Revised Approved Tree List: Small Trees

Annual Growth Rate Water Mature Mature Botanical Common Size Slow (<12") Needs Pest & Disease Residential Height Spread Description Disadvantages Park Landscape Name Name Class Medium (12"-24") (Low, Susceptibility & Street (Ft) (Ft) Fast (>24") Moderate)

SMALL STATURE TREES SMALL STATURE TREES Punica Fruitless. Develops a white granatum California Sunset flower in spring. Fall color is Flat Mites, Leaf Rollers, SMALL 10-15 10 M M Wet fruit litter issue. x x 'California Pomegranate gold. Adapted to a variety of soil Heart Rot Sunset' conditions. Caesalpinia Utility friendly. Use thornless Cascalote Extra structural cacalaco SMALL 15-20 15-25 M L variety. Heat and sun loving White flies x x (thornless) pruning needs. 'Smoothie' plant. Attracts humming birds. Utility friendly. Mid-summer flowering with blue or lavender Vitex agnus- Branch strength rated Chaste tree SMALL 10-15 15-20 M M flowers. Deciduous - fall color is N/A x x x castus as medium weak not showy. Resistant to oak root fungus. Utility friendly. Taller specimens may require minor height Chionanthus Chinese fringe Wet fruit litter issue. SMALL 10-20 6-12 M M reduction if under wires. N/A x x x retusis tree Allergy Health Hazard. Fragrant white flowers. Dark purple drupes. Utility friendly. California native. Dry fruit litter issue. Chilopsis linearis Desert willow SMALL 15-30 10-20 F L Drought tolerant. Attracts birds. Root Rot x x x Allergy Health Hazard. Bright and colorful flowers.

Appendix | 107 Revised Approved Tree List: Small Trees (Continued)

SMALL STATURE TREES SMALL STATURE TREES Utility friendly. Taller specimens may require minor height reduction if under wires. Cercis Deciduous with gold fall color. canadensis var. Oklahoma Glossy, chordate leaves. Showy, Scales, Canker, Leaf SMALL 15-20 15 M M N/A x x x texensis redbud pink flowers in spring. Spot, Verticillium 'Oklahoma' Persistent, purple seed pod in summer. Low potential for root damage. Resistant to wind damage. Utility friendly. Drought tolerant. Grows in a variety of Dodonaea soil conditions. Attracts Scales, Phytophthora, viscosa Purple hopseed SMALL 15-20 10-15 F L birds.Showy pink or white seed N/A x x x Root Rot 'Purpurea' develops in summer or fall. Not Deer Palatable. None Known Health Hazard. Cotinus Leaf Rollers, Leaf Spot, Royal Purple' Utility friendly. Purple to red leaf Branches droop but coggygria 'Royal SMALL 12-20 10-20 M L Canker, Scab, x x x smoke tree color. Showy pink flowers. resist breakage. Purple' Verticillium Utility friendly. Taller specimens may require minor height reduction if under wires. California native. Adapted to a Scales, Thrip, Sudden Heteromeles Toyon SMALL 15-25 8-15 M L wide variety of soil conditions. Wet fruit litter issue. Oak Death, Oak Root x x x arbutifolia Dark green, opblong foliage. Rot, Root Rot Evergreen. Showy, white flowers in summer. Drought resistant. Attracts birds and bees.

Appendix | 109 Revised Approved Tree List: Medium Trees

MEDIUM STATURE TREES MEDIUM STATURE TREES Low root damage potential. Tree Awkward shape when is extremely durable and young. Requires some tolerant to both urban and rural structural pruning. conditions. It's also drought, Pistache Chinese pistache Female trees produce MEDIUM 40-50 30-40 M L heat, and wind tolerant. Long Root Rot, Verticillium x x x chinensis (male only) clusters of small lived species provides much round green berries shade and produces spectacular which some consider fall colors in shades of orange, messy. red-orange, and crimson.

Utility friendly. Taller specimens Branch Strength Tristaniopsis Elegant water may require minor height Rated as Medium MEDIUM 20-35 15-25 S L Scales x x x laurina 'Elegant' gum reduction if under wires. Can be Weak. Dry fruit litter trained as a multi-trunked tree. issue.

Low root damage potential Magnolia ranch strength is medium with liliiflora ‘Nigra’ x dense leaves. Longevity is Aphids, Scales, Spider 'Galaxy' Magnolia MEDIUM 20-30 15-20 M M Low availability x x x Magnolia. medium. Tree blooms at a Mites, Leaf Spot sprengeri ‘Diva’ young age.

Low root damage potential Allergy Health Hazard. Beetle Borers, Plant Koelreuteria Tolerates cold, heat, drought, Low density leaf. Goldenrain MEDIUM 20-35 20-35 M M Bug, Scales, Root Rot, x x x paniculata wind and alkaline soil. Requires Verticillium low to moderate maintenance.

Appendix | 111 Revised Approved Tree List: Medium Trees (Continued)

MEDIUM STATURE TREES MEDIUM STATURE TREES Low root damage potential. Requires moderate Tropical flowering tree is one of maintenance to Lagerstroemia Japanese crape the most outstanding summer remove suckers and Aphids, Powdery MEDIUM 20-30 20-30 M M x x x fauriei myrtle bloomers. Leaves are appealing to prune for flowers. Mildew, Sooty Mold as they turn red right before This trees provides they fall in the winter. little shade.

