Colorado Tree Farm Nursery

Ash, Autumn Applause

Fraxinus americana 'Autumn Applause'  Ht 30-40 ft, Spd 20-25 ft.  Full sun to part shade. Low to moderate water needs.   Autumn Applause is an outstanding white ash cultivar known to be seedless for the past 30 years. Purple leaves in the Fall covering a tight, narrow crown, make this tree a perfect selection for color and habit.  

Ash, Autumn Purple

Fraxinus Americana ‘Autumn Purple’ Ht 40-60 ft, Spd 30-40 ft. Tolerates full sun, low to moderate water needs. Heavy green foliage in summer with purple fall color holding well until after frost. Vigorous, rapid growth.

Ash, Cardinal Royal Mountain

Sorbus aucuparia ‘Michred’ (pp3114) Ht 20-30 ft, Spd 15-20 ft. Full sun to part shade, low to moderate water needs. Attractive, dark green pinnately compound leaves with silvery undersides. Creamy white flowers borne in 2-3” wide corymbs in May are followed by showy clusters of brilliant red fruit. Upright growth habit.  

Ash, Cimmaron

Fraxinus pennsylvanica‘Cimmzam’ Ht 40-50 ft, Spd 25-30 ft. Full sun to part shade, low water needs (xeric). Narrow when young, with upright branches forming an oval canopy. Cimmarron is seedless and has excellent summer foliage and orange-red fall color.

Ash, Marshall

Fraxinus pennsylvanica 'Marshall'  Ht. 50-60 ft., Spd. 25-35 ft.  Full sun to part shade.  Low water needs (xeric).  A broad oval tree when mature with dark glossy green foliage turning radiant yellow in the fall.  Transplants readily into a wide range of soils.

Ash, Native Mountain

Sorbus scopulina Ht 15-20 ft, Spd 18-20 ft. Full sun, low to moderate water needs. A small, dense tree or large shrub, native to the higher elevations of the Rocky Mountains. Medium green pinnately compounded leaves. Small, fragrant, white flowers, in rounded clusters, bloom in early summer. Shiny red fruits mature in late summer and persist into winter if they are not eaten by the birds.

Ash, Patmore

Fraxinus pennsylvanica ‘Patmore’ Ht 50-60 ft, Spd 25-35 ft. Full sun to part shade, low  water needs (xeric). This variety is remarkable for its’ hardiness and tolerance of widely differing growing conditions. Has well spaced branches on erect growing trunk. Seedless.

Ash, Prairiespire

Fraxinus pennsylvanica ‘Rugby’ Ht 45 ft, Spd 20 ft. Full sun to part shade, low to moderate water needs. Dense, upright, and narrowly pyramidal in mature form. This tree comes from a very hardy northern plains seed source. Yellow fall color.

Ash, Single Leaf

Fraxinus anomala Ht 10-18 ft, Spd 10-15 ft. Full sun, low water needs (xeric). A small tree or large shrub native to the Southwest. Characterized by rounded, thick, leathery simple to occasionally compounded leaves. Produces a tan samara fruit in late summer to fall. Tolerant of poor soils and dry conditions.

Ash, Summit

Fraxinus pennsylvanica ’Summit’ Ht 50-60 ft, Spd 20-30 ft. Full sun to part shade, low water needs (xeric). A fine, fast growing tree. Upright trunk, upright oval shape, uniform. Very hardy. Golden yellow fall color. Slightly more narrow than most ash.

Ash, Urbanite

Fraxinus pennsylvanica ‘Urbanite’ Ht 50 ft, Spd 40 ft. Full sun to part shade, low to moderate water needs. A well behaved selection of the “Red Ash” type. Very tolerant of city conditions. Its thick bark is very tolerant of sunscald. Deep bronze fall color.

