fire blight.

Elm (Ulmus)

Elms are deciduous and semi-deciduous trees  found throughout the Northern Hemisphere from Siberia to Indonesia, Mexico to Japan. All species are tolerant of a wide range of soils and pH levels but require good drainage.  The American Elm was the boulevard tree of choice before the arrival of Dutch Elm Disease decimated the trees in many areas.  Work is being done on finding more DED resistant varieties.

Discovery Elm

Discovery Elm  

Height: to 40'(12m) Spread: to 30'(9m)  Zone: 3

A cultivar of Japanese elm developed at Portage la Prairie.  Discovery has the same shape as American elm in a more compact tree.  Resistant to Dutch Elm disease.  Does best in rich fertile soil.

Prairie Expedition Elm *Not in stock for 2014*

Height: to 60'(15m) Spread: to 40'(12m)  Zone: 2/3

The return of the American Elm.  When inoculated with the Dutch elm disease fungus, this tree displayed high resistance.  This highly prized classic boulevard tree is an NDSU selection from the wild.  Very limited supply.

Hackberry (Celtis occidentalis)

Hackberries are tough trees able to grow in many soils and will tolerate both drought and some flooding.  They are distantly related to the elms and, while the leaves are different, the shape is similar.  Hackberry is not susceptible to Dutch Elm Disease.

Delta Hackberry  *Not in stock for 2014*

Height: to 50'(16m) Spread: to 40'(13m)  Zone: 2

Our Hackberries are grown from seed from native trees in the Delta Marsh area.    This is a large, fairly slow growing shade tree best suited to large lots and acreages.  The drupes (berries) are edible and attract birds.  Fall colour is golden yellow.

Linden (Tillia)

Lindens are native to central and eastern North America.  They are noted for straight stems, consistent shape and scented yellow flowers during summer.  Lindens are somewhat shade tolerant when young making them a good choice for underplanting other trees.  They prefer rich , moist but well-drained soils and do poorly on either wet or dry sites.

Dropmore Linden

Dropmore Linden  *Not in stock for 2014*

Height: to 50'(15m) Spread: to 30'(9m)  Zone: 2

This is a hybrid of American Linden and Littleleaf Linden.  It is a large tree with a dense pyramidal shape and dark green foliage. Faster growing and hardier than Littleleaf and smaller than American Linden.

Harvest Gold Linden  *Not in stock for 2014*

Height: to 40'(12m) Spread: to 25'(8m)  Zone: 3

Upright shape, golden fall colour and excellent disease resistance in a medium size tree.

Linden (American Basswood)  

Height: to 60'(18m) Spread: to 40'12m)  Zone: 2

A large shade tree with moderate growth rate.  The Linden has a beautiful pyramidal form and is often used a boulevard tree.  The trees produce sweet scented yellow flowers in spring followed by a small nutlet.  Being shade tolerant while young makes them suitable for underplanting existing trees. Native to river banks, they are not drought tolerant nor should they be planted in areas of poor drainage.  Fall colour is yellow.

Norlin Littleleaf Linden  *Not in stock for 2014*

Height: to 50'(15m) Spread: to 30'(9m)  Zone: 3

Hardy selection of Littleleaf.  Fast growing.  Resistant to leaf spot and leaf gall.  Golden fall colour.  Excellent shade tree in residential and downtown plantings, particularly where faster growth and a broad, pyramidal crown are required.

True North Linden *Not in stock for 2014*

Height: to 48'(15m) Spread: to 15'(3m)  Zone: 2

An upright selection of Linden the same height as American Basswood but much narrower.  An excellent cultivar for smaller spaces.  Introduced by Prairie Shade Nursery of Portage la Prairie MB

Maple (Acer)

Maples are generally versatile trees widely distributed globally.  They are usually fast growing and tolerant of many soil types.  They may be shrubs or tree size and tend naturally to be multi stemmed but can easily be pruned to single stems.  Pruning should not be done until trees are fully leafed out.  Maples are very sensitive to herbicides so care in their use around maples is required.

