Trees

ASH - AUTUMN BLAZE ASH

ASH - AUTUMN BLAZE ASH

(Fraxinus americana 'Autumn Blaze)

Height 50-60' x 30'
Spread 25-30'
Zone 3
Fall Color Yellow to Red Purple
A white ash variety introduced by the Morden Research Station in Manitoba, Canada. A light seed crop and oval form. Rarely or never fed by Japanese beetles. Needs full sun, with moist well drained soil. Prune in fall.

ASH  - PRAIRIE SPIRE ASH

ASH - PRAIRIE SPIRE ASH

(Fraxinus americana 'Autumn Blaze)

Height 50-60' x 30'
Spread 20-30'
Zone 3
Fall Color Golden Yellow
Seedless cultivar, superior hardiness and survival in adverse prairie or city conditions. Narrow and pyramidal at mature height. Foliage is shiny and bright green. Prefers moist well drained soil but can tolerate drought, wet sites, alkaline soils, or salt. Rarely or never fed by Japanese beetles. Introduced by the North Dakota State University. May lose terminal bud Which can form double leader. Pruning may be needed to maintain single leader.

ASPEN - QUAKING

ASPEN - QUAKING

(Populous tremuloides)

Height 60-80' x 30'
Zone 2
Fall Color Gorgeous yellow
It is indifferent to soil conditions and can be found in moist, shallow rocky or clay soils. Resistant to black spot (Baileys var. only). Fast growing. Plant in an area with good circulation. Produces catkins.

BIRCH - PRAIRIE DREAM BIRCH

BIRCH - PRAIRIE DREAM BIRCH

(Betula papyrifera 'Varen')

Height 50'
Spread 40'
Zone 2
Fall Color Golden yellow
Stress tolerant and developed in ND. Snow white bark exfoliates to provide winter interest. Resistant to bronze birch borer. After 25 years of evaluation in ND no damage from borers or cold has been seen. Easily grown in average, medium, well drained soil, in sun to part shade. Becomes broadly oval with age.

CARAGANA - WEEPING CARAGANA

CARAGANA - WEEPING CARAGANA

(Caragana arborescens)

Height 4-5'
Spread 3-5'
Zone 2
Fall Color Variable yellow
A small weeping specimen tree with distinctive satiny bark. Has fern-like foliage and yellow pea-like flowers in spring. Has elongated green and brown pods. Developed at the Manitoba Research Station in Canada.

CHERRY - CANADA RED SELECT

CHERRY - CANADA RED SELECT

(Prunus virginiana 'Shubert')

Height 20-25'
Spread 20'
Zone 2
Fall Color Burgundy
Single white bloom followed by red fruit. Green emerging foliage gradually turning red as they mature then finally reddish-purple in fall. Fruits are an edible chokecherry. Proper soil conditions are necessary for normal growth. Needs good drainage.

CRAB - PRAIRIEFIRE

CRAB - PRAIRIEFIRE

(Malus 'Prairiefire')

Height 10-15'
Spread 20'
Zone 4
Fall Color Red orange purple
Intense single pinkish red flowers brings on glossy red fruit that does not drop. New purple maroon foliage matures into a reddish-green. Disease resistant and blooms later than most crabs.

CRAB - RED SPLENDOR

CRAB - RED SPLENDOR

(Malus 'Red Splendor')

Height 20-25'
Spread 20'
Zone 3
Fall Color Reddish purple
Single pink flowers changing to white and are very fragrant. Produces cherry-red fruit in one-half inch size and is persistent. Can also be used to make jelly. Intolerant of shade and drought, but can grow in a variety of soils.

CRAB - SPRING SNOW

CRAB - SPRING SNOW

(Malus 'Spring Snow')

Height 25-30'
Spread 15'
Zone 4
Fall Color Insignificant
Single white flowers completely cover the tree in spring. Canadian introduction. Shiny foliage and good heat tolerance, no fruit.