Aspen (Quaking Aspen)

Populus tremuloides Ht 20-30 ft, Spd 15-20 ft. Full sun to part shade, moderate water needs. Native tree of the Rocky Mountains. Characteristic white bark and golden-yellow, to occasionally orange-red, fall color. Pyramid habit when young maturing to a rounded crown. Does best in well-drained soil but is adaptable. May sprout to form groves (multi-stemmed). Suffers from many diseases wherever it grows

Aspen, Swedish Columnar

Populus tremula ‘Erecta’ Ht 30-40 ft, Spd 10-15 ft. Full sun to part shade, moderate water needs. An upright form of European Aspen found in Sweden. Bark is a smooth light gray on older wood and dark gray to black on smaller stems. Leaves are dark green with flattened petioles giving the leaves a trembling motion in a breeze typical of aspen. Fall color is orange to red and very striking.

Catalpa, Purpurea

Catalpa bignonioides Ht 40-50 ft, Spd 40-50 ft. Part shade to full sun, low to moderate water needs. The name comes from the long bean-shaped fruit. This tree has coarse medium green foliage that is broadly ovate with 10” long heart-shaped bases. The flowers are white with purple brown and yellow markings. They appear in 8”-12” upright panicles. The flowers look similar to an orchid blossom. The tree has a wide spreading growth habit and is able to tolerate variable sites.

Cherry, Amur

Prunus maackii Ht 25-30 ft, Spd 25-30 ft. Full sun to part shade, low to moderate water needs. A small tree producing fragrant white flowers in loose drooping racemes. A small black drupe fruit ripens late summer and is usually eaten by the birds. Moderately pyramidal when young maturing to a rounded crown. The bark ranges in color from polished amber to dark red-brown, with a striking metallic sheen. The bark is somewhat exfoliating but varies from tree to tree. An attractive alternate for aspen groves. Prefers well-drained soils. 

Cherry, Canada Red

Prunus virginiana ‘Canada Red’ Ht 20-25 ft, Spd 18-20 ft. Full sun to part shade, low to moderate water needs. New growth is bright green, turning to burgundy-red as the leaves mature. White flowers in 3”-6” long drooping racemes appear mid-spring followed by small ¼” dark purple fruit. Fast growing plant that can provide a quick screen and attracts birds. Easiest to use as a shrub unless suckers are maintained while the tree is young.

Cherry, Big Cis Prunus Cistena

Prunus x cistena Ht 8 ft, Spd 6 ft. Full sun to part shade, low to moderate water needs. Can be a large multi-stemmed shrub. Denser and more compact than Newport Plum. Leaves are a brighter purple. An excellent dwarf accent tree. This is also available in a shrub form.

Cottonwood, Highland Cottonless

Populus acu. x sargentii ‘Higland’ Ht 45-50 ft, Spd 20-30 ft. Full sun to part shade, low to moderate water needs. An upright growing disease and pest resistant cottonwood well suited to sites with limited space. Upright oval habit. Introduced by Highland Nursery in Greeley. The original selection was made from the Cheyenne Research Station. A hardy substitute for the Lanceleaf Cottonwood.

Cottonwood, Lanceleaf Cottonless

Populus x acuminate Ht 40-60 ft, Spd 35-50 ft. Full sun, moderate water needs. Native tree with upright rounded crown. Glossy medium green leaves are intermediate in size between Plains Cottonwood and Narrowleaf Cottonwood. Fast growing and hardy. 

Cottonwood, Narrowleaf Cottonless

Populus x angustifolia Ht 50-60 ft, Spd 35-45 ft. Full sun to part shade, moderate water needs. Fast growing native cottonwood with ascending branches that form a pyramidal crown. The narrow, willow-like leaves are light green in summer turning golden yellow in fall. It will sucker to form groves, but suckers can be pruned for a single stemmed tree. Will do well over 8000’ elevation.

