Acer glabrum
Rocky Mountain Maple
Rocky Mountain Maple can be grown as a tree or shrub, but is much more common as a large, multitrunked, wide-spreading shrub. Allow plenty of room for rampant growth. Leaves are deeply serrated, and often host red galls. Yellow fall color. Accepts most soils. Canopy coverage: 79 square feet.
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Acer grandidentatum
Bigtooth Maple, Wasatch Maple
Bigtooth Maple can be grown as tree or shrub. Trunk is short with a rounded crown. Leaves turn red and yellow in fall. Canopy coverage: 314 square feet.
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Alnus tenuifolia
Thinleaf Alder
This tree has an upright oval form. Native to riparian (streamside) environments, so it is adapted to grow in moist or wet soils. Accepts loam to clay soils. Can be shortlived. Canopy coverage: 314 square feet.
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Amelanchier canadensis
Shadblow Serviceberry
Grow as a large shrub or train as a tree. Ideal for a casual, natural effect. Upright and rounded form. Attractions include the fragrant flowers and yellow, orange and red fall color. Berries emerge as green then turn red then black. They are edible and used for jams and preserves.
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Amelanchier utahensis
Utah Serviceberry
Utah Serviceberry is a Colorado native that grows as a rounded shrub. Flowers in early spring precede the woolly gray-green leaves. Heat and drought tolerant. Accepts a wide range of soils. Canopy coverage: 113 square feet.
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Amorpha canescens
Leadplant
This Colorado native produces striking violet-purple flowers in summer. The somewhat arching stems create an open spreading growth habit. Plant in well drained soil. Canopy coverage: 7 square feet.
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Arctostaphylos x coloradoensis
Panchito Manzanita
This is a ground-hugging Manzanita useful as a low shrub or groundcover, reaching less than 1 foot high. It spreads wide, to 3 feet or more, and will drape nicely over ledges. Red berries follow the flowers in fall. A Plant Select plant. Definitely requires soil with good drainage. Canopy coverage: 7 square feet.
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Artemisia 'Powis Castle'
Powis Castle Wormwood
A prime back of the border or background plant, 'Powis Castle' Wormwood sets the stage for flowering plants in the foreground. Foliage is fragrant. Easy to prune to control size. Best with some protection from the sun in hot summer regions. Canopy coverage: 28 square feet.
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Artemisia absinthium
Common Wormwood
Use as a blending element with brightly colored flowers in the border or in combination. Leaves produce a pungent scent. Requires well-drained soil. Canopy coverage: 7 square feet.
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Artemisia frigida
Prairie Sagewort, Fringed Sage
This Artemisia works well as a low, rounded shrub, border along walkways or integrated into a rock garden. Canopy coverage: 3 square feet.
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Artemisia ludoviciana
White Wormwood
White Wormwood grows fast, spreading by rhizomes, sometimes becoming invasive. Attractive, aromatic, silvery leaves are borne on slender stems, more of an attraction than the small yellow flowers. Canopy coverage: 3 square feet.
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Artemisia ludoviciana 'Silver King'
Silver King Artemisia
Silver King Artemisia has a compact growth habit and spreads rapidly. Canopy coverage: 3 square feet.
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Atriplex canescens
Four-Wing Saltbush
A utilitarian shrub for tough conditions of cold, heat and poor soils. Excellent for revegetation and restoration, as well as for bird cover and habitat. Accepts saline soils. Canopy coverage: 28 square feet.
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Berberis thunbergii atropurpurea
Japanese Barberry
Japanese Barberry is a popular shrub with a rounded, graceful form. Best with some protection from the sun in hot summer regions. Branches are spiny so it makes a good barrier plant. Accepts shearing to become a hedge. Enjoy orange to red fall color and red berries in fall and winter. Many selections are available. Accepts sandy to heavy clay soils. Canopy coverage: 28 square feet.
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Berberis thunbergii 'Crimson Pygmy'
Crimson Pygmy Barberry
Size and foliage color make this a nice foreground plant. Red berries remain on plant from fall into winter. Best with some protection from the sun in hot summer regions. Canopy coverage: 7 square feet.
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Buddleja davidii
Butterfly Bush
Butterfly Bush is a tough, flowering shrub that grows fast to fill an area quickly. Flowers are colorful and fragrant. Canopy coverage: 113 square feet.
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Caragana frutex 'Globosa'
Russian Globe Peashrub
This well-behaved shrub grows slowly but is worth the wait. Its globe shape evokes a more formal appearance. Yellow fall color. Accepts some shade. Canopy coverage: 7 square feet.
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Caragana pygmaea
Pygmy Peashrub
Pygmy Peashrub grows as a rounded, irregular mound with slender, arching branches. The bright yellow, pea-shaped flowers bloom in late spring. It makes a good hedging plant. Accepts a range of soils, even poor soil, as long as it is well drained. Canopy coverage: 20 square feet.
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Caryopteris x clandonensis
Blue Mist Spirea
Blue Mist Spirea grows as a mounding, rounded shrub with upright branches. it produces profuse amounts of blue flowers in mid- to late summer. Plant may die to the ground in winter. Prune back to less than 1 foot high in spring prior to new growth. Accepts sandy to clay soils. Canopy coverage: 7 square feet.
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Celtis occidentalis
Western Hackberry
Adapted to grow in a wide range of climates, Western Hackberry is also known as Common Hackberry. Grows as a large shrub or tree—give it more water for tree form. Best to plant from containers rather than bare root for better establishment. Yellow fall color and small red to purple fruit are attractions. Canopy coverage: 1,963 square feet.
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Cercocarpus ledifolius
Curl-leaf Mountain Mahogany
Curl-leaf Mountain Mahogany makes a suitable background plant. It can be trained to become a small tree to show off its rich, reddish brown bark. The small white flowers remind one of roses. Plant in well drained soil. Best with some protection from the sun in hot summer regions. Canopy coverage: 79 square feet.
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