Abutilon palmerii
Desert Abutilon, Indian Mallow
The open, casual form of Superstition Mallow lends itself to a naturalistic, subtropical effect. Velvety leaves are soft to the touch. 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 covenyi
Blue Bush
Use Blue Bush as a small tree or large screen. You'll like the distinctive, bluish gray foliage color and 3-inch, rounded leaves. Best with some protection from the sun in hot summer regions. Bright yellow flowers are fragrant and bloom early in the season. Avoid overwatering, especially in summer. Canopy coverage: 177 square feet.
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Acacia craspedocarpa
Leatherleaf Acacia
The shrubby tree form of Leatherleaf Acacia works well as a dense screen. Leaves are thick with a rounded shape. Bloom is sporadic from spring through summer. Canopy coverage: 50 square feet.
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Acacia cultriformis
Knife Acacia, Knife-leaf Wattle
A sprawling shrub that can be trained to become a small tree, Knife Acacia has distinctive triangular-shaped leaves. Yellow to cream, puffball flowers are profuse in early to midspring. Makes a good barrier or screen. 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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Acca sellowiana
Pineapple Guava
Pineapple Guava can be grown as small tree, hedge or screen. Unusual fleshy fruit are edible. Gray-green leaves are woolly white underneath. Canopy coverage: 79 square feet.
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Alyogyne huegelii
Blue Hibiscus
This flowering shrub is better with afternoon shade in hot-summer regions. Hibiscus-like flowers are large—up to 4 inches across. Canopy coverage: 13 square feet.
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Ambrosia deltoidea
Triangle Leaf Bursage
Triangle Leaf Bursage is a good choice as a low-maintenance subshrub for the landscape perimeter, or for revegetation and erosion control on banks and slopes. Mounding, casual growth habit. Canopy coverage: 3 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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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 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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Asparagus densiflorus 'Myers'
Foxtail Fern
The foliage of Foxtail Fern consists of interesting plumes of foxtail-shaped, needlelike leaves. Great container plant. Prefers afternoon shade in hot-summer regions. Canopy coverage: 7 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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