Cottonwood, Nor'Easter Cottonless

Populus x canadensis ‘Noreaster’ Ht 50-75 ft, Spd 40-45 ft. Full sun to part shade, moderate water needs. A broad-leafed cottonwood with an upright habit and great branching even when young. Nor’easter is a sterile female clone that has neither cotton nor pollen and has shown better disease resistance than other clones. This tree is the fastest growing of all the trees we produce. You can almost see it grow!

The picture of this tree was taken in 2010, the tree was planted as a 2.5" in 2005.  It was over 12" caliper at that time, and over 25ft. tall!

Cottonwood, Siouxland Cottonless

Populus deltoides ‘Siousland’ Ht 70-90 ft, Spd 35-45 ft. Full sun to part shade, moderate water needs. Cottonwood with large, dark green, rust-resistant leaves. Fast growing oval headed tree that spreads with maturity. Adaptable. 

Cottonwood, Straight Plains Cottonless

Populus sargentii ‘Jeronimus’ Ht 70-80 ft, Spd 40-50 ft. Full sun to part shade, moderate water needs. This tree was selected for its straight growth habit atypical of the species. Fast-growing native selections with a broad oval head. Requires ample room for growth. 

Crabapple, Adams

Malus ‘adams’ Ht 20-25 ft, Spd 20-25 ft. Full sun to part shade, low to moderate water needs. A larger densely rounded crabapple. New foliage has a reddish tint turning to dark green during the summer. Single dark pink flowers appear in May. The attractive fruit is persistent. Showy orange-red fall color. Rated highly for disease resistance.

Crabapple, Brandywine

Malus ‘Brandywine’ Ht 20-30 ft, Spd 20-25 ft. Full sun to part shade, moderate water needs. Double pink flowers, Vigorous, upright, spreading habit. Strong branch development stands up well in snow. Large, green leaves with purplish tints. Fragrant blossoms are followed by 1½” yellow-green apples which can make good jelly. Excellent resistance to fire blight. Leaves are burgundy in the fall.

Crabapple, Centurion

Malus ‘centurion’ Ht 15 ft, Spd 12-15 ft. Full sun to part shade, low to moderate water needs. Red flowers. Centurion crabapple has red buds that open to red flowers. The fruit is glossy cherry red and 5/8" in diameter. It has upright growth habit that becomes more oval with age.

Crabapple, Coralburst

Malus ‘Coralcole’ Ht 10-15 ft, Spd 10-15 ft. Full sun to part shade, moderate water needs. Double pink flowers. A small, uniform growing globe usually grafted to a 3’ standard. Pruning is seldom needed. Dark green leaves are smaller than other species. Ruby-red flower buds open to semi-double pink flowers. Excellent resistance to fire blight. 

Crabapple, Dolgo

Malus ‘Dolgo’ Ht 25-35 ft, Spd 20-30 ft. Full sun to part shade, low to moderate water needs. White flowers. Upright spreading form with green foliage and golden yellow bark. Bears 1½” crimson fruit which has excellent flavor and makes good jelly. Extreme hardiness, fast growth, good fruit flavor, and resistance to fire blight make this a popular crab. This is Dad's (Jerry's) favorite tree!

Crabapple, Indian Magic

Malus ‘Indian Magic’ Ht 15 ft, Spd 15 ft. Full sun to part shade, low to moderate water needs. Bright red elongated fruit is of unusual shape and makes this tree beautiful in fall. Deep pink flowers with dark green foliage. Fruit is persistent.

Crabapple, Indian Summer

Malus ‘Indian Summer’ Ht 15-20 ft, Spd 15-20 ft. Full sun to part shade, moderate water needs. Rose red flowers. Attractive yellow to orange fall color and the bright red 5/8” fruit which persist through the winter make this a tree for all seasons

Crabapple, Prairie Fire

Malus ‘Prairiefire’ Ht 20 ft, Spd 20 ft. Full sun to part shade, low to moderate water needs. Excellent disease resistance with purple-red leaves turning green with a red cast. Small, dark red-purple, persistent fruit follow. Beautiful pink flowers.