Amur Maple

Height: to 20'(6m) Spread: to 15'(5m)  Zone: 2

Native to northern Asia, Amurs are a beautiful tree well suited for smaller yards.  They are fast growing and can tolerate partial shade but develop their best colour in full sun.  Their leaves are the traditional "maple leaf" shape emerging a bronze colour before turning to a dark green and, finally, brilliant orange or red in the fall.  They are extremely drought tolerant once established and are also relatively free of disease and insect problems.  Amurs may need supplemental feeding with iron in alkaline soils.

Royal Crown Amur Maple  *Discontinued*

Height: to 20'(6m) Spread: to 15'(5m)  Zone: 2

A cultivar of Amur maple with improved tolerance for alkaline soil. Consistently produces a three stem clump.

Green Mountain Sugar Maple  *Not in stock for 2014*

Height: to 40'(12m) Spread: to 30'(9m)  Zone: 3

A hardy sugar maple with excellent red orange fall colour.

Manitoba Maple

Height: to 50'(15m) Spread: to 50'(15m)  Zone: 2

The "maple weed" is one of the trees best suited to Manitoba.  They are incredibly tough and will grow almost anywhere.  They are very drought hardy and will tolerate some flooding as well as being the last thing on the menu for forest tent caterpillars.  On the down side, they are notorious for attracting honey dew secreting aphids which makes them a bad choice for planting over buildings, decks and driveways.  At full size, they may be too big for smaller areas but can be pruned to a single stem and that will reduce the spread considerably.  Fall colour is yellow.

Sienna Glen Maple  *Discontinued*

Height: to 40'(12m) Spread: to 30'(9m)  Zone: 3

This cross between Silver and Red Maples has a pyramidal form with beautiful orange to red fall colour.  Leaves are somewhat smaller than Silver Maple.  Resistant to sunscald and frost cracking

Silver Cloud Maple  

Height: to 60'(18m) Spread: to 30'(9m)  Zone: 3

A male (seedless) tree selected for upright form and symmetrical branching and retaining its central leader.  Also exhibits supperior cold hardiness to the species.

SIlver Maple

Silver Maple

Height: to 65'(20m) Spread: to 20'(6m)  Zone: 3

An impressive large shade tree.  This is one of our fastest growing trees. Silver maples perform best on rich, well drained soils. They also tend to do better in slightly sheltered areas to prevent limb breakage. Leaves are large and three lobed with a silver underside.  Fall colour is yellow.

Mountain Ash (Sorbus) 

The Mountain Ash is the Rowan tree of European mythology and derives it's name from the leaves that are similar to those of the Ashes (Fraxinus) to which it is not related.  It is an excellent tree for smaller yards and one of the best for attracting birds.  Large attractive flower clusters are produced in the spring followed by masses of orange/red berries that are favourites of robins and waxwings. Mountain Ashes tolerate neither drought nor flooding and should be planted in moist but well drained locations. Avoid fertilizing with high nitrogen fertilizers.

Am. Mtn Ash

American Mountain Ash  

Height: to 20'(6m) Spread: to 16'(5m)  Zone: 2

One of the smaller and faster growing Mountain Ashes.  White flowers give way to red berries.  Fall colour is yellow orange.

Oakleaf Mountain Ash  *Not in stock for 2014*

Height: to 25'(8m) Spread: to 20'(6m)  Zone: 3

A unique hybrid variety of Mountain Ash from European and Swedish Mtn. Ash.  It has oak shaped rather than ash shaped leaves.  The leaves have white undersides.  The usual creamy white flowers are followed by orange-red berries.  This tree has excellent disease resistance.  Fall colour is orange-red.

Showy Mtn Ash

Showy Mountain Ash  *Not in stock for 2014*

Height: to 25'(8m) Spread: to 13'(4m)  Zone: 2

Showy Mountain Ash is native from Greenland to Manitoba and is the hardiest and slowest growing of the Mountain Ashes. It is also  moderately resistant to fireblight.  Fall colour is orange-red.