CRAB - THUNDERCHILD

CRAB - THUNDERCHILD

(Malus 'Thunderchilld')

Height 15'-20'
Spread 15'
Zone 3
Fall Color Red purple
Single delicate pink blooms form dark purplish fruits that hang on well after fall. Compact form and has deep purple leaves. Resistant to fireblight. Discovered in Canada

DOGWOOD - GRAY DOGWOOD TREE

DOGWOOD - GRAY DOGWOOD TREE

(Cornus racemosa)

Height 10-15'
Spread 10-15'
Zone 3
Fall Color Purplish
Green foliage changes to deep purple in fall. Whitish flowers are followed by white fruits and persistent reddish pedicels. Bark colors of a gray to red brown contrast make for great winter interest. Tolerates a wide range of soil conditions.

ELM - DISCOVERY ELM

ELM - DISCOVERY ELM

(Ulmus davidiana var. japonica 'Discovery')

Height 35-40'
Spread 35-40'
Zone 3
Fall Color Yellow
One of the most stress and drought tolerant of other hybrid elms. It is slower growing than other elms, and has smaller leaves. May need a fair amount of crown thinning in early growth to avoid crossing branches. Mostly upright at young age, but vase-like at maturity. Highly resistant to Dutch Elm Disease and Elm Leaf Beetle.

HAWTHORN - THORNLESS HAWTHORN

HAWTHORN - THORNLESS HAWTHORN

(Crataegus crus-galli var. inermis)

Height 15-20'
Spread 15-20'
Zone 4
Fall Color Orange
Abundant white flowers in June, followed by small bright red persistent fruit in autumn. Prefers moist soil but is tolerant of dry conditions. A short squat tree with horizontal branching.

HONEYLOCUST - NORTHERN ACCLAIM

HONEYLOCUST - NORTHERN ACCLAIM

(Gleditsia triacanthos var. inermis 'Harve')

Height 35-45'
Spread 30-35'
Zone 3
Fall Color Yellow
Developed at NDSU and out performs all other locusts for winter hardiness. Thornless and seedless similar to Skyline and gradually widens with age. Quite drought resistant. Fast growing. Tree benefits from tree wrapping until 2" in diameter. Refrain from promoting fast growth. Overly vigorous growth in the first few years does not have a chance to harden off, thus killing off top growth. Winter pruning is best.

HYDRANGEA - PEE GEE HYDRANGEA TREE

HYDRANGEA - PEE GEE HYDRANGEA TREE

(Hydrangea paniculata 'Grandiflora')


Height 8'
Spread 8-10'
Zone 4
Fall Color Insignificant
Blooms in July and August with showy white blooms changing to pink bronze towards autumn. Rapid growth. Pruning is required on any suckering. To maintain a beautiful umbrella shape, branches need to be cut back to 3-4" with 6 evenly spaced main branches. If not done branches will stretch out too far and droop from the weight of the blooms. Shortening of the branches also promotes blooms closer to the trunk and not at the branch tips. Finally you will want to cut any stragglers that want to grow up or across. Pruning should be done in the spring before new growth begins.

LILAC - DWARF  KOREAN LILAC TREE

LILAC - DWARF KOREAN LILAC TREE

(Syringa meyeri 'Palibin')

Height 8'
Spread 5-6'
Zone 4
Fall Color Insignificant
Has the same great quality of the shrub form which has been grafted on a 4" trunk for a formal accent. Blooms profusely at an early stage with great fragrance in early spring. Foliage is interesting with small, curly and shiny leaves. Does well in clay.

LILAC - JAPANESE TREE LILAC

LILAC - JAPANESE TREE LILAC

(Syringa reticulata)

Height 25'
Spread 25'
Zone 3
Fall Color Insignificant
Excellent oval shaped tree with large 5-6" clusters of small extremely fragrant creamy white blooms in June and July. Produces a fruit capsule, or seed pod that is light green turning to brown as it matures. The bark resembles that of the cherry tree. The fruit capsule and bark provide a nice winter interest. Tolerant of salt, and a wide range of soils. Prefers sun. No major disease or pest problems. Can also be in clump form.

LILAC - IVORY SILK JAPANESE LILAC

LILAC - IVORY SILK JAPANESE LILAC

(Syringa reticulata 'Ivory Silk')

Height 25' x 15'
Zone 3
Fall Color Insignificant
A Sheridan Nursery, ND selection with a more sturdy compact form than the Japanese Tree Lilac. Blooms in late June and July and blooms heavily, even as a young plant. Has an oval or pyramidal shape when young but will have a rounded form when mature. May take 3 years to get the showiest display. Plant in full sun.

