(Morus alba sp.) Drought tolerant, fast growing vase shaped shade tree. Fruitless. Glossy leaves. 30 to 40 feet. Up to 40 foot spread. Hardy to USDA Zone 6B.

Smaller, more desirable than the species. Sharply contrasting green and white variegated leaves, large showy clusters of white fruit - a striking accent tree for the landscape. Likes water, good lawn tree. Grows to 30 ft. or more. Sunset Zones 1-10, 12-24.

Columnar form, yellow/orange fall color. Excellent landscape tree for tight growing spaces. Fast growing to 50 ft. x 15 ft. Zone 4.

Burgundy-colored new growth fades to a dark leathery green while growing tips retain red coloration. Dense canopy and fast growing. Zone 5.

40-100 ft.tall, equal spread. Attractive, open form. Red, orange and yellow fall colors in cold climates. Main limbs are strongest if wide-angled. Not tolerant of alkaline soil, drought. Sunset Zones 1-9, 14-24.

(Acer × freemanii ‘Jeffersred’) Hybrid of silver maple and red maple. Has character and fall color similar to red maple with adaptability comparable to silver maple. Dense oval shaped canopy. Bright red to orange fall color. Drought tolerant. USDA zones 5-9.

Rapid growth to 35 ft. high by 50 ft. wide. Fernlike branches, pink pompon flowers. Tolerates hot summer, desert conditions. Drought tolerant, but best with ample water. Selection 'Ernest Wilson': pink and white flowers, more winter hardy than the species. Sunset Zones 2-23. Clump form is a multi-stemmed tree.

(Betula jacquemontii) Whitest bark of all birches. Upright, narrow growth to 50 by 30 ft. Dark green, leathery leaves. Needs ample water, regular feeding.

Strong weeping habit, fast growing. Peeling bark typical of river birch. Zone 4.

(Betula pendula) Most popular deciduous tree in the West. 30-40 ft. high, with weeping side branches and delicate, lacy foliage. White bark. Does best with ample water and fertilizer. USDA zones 6-9. Sold as single-trunk tree or clump (3 or more stems).

Widely adapted - cold or hot climates. All soils. Large, heart-shaped leaves, long seed capsules shaped like beans. White flowers in late spring and summer. Flowers & pods litter beneath tree. 40-60 ft. high.

Round-headed tree to 25-35 ft. Large, bright green leaves. Spectacular display of purplish-pink flowers in spring. Fall color in colder climates. Average water. Sunset Zones 1-3, 7-20. USDA zones 3-9.

(Cercis canadensis `Forest Pansy’) Striking scarlet-colored new foliage turning maroon then green as the leaves mature. Highly valued as a landscape accent. Swelling buds break pinkish-red along the bare branches, similar to Eastern redbud. Moderate grower to 20 ft. with a spreading habit. USDA Zones 4-9.

(Cercis canadensis mexicana) Profuse pinkish-purple flowers in spring. Glossy, scalloped, blue-green leaves. Tolerates hot summers. Smaller than other redbuds, to 15-20 ft. USDA Zones 7-10.

(Cercis occidentalis) Single or multi-trunked tree to 15 by 15 ft. Spectacular, bright purplish-pink sweet-pea-shaped flowers. Yellow to red fall color. Drought tolerant, resistant to oak root fungus. USDA Zones 4-9.

(Chilopsis linearis ‘Bubba’) Bi-colored trumpet blooms, pale violet with a yellow throat. Blooms throughout summer. Open habit small tree or large shrub. Seedless. Very drought tolerant. Provide adequate drainage. Herbaceous in coldest climates. USDA Zones 6-9.

(Chilopsis linearis ‘Burgundy’) Small tree grows moderately fast to 20 ft. Long narrow leaves, distinctive crooked trunks with shaggy bark. Open growing, casts light shade. Attractive, large, trumpet-shaped, fragrant, reddish-purple flowers attract hummingbirds. Long flowering season, spring to fall. Clump form is a multi-stemmed tree. USDA Zones 7-10.

Magnificent in bloom. Moderate grower to 20 ft. Flowers in clusters to 4 inches in length.

Chilopsis linearis x Catalpa bignonioides. Very fast-growing, relatively small single or multi-trunked tree, reaches approximately 20 by 20 ft. Very drought tolerant. Large clusters of trumpet-shaped flowers in summer are pale purplish-pink with pale yellow throat. Long, narrow, attractive, glossy green leaves. Hybridized in Russia. Adapted to Southern California and low desert climates of the Southwestern U.S.

Purple foliage, rich purple "smoke": hazy-appearing clusters of fuzzy, purple flower stalks. Multi-trunked shrub or small tree to 20 by 20 ft. Likes cold, needs good drainage, resists oak root fungus. All zones.

Glossy green foliage, large clusters of small white flowers late spring/early summer. Red and orange fall color. Showy, bright red fruit in fall and winter. Less susceptible to fire blight than other hawthorns. Open growth habit to 25 by 20 ft. wide. Sunset Zones 1-11, 14-17.

Fast growing, tolerates heat, cold, alkaline soil. Compact, round-headed. Small, delicate leaves, lacy appearance. Purplish-red fall color. No seeds. 25-35 ft.