Oak (Quercus)

Oaks are generally long lived and slow growing trees widely distributed throughout the northern hemisphere.  They are characterized by serrated or multi lobed leaves and are know for their hard wood.

Northern Pin Oak  *Not in stock for 2014*

Height: to 60'(18m) Spread: to 40'(12m)  Zone: 2/3

Pin Oaks are members of the red oak branch of the oak family.  they are native to Ontario and Minnesota.  The large leaves have 5-7 deep lobes with bristles.  Pin Oaks have bright red fall foliage and are tolerant of alkaline soils.

Poplar (Populus)

Poplars are a widespread family of trees characterized by fast growth, shallow aggressive root systems and, in many cases, a fairly short life span.   Poplars are best grown on moist, well drained soils.  They are affected by a number of insects and diseases and care should be taken in choosing which species to plant.

Assiniboine Poplar  *Not in stock for 2014*

Height: to 60' (18m)  Spread: to 25' (8m)  Zone: 2

Assiniboine Poplars are a male hybrid meaning that they produce none of the fluffy seed that poplars have a bad reputation for.  They are narrowly pyramidal in shape.  Assiniboines are resistant to diseases like stem cankers as well as gall mites.  They also have a short life span of perhaps 25 years under good conditions and less under unfavourable conditions.  They are often used as "nurse" trees to provide a fast growing cover for other trees that will eventually replace them.  Fall colour is yellow.

DN2 Poplar  *Discontinued*

Height: to 80'(24m) Spread: to 30'(9m)  Zone: 3

This large tree is a new hybrid cross between Cottonwood and Black Poplars.  It grows very quickly  - up to 5' - 8' a year under ideal conditions.  This tree is seedless.  Fall foliage is yellow.  Needless to say this is a tree for large areas.

Sundancer Poplar

Height: to 40'(12m) Spread: to 10'(3m)  Zone: 2

A new columnar poplar resistant to bronze leaf disease.  Resistant to bronze leaf disease.  Intended as a replacement for the vulnerable Swedish Aspen and Tower Poplar.  Formerly known as Escot.

image not available

Okanese Poplar  

Height: to 40'(13m) Spread: to 25'(8m)  Zone: 2

A fast growing, seedless hybrid poplar.  Okanese has a rounded form and does best on moist soils.  Very disease resistant including resistance to poplar rust.

Prairie Sky Poplar  *New for 2014*

Height: to 33'(10m) Spread: to 10'(3m)  Zone: 2

A fast growing hybrid with a narrow form.  Resistant to canker and rust.  Similar form to Sundancer but better rust resistance and slightly shorter.

Northwest Poplar

Northwest Poplar  *Not in stock for 2014*

Height: to 50' (15m)  Spread: to 40' (12m)  Zone: 2

Northwests are fast growing trees with a crown more like that of a trembling aspen.  While they prefer moist conditions, they are more drought tolerant than many other poplars.  Northwest have life span of about 25 years. They are best suited to larger areas.  Fall colour is golden.

Skyfest

Skyfest Poplar  *Not in stock for 2014*

Height: to 80' (24m)  Spread: - to 30' (9m)  Zone: 2

Skyfest is a male cultivar of the Eastern Cottonwood.  Although narrower than its relative, it is still a massive tree best suited for large areas.  Native to Manitoba, Cottonwoods are generally trees of river valleys and creek beds.  Under favourable conditions, they are capable of extremely rapid growth and have a longer life span than many of the hybrids.  Fall colour is yellow.

Russian Olive (Eleagnus angustifolia)

Russian Olive is a European relative of our native Wolf Willow and shares many of the same characteristics.  

