| Picture | Plant Name | Botanical Name | Plant Description |
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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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| Chinese Wisteria | Wisteria sinensis | Vigorous, twining deciduous vine that is long lived, with trunk becoming quite large. Beautiful pea-like, frangrant, lilac-blue to white flowers in dense clusters 6-12" long appear in late spring even before the leave foliage unfolds. Flower clusters are followed by attractive velvety pods 6" long. Needs a strong structure to climb on, and handles both sun and shade. Correct pruning is important for best plant bloom. |
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| Walker's Low Catmint | Nepeta racemosa 'Walker's Low' | Member of the mint family. Despite its name it is not low-growing. Stunning dark lavender blue flowers provide great spring interest. If dead-headed or sheared will flower again in late-summer. Clumps of gray-green fragrant foliage provide attraction when not in bloom. This variety does not reseed. |
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| Wargrave Pink Geranium | Geranium × oxonianum 'Wargrave Pink' | Compact, clump-forming herbaceous perennial with deeply lobed green leaves. Five-petaled pink flowers bloom in spring and will rebloom sparsely if deadheaded. Tolerant of many soil types and will tolerate some drought. |
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| Wasatch Penstemon | Penstemon cyananthus | Upright perennial native to Utah, Montana, and Colorado. Dark green glossy leaves form a low rosette. Bears bright blue tubular flowers in early spring to late summer on tall stalks. Requires minimal care. Resistant to diseases and grows well in poor soils. Very drought tolerant. |
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| Washington Hawthorn | Crataegus phaenopyrum | Small to medium pyramidally growing deciduous tree. Thorny limbs are covered with pure white flowers in the spring followed by bright red fruit that is preferred by birds. Glossy dark green leaves turn bright red in the fall. Works well as a specimen plant or as a screen. Can be difficult to work with due to the thorns. Tolerant of many soils and drought. |
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| Wavyleaf Oak | Quercus undulata | Tall, deciduous shrub native to Utah. Wavyleaf Oak is a hybrid of Gambel Oak (Q. gambelii) and Shrub Live Oak (Q. turbinella). Elliptical leaves have wavy edges and are dark blue-green above and dull green and hairy underneath. May be difficult to find for resale. |
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| Weeping Blue Atlas Cedar | Cedrus atlantica 'Glauca Pendula' | Weeping form of Blue Atlas Cedar. Has irregularly shaped crown and will depend on how the tree was trained. Bluish-green needles, silvery bark and unique shape make this small tree stand out. Excellent specimen plant. |
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| Weeping Norway Spruce | Picea abies 'Pendula' | Slow-growing irregularly shaped evergreen conifer. Pendulous branches weep off of a fairly straight leader. Short stiff dark green needles, reddish-brown bark, and light brown cones make this plant a beautiful centerpeice for any landscape. May require some staking to help it attain a desirable form. |
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| Weeping Pea Shrub | Caragana arborescens 'Pendula' | Large deciduous shrub native to Manchuria and Siberia. Very tolerant of cold temperatures. Cascading branches with coarse dark green foliage make this an excellent accent plant. Yellow flowers bloom in May turning to green pea-like pods. As the pods age, they turn brown and split open flinging seeds. Tolerant of drought and heavy soils. |
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| Weihenstephaner Gold Stonecrop | Sedum kamtschaticum var. floriferum 'Weihenstephaner Gold' | Low-growing, clump-forming succulent. Glossy, dark-green, leathery leaves are inversely lance-shaped and toothed at the tips. Bears profuse, star-shaped, bright yellow flowers in late-summer turning to orange-red seed heads. Plant in well-drained soils. |
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| Wells Dolly's Choice Pine | Pinus mugo fastigiata 'Wells Dolly's Choice' | Small, conical-shaped dwarf conifer. Open, upright growing form of mugo pine. Dark green 2 inch long needles are borne in pairs. Little used but should be used more. Best planted in small areas where evergreen interest is desirable. Tolerant of many soil types. Plant in well drained soils. Can tolerate some drought once established. |
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| Westerland Rose | Rosa 'Korwest' | Vigorous climbing rose. Large, fragrant apricot-orange double flowers grow in large clusters. Blooming begins in late-spring and will last all summer. Removing spent blooms will increase the number of blooms. Bright green glossy leaves grow on stiff stems. |
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| Western Columbine | Aquilegia formosa | Airy tall-growing perennial with attractive fern-like foliage. The red-yellow blooms appear in late spring and last into early summer. Native to the western United States. Drooping blossoms are borne on tall stems. Parts of this plant have been used medicinally. |
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| Western Larkspur | Delphinium occidentale | Erect robust perennial native to the northwestern United States. Pale blue to whitish flowers bloom starting in late June through August. Bluish-green leaves grow alternately along the tall stalks. All larkspurs are highly toxic and should not be ingested. May be hard to find in nurseries. |
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| Western Redbud | Cercis occidentalis | Small tree or large-shrub. Often mulit-stemmed or low-branching. Beautiful heart-shaped leaves are bronze to purple when new turning bluish green then yellow in fall. Spring brings magenta buds followed by abundant clusters of rosy-pink flowers. Adaptable to many soil types. Moderately drought tolerant. Marginally hardy. |
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| Western Sand Cherry | Prunus besseyi | Ornamental shrub with profuse sweet smelling white flowers in spring, followed by large black-red sweet edible fruit. Foliage is silvery green turning to red/purple in autumn. Prefers moist, well drained soil, but can handle hot, dry spots. |
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| Western White Clematis | Clematis ligusticifolia | Climbing vine native to the western United States. Profuse white flowers bloom in summer into fall. The white puffball seedheads are more conspicous and very attractive. Can be a very vigorous grower. Parts of the plant were used medicinally by some native North American Indian tribes. |
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| Whipple's Penstemon | Penstemon whippleanus | One of the few penstemons that will tolerate moisture and some shade. Prefers well drained to rocky soils and has medium drought tolerance. Blooms rich magenta flowers with an elegant form from July to August in its native high elevation habitat. Will bloom sooner at lower elevations. |
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| Whirling Butterflies Gaura | Gaura lindheimeri 'Whirling Butterflies' | Upright growing clump-forming perennial. White 4-petaled flowers begin blooming in spring and continue throughout the summer. Flowers resemble small butterflies. Narrow leaves are mid-green. Prefers to grow in full sun. Shade and excessively rich soils will cause the plant to flop. Will tolerate some drought. |
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