| Picture | Plant Name | Botanical Name | Plant Description |
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| Alkali Sacaton | Sporobolus airoides | Clump-forming perennial grass with lightly sharp-edged, gray-green leaves 12-24" long. In mid summer, produces cloud-like flower pannicles of golden, pinkish bronze 24-36" long above the foliage. Extremely drought tolerant. |
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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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| Angelina Stonecrop | Sedum rupestre 'Angelina' | Low-growing evergreen ground cover with spiky light-green leaves. Yellow, star-shaped flowers bloom in summer. Tolerates poor soil and drought. |
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| Anthony Waterer Spirea | Spiraea japonica 'Anthony Waterer' | Medium sized, rounded deciduous shrub. Produces abundant flat clusters or rose pink flowers in mid to late spring into the summer. Young leaves emerge reddish bronze and turn dark green when mature. Requires significant pruning to promote more flowering. |
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| Aureum Gold Moss Stonecrop | Sedum acre 'Aureum' | Mat-forming, evergreen, succulent perennial. Vigorously growing trailing-stems bear mid-green, triangular leaves. Bears profuse yellow, star-shaped flowers in late-spring to early-summer. Plant in well-drained soils. Works very well in rock-gardens and looks lovely draping over rock walls. |
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| Autumn Joy Sedum | Sedum 'Herbstfreude' | Clump-forming succulent perennial. Dark-green, toothed, glaucous leaves grow on unbranched stems. Late-summer to early-autumn brings flat corymbs of dark-pink, star-shaped flowers eventually turning copper red. Plant in well-drained soils. Tolerant of drought, avoid overwatering. |
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| Berggarten Sage | Salvia officinalis 'Berggarten' | Hairy, evergreen perennial. Cultivar of the culinary sage. Can be used ornamentally and for culinary purposes. Rounded, gray-green foliage grows on comact woody stems. Clusters of purple-blue flowers are borne on erect stems above the plant. Attracts bees and butterflies. Do not overwater. Tolerates drought and heat. |
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| Big Betony | Stachys macrantha | Upright-growing, hairy perennial. Broad, scalloped, dark-green leaves are deeply veined. Hooded purple flowers grow in spikes on tall stems. Grows best in moderately fertile, well-drained soils. Reguires moderate amounts of water. Avoid excessive moisture during the winter months. |
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| Black Beauty Elderberry | Sambucus nigra 'Gerda' | Medium to large deciduous shrub with purple leaves. A cultivar of the European Elderberry. Pinkish-white flowers appear in early summer turning to black fruit. Flowers are lemon scented. Berries are edible and very attractive to wildlife. Have been used to make jams, jellies, and wine. Fruit is not considered as useful as that of the American Elderberry. Leaves and stems are considered mildly toxic. |
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| Blaze Little Bluestem | Schizachyrium scoparium 'Blaze' | Upright growing ornamental grass developed as a high-yielding pasture grass. Also valued for its excellent red fall leaf color. Grows in clumps up to 18 inches across. Grows well in many soil including alkaline and clay. Requires little water once established. |
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| Blue Hill Sage | Salvia x sylvestris 'Blauhügel' | Clump-forming perennial. Dark-green, scalloped leaves grow basally. Bears spike-like clusters of pure blue flowers in summer to fall. Flowers are attractive to bees and butterflies. Tolerant of drought. Prefers dry to medium wet soils. Do not overwater. |
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| Blue Moor Grass | Sesleria caerulea | Cool-season bunch grass with blue, medium wide grass blades. Slow spreader that develops purple spikes in spring. Native to the British Isles in limestone regions. Performs well in alkalike soils. Does not withstand large amounts traffic. Makes excellent groundcover. |
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| Blue Queen Sage | Salvia x sylvestris 'Blaukönigin' | Upright, multi-branched perennial. Mid-green leaves are scalloped and often clasping. Bears dark violet-blue flowers on upright spikes from late spring into autumn. Adaptable to varied types of soils. Prefers full sun to minimal shade. Do not overwater. |
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| Blue Sage | Salvia azurea | An upright, woody-based perennial with several branched stems having mid-dark, grey-green foliage. Produces beautiful pure blue blossoms in dense clusters from late-summer to autumn. Prefers dry to medium moist soils and requires full sun. |
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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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| Charles Joly Lilac | Syringa vulgaris 'Charles Joly' | Large upright growing deciduous shrub. Panicles of fragrant reddish-purple flowers bloom in spring. Remove spent blooms before seed set to promote more blooms later. Dark-green cordate leaves have no fall color. Tolerates many soil types but no extremes. Quite drought tolerant once established. |
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| Cushion Globemallow | Sphaeralcea caespitosa | Low-growing perennial native to west-central Utah. Thick silvery-green ovate leaves are slightly lobed or toothed. Flowers are bright orange and appear in summer in tight clusters. Grows naturally in exposed, dry conditions. Will not tolerate excessive moisture. This variety may not yet be readily available. |
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| Cut-Leaf Elderberry | Sambucus nigra f. laciniata | Large upright deciduous shrub native to parts of northeastern United States. Tiny white flowers appear in spring followed by purple-black berries. Bright green foliage is highly ornamental as well. Berries are edible and are used in jams, jellies, and wines. Stems and leaves are mildly toxic. Prefers regular watering but will adapt to less. |
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| Dorr Sage | Salvia dorrii | Fast-growing, heavy blooming, shrub. Native to the western United States. Highly aromatic gray leaves are resistant to browsing mammals. Brilliant pale-blue to purple flowers bloom in spring. Grows naturally in hot, dry, well-drained locations. Take care to not overwater in the landscape. Excellent plant choice for park strips. |
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| Dragon's Blood Stonecrop | Sedum spurium 'Schorbuser Blut' | Mat-forming, evergreen perennial. Toothed, purple-tinted, green leaves grow on vigorously growing stems. Late summer brings rounded corymbs of dark-pink flowers. Plant in well-drained soils. Prefers moderate amounts of water but may tolerate some drought. Flowers best in full sun. |
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