Crabapple, Profussion

Malus ‘Profusion’ Ht 15-20 ft, Spd 15-20 ft. Full sun, low to moderate water needs. This crabapple is noted for its abundant single pink flowers. The new foliage emerges purple and ages to bronze green. The maroon ½” fruits are persistent. Its slender, ascending branches give ‘Profusion’ an upright rounded form. CSU’s crabapple trials indicate that this crab has good fire blight resistance. 

Crabapple, Radiant

Malus ‘Radiant’ Ht 20-30 ft, Spd 20-30 ft. Full sun, moderate water needs. ‘Radiant’ has a compact rounded form. Bright red fruit follows its deep pink flowers to 1/5”, which develops color in midsummer and is not persistent. The bark color is an attractive reddish-orange and shows itself to advantage on the well-developed strong branches. It continues to be one of the better trees for Front Range community.

Crabapple, Robinson

Malus ‘Robinson’ Ht 20-25 ft, Spd 20-25 ft. Full sun to part shade, moderate water needs. Deep pink flowers. This upright crab spreads with age. Leaves are bronze-green with good fall color. The buds are a bright crimson and flowers are followed by dark glossy red 3/8” fruit. A plus for this tree is it’s good to excellent disease resistance for all enemies of the crabapple family: scab, fire blight, rust, and mildew.

Crabapple, Royal Beauty Weeping

Malus 'royal beauty'  Ht. 5ft., Spd. 6ft., Full Sun.  Moderate water needs.  Elegant, small weeping tree trained to a 5' standard.  It has deep, reddish pink flowers and reddish bronze leaves.  Dark red fruit appears in fall and persists throughout winter.  Hardy tree with excellent disease resistance. 

Crabapple, Royal Raindrops

Malus 'JFS-WK5 (PP 14375  Ht. 20-25ft., Spd 15-20ft.  Full Sun.  Low to moderate water needs. Try this unique new crabapple with an upright spreading habit and beautiful reddish-purple, cutleaf foliage. Bright magenta-pink flowers are followed by ¼” persistant red fruit and glorious orange-red foliage in the fall. This tree has good resistance to fireblight. 

Crabapple, Royalty

‘Royalty’ Ht 15 ft, Spd 15 ft. Full sun, moderate water needs. Lovely purplish leaves and red flowers. Excellent for foliage contrast 

Crabapple, Sargent Tina

Malus ‘sargentii’ Ht 6-8 ft, Spd 10-12 ft. Full sun to part shade, moderate water needs. White flower. A dwarf crabapple with horizontal branching, becoming more broad than tall. Great accent for small courtyards or patios. Red fruit is persistent.

Crabapple, Spring Snow

Malus ‘Spring Snow’ Ht 20-25 ft, Spd 15-20 ft. Full sun to part shade, moderate water needs. White flowers. ‘Spring Snow’ is characterized by a perfect teardrop shaped head that stands full and erect without pruning when young, and matures to a rounded form. A sport from ‘Dolgo’ with medium green foliage and yellow bark color, ‘Spring Snow’s’ main claim is that it bears no fruit. Disease resistance is not as good as some other crabs, but no others are fruitless.

Crabapple, Thunderchild

Malus ‘Thunderchild’ Ht 15-20 ft, Spd 15-20 ft. Full sun to part shade, moderate water needs. Light pink flowers. Upright, spreading tree with deep purple leaves throughout summer that turn red in fall. The pink blossoms are followed by ½” dark red fruit. Excellent resistance to fire blight should make this a tree worth considering for those who desire purple leafed accent plants.

Golden Rain Tree

Koelreuteria paniculata Ht 30-40 ft, Spd 30-40 ft. Full sun, low to moderate water needs. Large unique compound leaves that emerge red and mature to green. Panicles, 12-15” long, of small, fragrant yellow flowers cover this tree in mid summer. Papery pods shaped like Chinese lanterns appear in July and persist until November turning from green to yellow or red, then brown. A distinctive ornamental tree. A protected spot is best for planting.