LILAC - PRINCE CHARMING

LILAC - PRINCE CHARMING

(Syringa 'Bailming')

Height 8'
Spread 5-6'
Zone 4
Fall Color Insignificant
Has irresistible color and form. It has deep wine red buds that open to lavender pink blooms that give each flower a two-tone appearance. Has a pleasing spicy fragrance. Needs full sun and well drained soil. Developed by Neal Holland of Sheyenne Gardens.

LINDEN - REDMOND LINDEN

LINDEN - REDMOND LINDEN

(Tilia americana 'Redmond')

Height 40-60'
Spread 25-30'
Zone 4
Shade-Sun Full Sun
Fall Color Yellow
This linden has the largest leaves of all lindens. Voted the 2000 Urban Tree of the Year by the Society of Municipal Arborists. Leaf-like floral bracts approximately 3-4" long are very fragrant. Adapts well to alkaline soils, air pollution and soil compaction.

MAPLE - EMERALD LUSTER

MAPLE - EMERALD LUSTER

(Acer platanoides 'Pond')

Height 50-60'
Spread 50-60'
Zone 4
Fall Color Bright yellow
Rapid grower. Oval shape with glossy foliage. Can withstand dry to moist well drained soils. Tolerates wind.

MAPLE - SILVER MAPLE

MAPLE - SILVER MAPLE

(Acer saccharinum)

Height 60-100'
Spread 40-50'
Zone 3
Fall Color Yellow
Fastest growing of maples with leaves showing silvery undersides. Because of vigorous root systems, plant 10' or more from sidewalks, foundations and sewer lines. Tolerant of poor and compacted soils, hot and dry conditions and pollution.

MAPLE - SILVER QUEEN MAPLE

MAPLE - SILVER QUEEN MAPLE

(Acer saccharinum 'Silver Queen')

Height 50 '
Spread 40'
Zone 3
Fall Color Golden yellow
Stronger more upright branching and has a more compact oval form than the Silver Maple species. Seedless to almost seedless habit. Well suited to wet and moist conditions or poor soil.

MAPLE - GREEN MOUNTAIN SUGAR MAPLE

MAPLE - GREEN MOUNTAIN SUGAR MAPLE

(Acer saccharum 'Green Mountain')

Height 50-75'
Spread 35-40'
Zone 4
Fall Color Orange scarlet
This cultivar has excellent heat tolerance and performs well in dry restricted sites. The thick leathery dark green leaves are covered with a waxy coating and show good scorch resistance. Green Mountain retains its color in dry windy summer weather. A good street tree or for areas with high heat reflection. Strong branching habit. Fall color may depend on planting site. Needs full sun, but can tolerate some shade. Seeds are inconspicuous and causes no significant litter problems.

MAPLE - SUGAR MAPLE

MAPLE - SUGAR MAPLE

(Acer saccharum )

Height 50-75'
Spread 50'
Zone 3
Fall Color Rich yellow to red
Slow to medium growth, rich moist well drained soil, acidic to slightly alkaline soil, but can tolerate dry conditions. Full sun preferred but can withstand some shade.

MAPLE - HOT WINGS

MAPLE - HOT WINGS

(Acer tataricum 'Gar Ann')

Height 20-25'
Spread 18-20'
Zone 3
Fall Color Yellow to red
Yellow flowers followed by red samaras, turning brown in fall and often persisting through winter. Tolerant of dry conditions and alkalinity. Slow to moderate growth.

MAPLE - SIENNA GLEN

MAPLE - SIENNA GLEN

(Acer x freemanii 'Sienna')

Height 60'
Spread 40'
Zone 3
Fall Color Burgundy red
Fast growing with pyramidal form. Tolerant of alkaline, acidic, or wet soil conditions. Superior to Autumn Blaze in withstanding strong winds and a good substitute for Ash varieties. Shows a high resistance to frost and sunscald.