Russian Olive (Eleagnus angustifolia)  *Not in stock for 2014*

Height: to 20' (6m)  Spread: to 20' (6m)  Zone: 2

This tree is extremely drought tolerant and fixes its own nitrogen making it ideal for conditions where most other trees will not grow.  The leaves are long, narrow and silver gray in colour contrasting nicely with the black bark.  Small fragrant yellow flowers are produced in spring followed by a drupe (berry) that resembles an olive and provides its name.  They require a well drained location.  Caution: They are one of our few trees/shrubs with thorns.

Japanese Tree Lilac (Syringa reticulata)

Tree lilacs are a beautiful small tree native to Northern China and Japan.  They have dark green leaves, a cherry like bark and produce masses of sweetly scented flowers in late June or early July after all the other lilacs have finished flowering.  They are durable trees with very few insect or disease problems and require minimal maintenance once established.

Golden Eclipse Tree Lilac  *Not in stock for 2014*

Height: to 20'(6m) Spread: to 15'(5m)  Zone: 3

Similar to the Ivory Silk cultivar we have stocked for years except with golden yellow/green variegated foliage

Ivory Silk Tree Lilac  *Not in stock for 2014*

Height: to 20'(6m)  Spread: to 15' (5m)  Zone: 3

This is a wonderful tree for small yards or a feature in large spaces.  The reddish brown bark provides winter colour.  They do best in moist, well drained soil.  They flower in the period between the spring and summer flowering perennials providing a nice fill between the two.

Walnut (Juglans)

Walnuts are highly prized for both their edible nuts and their lumber.  Once common in some parts of North America, wild stands have been seriously reduced.  Caution: Walnuts use chemical warfare.  Their roots produce juglone, a herbicide like chemical that inhibits the growth of many other plants reducing competition for the tree. Juglone is toxic to plants such as tomato, apple, and birch and may cause stunting and death of nearby vegetation.  Its effects are felt most strongly inside the tree's "drip line"  

Black Walnut

Black Walnut  

Height: to 45'(14m)  Spread: to 30'(9m)  Zone: 3

Native to Minnesota,  walnuts are best grown in well drained moist soil.  This is a slow growing, long lived tree.  Nuts from the Black Walnut are edible but are not the ones sold in stores.  Aside from its value as a landscape tree it is grown for its highly prized and valuable lumber.  The ash like leaves turn light yellow in fall.  

Butternut  

Height: to 45'(14m)  Spread: to 30'(9m)  Zone: 2/3

Similar foliage to the Black Walnut but with a rounder shape and lighter smoother bark.  Hardier than the Walnut.  Prefers well drained soil. Yellow fall colour.

Willow (Salix)

Willows are another widely distributed family of trees.  They range in size from tiny shrubs in the Arctic to large spreading trees in warmer climates.  Generally trees of moist areas, some willows are more drought tolerant than others.  The appeal of many willows is their brightly coloured bark.  This colouring is most noticeable in the younger branches so prune regularly to maintain the colour.  Long slender leaves are characteristic of all willows.

Acute Leaf Willow  *Not in stock for 2014*

Height: 60'(18m)  Spread: 30'(9m)  Zone: 2

This is a large fast growing tree with reddish brown twigs that is sometimes as wide as it is tall.  It is best suited for large areas and shelterbelts.  The Acute Leaf has a reputation for being less subject to branch breakage than other willows.  Moisture requirements are fairly high and the normal 60 year life span may be reduced under dry conditions.  Fall colour is yellow.

Prairie Cascade

Prairie Cascade Weeping Willow   *Not in stock for 2014*

Height: to 40'(12m) Spread: to 30'(9m)  Zone: 3

This is a hybrid willow developed in Morden Manitoba and the only one of the tree willows suited to a smaller yard.  It has glossy green leaves and golden stems giving it winter appeal.  This is a tree that requires abundant moisture.

Silky White Willow

Height - 60' (18m)  Spread - 30' (9m) Zone 2

A fast growing tree with reddish brown twigs, the Silky White Willow is also known as the Silver Willow.  It is one of the most popular willows for large areas and is the most drought resistant of the willows.

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