Hackberry

Celtis occidentalis Ht 40-60 ft, Spd 30-60 ft. Full sun to part shade, low water needs (xeric). A large shade tree with an irregular habit when young, maturing to a stately rounded crown. Foliage is light green. Characteristic corky knobbed bark texture. Very adaptable and tolerant of heavy soils. Tiny reddish purple, sweet cherry-like berries that birds love ripen in late summer. A Colorado native.

Hawthorn, Crimson Cloud

Crataegus laevigata ‘Crimson Cloud’ Ht 15-18 ft, Spd 13-15 ft. Full sun to part shade, moderate water needs. Remarkable clusters of crimson flowers with a white star in the center are surrounded by glossy green leaves. Red fruit persists into winter.  

Hawthorn, Russian

Crataegus ambigua Ht 15-25 ft, Spd 20-25 ft. Full sun to part shade, low water needs (xeric). Russian Hawthorn is a small, attractive, broad-headed tree with a moderate growth rate. Its gnarled habit gives the tree an interesting silhouette. Generously endowed with small 3/8” thorns. Leaves are deeply lobed and medium green in summer. Numerous corymbs of white flowers appear in late May. In mid to late summer the whole tree begins to glow as the very abundant 1/5” cherry-like dark red fruits ripen. They decorate the branches like ornaments for 2-3 weeks and are great for attracting birds. It occurs as a single or multi-stemmed form.

Hawthorn, Thornless Cockspur

Crataegus crusgalli inermis Ht 20-30 ft, Spd 20-25 ft. Full sun to part shade, low water needs (xeric) Small, graceful tree with dark green, glossy foliage. Clusters of white flowers bloom in late May followed by ½” bright red persistent fruit ripening in late September. Fall color usually is a very fine orange-red. Good resistance to leaf blight. A vigorous and attractive small specimen tree. Exfoliating bark.

Hawthorn, Toba

Crataegusx mordenensis ‘Toba’ Ht 15-20 ft, Spd 15-18 ft. Full sun to part shade, low to moderate water needs. Medium green summer leaves turn yellow to orange in the fall. Clusters of double white flowers appear in May-June aging to a showy pale pink. Medium-sized red fruit ripens in late summer. The branches and trunk become “muscled” with age adding character to older specimens.  

Hawthorn, Washington

Crataegus phaenopyrum Ht 15-25 ft, Spd 12-20 ft. Full sun, low to moderate water needs. This is a small round headed tree. Clusters of white flowers appear in May followed by glossy red ¼” fruits that persist into winter. The light green foliage turns scarlet-orange in the fall. Abundant ½”- 3/4” thorns are attractive. Excellent for seasonal change. Occurs as a single or multi-stemmed tree. Good resistance to fire blight, but can develop chlorosis in alkaline soil.

Honeylocust, Imperial

Gleditsia triacanthos inermis ‘Impcole’ Ht 30-35 ft, Spd 20-35 ft. Full sun to part shade, low water needs (xeric). A symmetrical, compact variety of thornless, seedless, honeylocust. Bright green, pinnately compound foliage turns gold in the fall. Imperial is more compact and uniform than other honeylocusts and works well in smaller landscapes or as a street tree. Can sometimes produce a few pods.

Honeylocust, Skyline

Gleditsia triacanthos inermis ‘Skycole’ Ht 45-50 ft, Spd 35-40 ft. Full sun to part shade, low water needs (xeric). Pyramidal form with strong, sturdy trunk. Branches are uniformly spaced. Thornless and podless. Yellow fall color. Statuesque crown.

Honeylocust, Sunburst

Gleditsia triacanthos inermis ‘Suncole’ Ht 30-35 ft, Spd 30-35 ft. Tolerates full sun, low to moderate water needs. Irregularly rounded honeylocust clone which is seedless and thornless. Foliage emerges a bright gold and fades to lime green as it matures making this a distinctly different tree. Some say “very desirable” others say “hard to digest”. Medium growth rate.  

