| Picture | Plant Name | Botanical Name | Plant Description |
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| Alpine Baby's Breath | Gypsophila petraea | An alpine perennial with masses of small white flowers on upright stems. Abundant dark green clumps of narrow foliage are a nice addition to any rock garden. Availability of this variety is not as great as other species. Needs excellent drainage and consistent watering. |
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| Alpine Skullcap | Scutellaria alpina | Low-growing, spreading perennial with gray-green, toothed-leaves. Blooms during mid-summer with lavender and white flowers. Does best in full sun or partial shade with some additional watering. Great addition for rock gardens and to attract pollinators. Seed pods provide interest during late-summer and fall. |
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| Amur Maple | Acer tataricum subsp. ginnala | Small tree with irregularly shaped canopy native to parts of Asia. Usually forms multi-stemmed tree but can be single-stemmed with proper training. The tri-lobed glossy leaves emerge early and spring and turn bright red in the fall. Inconspicuous pale yellow flowers bloom in late spring followed by bright red winged seeds. |
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| Barren Strawberry | Waldsteinia ternata | Low-growing groundcover that looks similar to a strawberry. Leaves are trifoliate and medium green with serrated edges. Flowers resemble those of the strawberry but are yellow and produce inedible fruit. Spreads readily and forms an attractive green carpet. |
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| Beach Strawberry | Fragaria chiloensis | Low-growing, fruit-bearing perennial. One of the parents of the garden strawberry. Native to the Pacific Coasts of North and South America and including Hawaii. Deep green trifoliate leaves have serrated edges. Numerous runners allow the plant to spread into large clumps. Red fruit is edible. Grow in fertile, well-drained soil. Requires moderate amounts of water. |
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| Bigtooth Maple | Acer grandidentatum | Small, usually multi-stemmed tree native to the Western United States. Can be trained to grow on a single stem. Attractive fall color varying from red to yellow depending on the climate. Requires occasional deep soaking to keep healthy. Subject to winter sunscald on bark and some chlorosis. Avoid Rocky Mountain Glow variety due to inferior performance in Utah. |
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| Bitterbrush | Purshia tridentata | Native plant to western United States. Small gray-green leaves are woolly underneath. Important forage plant for deer and chipmunks. Abundant cream-yellow flowers appear in spring and summer. Tolerant of many soil types and helps with erosion control. |
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| Blue Bouquet Speedwell | Veronica spicata 'Blue Bouquet' | Clump-forming perennial with ascending, tapered spikes dark violet blossoms during early summer. Dark green leaves are lance-shaped and grow on short stems Prefers full sun and well drained soil. A great cut flower. Attracts bees and butterflies. |
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| Blue Clips Carpathian Bellflower | Campanula carpatica 'Blaue Clips' | Low-growing herbaceous perennial. Violet-blue bell shaped flowers grow profusely in mid to late-spring. Forms a mass of small dark-green leaves that stay compact and mounded. Prefers moderate amounts of water and organic soils. Use mulch to keep the soil cool. Needs adequate watering during the heat of the summer. |
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| Butterfly Blue Pincushion Flower | Scabiosa 'Butterfly Blue' | Long-blooming, compact, clump-forming perennial. Lavender-blue flowers have discs of petals on the outside and a mound of stamen on the inside that resemble pins. Flowers are borne one per stem and will bloom almost continuously through the year until frost. Grayish-green leaves are deeply cut. |
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| Cherry Bells Spotted Bellflower | Campanula punctata f. rubriflora 'Cherry Bells' | Clump-forming, slowly-creeping perennial. Haning, bell-shaped flowers vary in color from cherry-red to dull rose with spots inside the petals. Blooms appear in late-spring to early-summer. Deeply-lobed, mid-green leaves grow on short stems arising from a basal rosette. Grow in well-drained soil with moderate amounts of water. |
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| Cheyenne Mock Orange | Philadelphus lewisii 'Cheyenne' | 2001 Plant Select winner. Spreading deciduous shrub selection developed at the Cheyenne Research Center in WY. Profuse fragrant white flowers bloom in early summer. Arching branches bear bright green finely toothed leaves. Plant in enriched soils and water deeply but infrequently once established. |
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| Colorado Blue Columbine | Aquilegia coerulea | State flower of Colorado. The most popular of the wild columbines due to its large blue and white flowers. The attractive blue-green foliage, though not its primary feature, adds to the beauty of this plant. Prefers cooler, higher elevation areas. Does not tolerate exteme drought. |
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| Colorado Gold Gazania | Gazania linearis 'Colorado Gold' | Low-growing perennial with linear leaves growing from a basal rosette. Leaves are dark green on top and silvery-gray underneath. Bright yellow daisy-like flowers appear in late spring and early summer. Mass plantings can create a groundcover. May be invasive if allowed to spread into the lawn. |
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| Crawling Baby's Breath | Gypsophila cerastioides | Low growing Himalayan native perennial with masses of small white flowers on upright stems. Abundant dark green clumps of narrow foliage are a nice addition to any rock garden. Availability of this variety is not as great as other species. Needs excellent drainage. |
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| Creeping Baby's Breath | Gypsophila repens | Low growing perennial with masses of small white flowers on upright stems. Abundant gray-green clumps of narrow foliage are a nice addition to any rock garden. Availability of this variety is not as great as other species. Needs excellent drainage. |
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| Creeping Mahonia | Mahonia repens | Low-growing broadleaf evergreen shrub. Dark green holly-like leaves emerge red and turn burgundy during the winter. Bright yellow flowers bloom in spring followed by blue berries. Berries are edible but quite sour. Adaptable to many soil types and does well in full sun or full shade. Reasonably drought tolerant. |
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| Creeping Wallflower | Erysimum kotschyanum | Low-growing, mat-forming perennial. Tight masses of small, rounded, bright-green leaves grow well in small crevices and around rocks. Prefers well drained soils. Do not overwater. |
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| Curl-Leaf Mountain Mahogany | Cercocarpus ledifolius | A long-lived, evergreen, multi-stemmed, woody shrub to 15 ft. or small tree to 40 ft. Has leathery, glossy dark green foliage and aromatic reddish-brown bark. Flowers are white, small and insignificant, appearing in early summer. Long, twisted, plume-tailed fruit comes in fall. Very drought tolerant. |
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| Daffodil | Narcissus spp. | Group of varied bulbous perennials. Flowers are borne singly or in clusters and consist of a corona (trumpet) surrounded by petals. Long slender leaves are dark green. Sizes vary and the smallest can under 6 inches with the tallest being close to 30 inches. Deer will not eat these plants and are a good bulb for areas with deer problems. Tolerant of many soil types and is a good example of a drought avoider, blooming early and reaching dormancy before the hot and dry months. |
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