Evergreen in low desert, semi-deciduous in colder climates. Very attractive foliage. Fast-growing, spreading with age, may eventually reach 60 ft. Not hardy below 20 degrees. Deep watering recommended.

Fast growing shade tree. Broad canopy. Good performer in the desert Southwest. Long lasting yellow fall color. Size to 35 ft. x 35 ft. Hardy to USDA zone 6.

(Fraxinus velutina glabra) Beautiful deciduous shade tree for arid climates - blight caused by anthracnose fungus may be a problem elsewhere. Vigorous, to 50 by 30 ft. wide. Spectacular yellow fall color. USDA Zones 6-10.

(Gleditsia triacanthos inermis ‘Shademaster’) Very fast-growing, deciduous. Tolerates heat, cold, wind, drought, alkaline soil. Distinctive small leaflets, long seed pods. 50-60 ft. USDA Zones 6-9.

(Laburnum vossii) Small tree to 30 ft. Green bark, clover-like bright green leaves. Yellow flowers in wisteria-like 10- to 20-inch-long clusters. Prefers neutral to acidic soil, not tolerant of extreme heat. Relatively pest free. USDA Zones 6-9

Fast-growing, to 40 by 50 ft., dense shade. Tolerates summer heat, alkaline soil. Drought tolerant, but best with ample water and feeding. Not necessary to prune back to trunk each winter. All zones.

Native to Texas and Mexico. Distinctive exfoliating bark. More disease resistant than other sycamores. 70 to 80 feet tall, 50 feet wide. USDA Zones 5 to 10.

Large tree to 80-100 ft. Large, light green leaves, lobed like maple. Mottled, multi-colored trunks due to bark shedding in patches. Tolerates heat, wind, likes deep watering in summer. Sunset Zones 4-24. USDA zones 5-10.

Fast-growing deciduous tree to 80 ft. Large maple-like leaves, distinctive patchy bark pattern. Resists anthracnose, tolerates smog. Very desirable for street, park, and lawn plantings. Sunset Zones 2-24. USDA zones 6-10.

(Platanus x acerifolia ‘Yarwood’) Similar to Bloodgood London Plane. Fast-growing to 80 ft. tall by 30-40 ft. wide. Excellent for city plantings, streets and parks. Thought to be more resistant to anthracnose than other Sycamores. USDA Zones 6-10.

(Populus candicans, P. balsamifera ‘Balm of Gilead’) Broad-topped tree to 60 ft. Shimmering leaves are especially distinctive and ornamental. Widely adapted, even to desert. Very fast growing. Invasive roots. All zones.

Broad-topped, fast growing tree to 50-60 ft. Shimmering leaves are especially distinctive, ornamental. Bark nearly white. Widely adapted, including desert. Invasive roots.

Rapid growth to 40-100 ft. Columnar form, used for quick screen or wind break. Yellow fall color. Shimmering leaves are especially distinctive, ornamental. Invasive roots. All zones.

(Populus tremuloides) Very distinctive tree - light green round leaves flutter and shimmer in the slightest breeze. Fast growing to 40-60 ft. Smooth bark, light gray-green to almost white. Bright yellow fall color. USDA Zones 6-8.

(Quercus lobata) California White Oak. Native to California’s inland valleys and foothills. Massive trunk and limbs twist into unique shapes. Trees reach 70 ft. or more, equal spread. Dark green, deeply cut lobed leaves, dark gray checked bark. Prefers deep soil, tolerates alkaline soil. USDA Zones 4-10.

(Quercus rubra) Large, slow-growing, round-topped tree to 90 ft. Deciduous. Large leaves, fall color is red to reddish-brown, sometimes orange. Needs fertile soil and ample water. Deep root system. USDA Zones 4-9.

Shapely deciduous tree to 40 ft. Tolerates heat/cold/poor soil/drought. Small leaflets, reddish new growth. Large, purplish pink showy flowers, prolonged bloom. Deep watering recommended. Alternate scientific name Robinia x ambigua 'Purple Robe'. All zones.

Fast-growing, cold hardy, short dormant period. Long narrow leaves, pronounced weeping growth habit. Needs plenty of water. Stake high to develop usable area underneath. 30 by 30 ft. or larger.

Reported to be less susceptible to borers than standard willow. Very vigorous. Leaves bluish green. Broader than standard willow, growth habit somewhat less weeping. 40-50 ft., wider than tall. All zones.

Remarkable growth pattern of twisted, spiraling branches. Less dependent on high soil moisture than other willows - good choice for high desert. Grows to 30 by 20 ft. All zones.

Showy bright orange-red fruit in fall. Upright growth, oval to rounded, reaching 35 by 25 ft. White flower clusters, dark green fernlike leaflets. Tolerates heat, cold, wind. Fall colors vary. Sunset Zones 1-10, 14-17. USDA zones 4-9.

(Ulmus parvifolia ‘Drake’) Deciduous in cold climates, evergreen elsewhere. Very fast growth to 50 ft. Long arching/weeping limbs, tree wider than tall. Virtually pest/disease-free. USDA Zones 6-10.

(Ulmus parvifolia ‘True Green’) Graceful rounded tree is fast growing to 30-40 ft. with nearly evergreen foliage. Well adapted to any soil and weather conditions, drought tolerant. USDA Zones 6-10.