Honeylocust, Trueshade

Gleditsia triacanthos inermis ‘Trueshade’ Ht 45-50 ft, Spd 35-45 ft. Full sun to part shade, low water needs (xeric). Pyramidal form with strong, sturdy trunk. Branches are uniformly spaced. Thornless and podless. Yellow fall color.

Kentucky Coffee Tree

Gymnocladus dioica Ht 50-60 ft, Spd 40-50 ft. Full Sun, low water needs (xeric). A large shade tree with a narrow habit when young, maturing to an open broad spreading crown. Pinnately-compounded leaves are blue-green in summer. Fragrant white flower panicles up to 12” long, bloom on female trees followed by mahogany colored seed pods that persist through winter. Male trees have 1” flowers, but no pods. Deeply furrowed bark and stout branches make this tree picturesque in winter. Superior drought tolerance.

Lilac Tree, Ivory Silk

Strubga reticulate ‘Ivory Silk’ Ht 20-25 ft, Spd 15-20 ft. Tolerates full sun, low to moderate water needs. This is a selection of the Japanese Lilac tree that flowers at a younger age, but a more compact form. Has the same glossy dark red-brown bark to cinnamon-brown exfoliating bark. Produces beautiful upright panicles of fragrant, cream white flowers in early to mid-June.

Lilac Tree, Japanese

Syringa reticulata Ht 20-30 ft, Spd 15-20 ft. Full sun, low to moderate water needs. A prolific bearer of 10”-18” upright panicles of creamy white flowers in early to mid-June, making this the latest lilac to bloom. Looks best when the lower branches are removed to form a small multi-stemmed tree. Young branches have glossy dark red-brown to cinnamon-brown exfoliating bark. Foliage is attractive, although if located in a spot exposed to spring winds, can become shredded and look poor all summer long. An excellent, hardy, and unusual tree for streets, or wherever a good specimen tree is needed.

Linden, Corinthian

Tila cordata ‘Corzam’ Ht 45 ft, Spd 15 ft. Full sun part shade, low to moderate water needs. This is the narrowest of the Linden cultivars. The leaves are smaller, thicker, and deep green. They give the tree a finer textured, more delicate appearance. Dark green foliage with yellow fall color.

Linden, Glenleven

Tila cordata ‘Glenleven’ Ht 45 ft, Spd 30 ft. Full sun to part sun, low to moderate water needs. Perhaps one of the most vigorous cordata. More open and faster growing then some other Linden. Will have a yellowish fall color.

Linden, Greenspire

Tilia cordata 'Greenspire’ Ht 30-40 ft, Spd 30-35 ft. Full to part sun, moderate water needs. A dense, pyramidal shape and spicy, fragrant flowers in June to July make this a desirable tree. An excellent lawn or street tree with cinnamon colored bark and dark green leaves that are smaller than the Tilia ‘Americana’ and therefore not as susceptible to wind damage.

Linden, Redmond

Tilia americana ‘Redmond’  Ht 40-60 ft, Spd 25-30 ft. Full to part sun, moderate water needs. A Linden selection with large, dark green leaves and attractive cherry brown bark. Fragrant, yellow flower clusters in June to July. Needs good drainage and proper watering. 

London Plane Tree

Platanus acerifolia ‘Bloodgood’ Ht 60 ft, Spd 35 ft. Full sun to part shade, low to moderate water needs. This wide-spreading, large shade tree is tolerant of city conditions. Foliage is yellowish green turning yellow in fall. Bark is mottled and flaking, resembling dragon scales for a unique look.

Maple, Ginnala/Aumr Flame

Acer ginnala Ht 15-20 ft, Spd 15-20 ft. Full sun to part shade, low water needs (xeric). Can be grown as either a single or multi-stemmed tree. Creamy white flowers in spring, dense summer foliage turns glowing red-orange in fall.