MOUNTAIN ASH - SHOWY MOUNTAIN ASH

MOUNTAIN ASH - SHOWY MOUNTAIN ASH

(Sorbus decora)

Height 20-25'
Spread 20'
Zone 2
Fall Color Red
Grown for its ornamental leaves, bright red berries and brilliant orange red fall color. Broad flat-topped cluster of of 4" white blooms in late May or early June. Produces heavy clusters of berries from mid August to October. Needs good drainage and slightly acidic soil. Slow growing, and withstands some shade. Berries provide an excellent source of food for wildlife.

NINEBARK - DIABOLO NINEBARK TREE

NINEBARK - DIABOLO NINEBARK TREE

(Physocarpus opulifolius 'Monlo')

Height 8-10'
Spread 6-8'
Zone 3
Fall Color Insignificant
Beautiful reddish-purple foliage. The white and brown exfoliating bark is unforgettable. Some pruning will be needed to keep form and shape. White flowers with pink stamens that look pink from a distance. Plant in full sun for best color.

OAK - BUR OAK

OAK - BUR OAK

(Quercus macrocarpa)

Height 60-80'
Spread 60-80'
Zone 3
Fall Color Yellow-brown to purple
Corky bark is especially interesting in winter. A great xeriscape plant that can tolerate a wide range of soil types and pollutants. Prefers full sun but is moderately shade tolerant. Slow growing, especially if under stress. Catkin flowers produce acorns. Excellent choice for landscaping in yards or for parks. Grows in a variety of soils, but because of its tap root system does not like compacted soil.

OAK - NORTHERN PIN OAK

OAK - NORTHERN PIN OAK

(Quercus ellipsoidalis)

Height 60'
Spread 40'
Zone 3
Fall Color Rich Red
This native tree is well adapted to sandy, acid soils, but will tolerate heavier soils and more alkaline conditions than Pin Oak. It can tolerate some shade and soil dryness. It is also tolerant of salt and windy locations. Produces bitter acorns that start off green and ripen brown 18 months after pollination. The young trunks are very smooth and light gray and benefit from tree wrapping for the first years to prevent sunscald and frost cracking. Rich red fall leaves sometimes have a tendency to hang on all through winter. Good for lawn or boulevard plantings.

POPLAR - SIOUXLAND

POPLAR - SIOUXLAND

(Populus deltoids 'Siouxland')

Height 70'
Spread 90'
Zone 3
Fall Color Insignificant
This cotton-less cottonwood was introduced in South Dakota. Fast growing tree. A good choice for larger properties and parks. Rapid growth and aggressive root systems and should not be planted near the house. Can withstand drought and standing water.

POPLAR - ROBUSTA

POPLAR - ROBUSTA

(Populus x canadensis 'Robusta')

Height 40-60'
Spread 30-40'
Zone 3
Fall Color Insignificant
This fast growing cotton-less cottonwood is a seedless hybrid introduced by the University of Minnesota. A vigorous smaller cultivar, it is well suited to moderate and arid conditions.

POPLAR - TOWER

POPLAR - TOWER

(Populous x canescens 'Tower')

Height 40-50' x 6-10'
Zone 2.00
Fall Color Insignificant
This is a hardy, disease resistant poplar for cold climate zones. Excellent for screening and sound barriers. Glossy green leaves with white undersides. Requires generous amount of water but can survive drought conditions. Introduced from Canada.

SERVICEBERRY - AUTUMN BRILLIANCE

SERVICEBERRY - AUTUMN BRILLIANCE

(Quercus alba)

Height 25'x 15'
Zone 3.00
Fall Color Brilliant red-orange
White blossoms followed by showy sweet purplish-black fruits. Heavily branched and light gray bark. Fall leaves are quite persistent. Beautiful bark worthy of uplighting. May also be available in clump form.

WILLOW - PRAIRIE CASCADE WILLOW

WILLOW - PRAIRIE CASCADE WILLOW

(Salix 'Prairie Cascade')

Height 35-45'
Spread 35-40'
Zone 2
Fall Color Yellow
Developed out of Canada. Has glossy foliage of the Laurel Willow with cascading habit and golden stem color of the Weeping Willow. Prefers moist or wet locations but will grow in any soil type. Rapid growth of up to three to five feet a year and does not bear catkins. Stronger limbs and branches provide less breakage and litter problems. Avoid planting near sewer lines or water pipes.