Abelia x grandiflora
Glossy Abelia
Many selections of Glossy Abelia are available in a range of different flower colors. May be semievergreen in cold climates at 15F. Canopy coverage: 20 square feet.
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Acacia constricta
White Thorn Acacia
White Thorn Acacia can be grown as a tree or shrub—often with multiple trunks. Casual growth habit works well in naturalistic landscapes. Canopy coverage: 177 square feet.
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Acacia greggii
Cat-claw Acacia
Cat-claw Acacia is easy to maintain as a shrub form. Requires little water. However, additional irrigation increases growth, which allows pruning to create a small tree. Curved thorns are the reason behind its common name, making it an excellent barrier plant. Canopy coverage: 113 square feet.
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Acacia rigidula
Blackbrush Acacia
The shrublike form of Blackbrush Acacia creates an effective screen. Medium-size thorns present a security barrier. Distinctive dark green foliage contrasts nicely when combined with gray-leaved plants. Canopy coverage: 177 square feet.
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Ambrosia dumosa
Burrobush, White Bursage
Burrobush is a medium-sized shrub accepting of tough conditions. It has a rounded, compact growth habit with unique, whitish gray leaves. Canopy coverage: 7 square feet. Photo courtesy Mountain States Wholesale Nursery.
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Anisacanthus quadrifidus var. wrightii
Flame Honeysuckle
The growth habit of Flame Honeysuckle can range from rounded to irregular. 'Mexican Fire' is an improved selection, producing deep red flowers. Canopy coverage: 20 square feet.
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Arctostaphylos densiflora 'Howard McMinn'
Howard McMinn Manzanita
Provide this shrub with soil that has good drainage. Accepts low summer water but slow, deep infrequent irrigations are recommended. Striking bark color is mahogany with a purplish hue. Canopy coverage: 50 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 filifolia
Silver Sage
Silvery lacy leaves make a nice background to lower-growing flowering plants in the foreground. Canopy coverage: 20 square feet. Photo courtesy Mountain States Wholesale Nursery.
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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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Artemisia tridentata
Bigleaf Sage
Bigleaf Sage has an upright, variable growth habit with distinctive stiff branches. Useful for erosion control on slopes. It is excellent as a wildlife habitat. Plant in soil with good drainage; it does not accept clay soils. Canopy coverage: 20 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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Baccharis x 'Centennial'
Centennial Broom, Coyote Bush
This shrub is a hybrid, with a more uniform appearance compared to the species. It is well-adapted to groundcover duty. A female plant, it does produce the fluff called pappus that can be messy. Canopy coverage: 20 square feet.
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Baccharis x 'Starn' Thompson
Thompson Baccharis
This selection is similar to 'Centennial', but it is a male plant, so it does not produce seed fluff that can sometimes be messy. Cutting established plants back in late winter prior to new growth helps keep plants fresh looking. Canopy coverage: 20 square feet.
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Bauhinia lunarioides
White Orchid Tree
This Bauhinia is more cold hardy than its cousins and is considered to be semievergreen. It is small in stature, which allows its use as a patio tree or flowering shrub tucked into a confined space. 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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Berberis trifoliata
Desert Barberry
This is a wide-spreading, evergreen shrub, useful for screens and barriers—the sharp, stiff, spiked leaves help make sure of that. Requires little water after plants are established—typically after two summers. Accepts high heat. Bluish black berries follow flowers in late fall and winter. Canopy coverage: 20 square feet.
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Buddleja alternifolia
Fountain Butterfly Bush
This is a large shrub that can also be trained to become a small tree. Butterflies cannot resist the fragrant flowers. 'Argentea', shown in photos, is an improved selection and a Plant Select plant. Canopy coverage: 113 square feet.
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