Utility friendly. Taller specimens may require minor height reduction if under wires. Scales, Thrip, Resistant to oak root fungus. Arbutus Anthracnose, Marina Madrone MEDIUM 40-50 40 M L Red, exfoliating bark. White to Wet fruit litter issue. x x 'Marina' Phytophthora, Root pink, bell-shaped flowers. Pom- Rot, Rust pom-shaped red or yellow berries. Attracts birds. Evergreen. Acer Lower water need than most Rocky Mountain grandidentatum MEDIUM 20-35 15-30 S M maples. Canopy develops into a N/A Decay fungi x x x Glow Maple 'Schmidt' tight, oval shape. California native. Usually does not grow above 20 ft. Utility friendly, but may need minor Laurus nobilis Saratoga bay MEDIUM 15-40 15-30 M L maintenance. Resistant to Dry fruit litter issue. Scales x x 'Saratoga' laurel psyllid. Green, white, or yellow flowers in spring. Fragrant leaf can be used in cooking. Columnar structure, evergreen foliage. Linear leaves with gray- Dry fruit litter issue. Acacia green color. Showy, fragrant, Allergy Health Hazard. Shoestring acacia MEDIUM 20-30 10-20 F L N/A x x stenophylla yellow flowers in winter or Branch Strength spring. Long, brown seed pods. Rated as Weak. Drought tolerant. Appendix | 113 Revised Approved Tree List: Medium Trees (Continued)

MEDIUM STATURE TREES MEDIUM STATURE TREES Utility friendly. Taller specimens may require minor height reduction if under wires. Resistant to oak root fungus. Scales, Thrip, Strawberry Gray bark exfoliates to reveal Anthracnose, Arbutus unedo MEDIUM 20-35 20-35 M L Allergy Health Hazard. x x x madrone red-brown bark underneath. Phytophthora, Root Showy, white, bell-shaped Rot, Rust flowers. Orange or red pom-pom- shaped flowers. Attracts birds. Evergreen. Scales, Anthracnose, Fruitless. Evergreen with gray- Root Damage Oak Root Rot, Olea europaea green, ovate leaves. Attracts 'Swan Hill' Olive MEDIUM 25-35 25-30 M L Potential Rated as Phytophthora, Root x x 'Swan Hill' birds. Resistant to Texas Root Moderate. Rot, Sooty Mold, Rot. Verticillium Branches don't droop, and resist breakage. Very hardy. Evergreen. Root Damage Ebenopsis ebano Texas ebony MEDIUM 25-40 25-40 M L Persistent, large, black or brown Potential Rated as N/A x x seed pod. Showy, fragrant, High. Thorns. yellow flowers in summer.

Appendix | 115 Revised Approved Tree List: Large Trees

LARGE STATURE TREES LARGE STATURE TREES Has distinctive, green, fan- shaped leaves which turn yellow Canker Diseases (if Ginkgo biloba 'Autumn Gold' Allerget Health LARGE 50-80 30-40 M M in the fall. Tolerates and adapts trunk is repeatedly x 'Autumn Gold' ginkgo Hazard. to a wide range of harsh growing wounded) conditions. Beetle Borers, California Flathead Borer, Caterpillars, Resistant to oak root fungus. Root Damage Sudden Oak Death, Acer Attracts bees. Gold fall color. Bigleaf maple LARGE 30-75 30-50 F M Potential Rated as Root Rot, Oak Root x x macrophyllum Native to western U.S. Fire High. Rot, Annosus Root Resistance is Favorable. Disease, White Mottled Rot, Leaf Spot, Verticillium Caterpillars, Insect California native. Slow-growing. Galls, California Oak Leaves are blue-green. Moth, Gall Wasp, Quercus Evergreen. Resistant to Allergy and Poisonous Scales, Crown Rot, Blue oak LARGE 50-65 40-50 S L x douglasii verticillium. Desirable Wildlife Health Hazard. Mistletoe, Oak Root Plant. Branch Strength Rated as Rot, Brown Rot, Strong. Powdery Mildew, Root Rot Moderate root Tolerates most soil types and damage potential. conditions, including wet soils or Requires regular drought. Thornless tree structural pruning in Pyrus calleryana produces snowy white flowers Thrip, White Fly, Sooty Bradford pear LARGE 30-50 20-30 F M early years to develop x x 'Bradford' that appear in spring. Leaves Mold proper structural turn mahogany red and attachements. Has a sometimes bright orange-red in short-to-medium life late autumn. span, 25-30 years.

Appendix | 117 Revised Approved Tree List: Large Trees (Continued)

LARGE STATURE TREES LARGE STATURE TREES Goldspotted Oak Borer, Aphids, California native. Can grow in Caterpillars, Coddling Dry fruit litter issue. conditions ranging from very Moths, Insect Galls, Allergy and Poisonous Quercus wet to semi-arid. Erect or California Oak Moth, Canyon live oak LARGE 40-70 25-35 M M Health Hazard. x x chrysolepis Spreading and requires ample Pacific Oak Teig Girdler, Biogenic Emissions growing space. Drought tolerant. White Fly, Sudden Oak considered High. Resistant to Verticillium. Death, Crown Rot, Mistletoe, Oak Root Rot, Root Rot

Trunk and principal limbs are covered with thick, corky bark. Moderate root Its leaf underside is light gray. damage potential. Phytophthora, Root Quercus suber Cork oak LARGE 70-100 70-100 F M x x Tree is tolerant to gray and has a Gets chlorosis in Rot longevity of greater than 150 alkaline soils. years. Resistant to Verticillium. Moderate root damage potential. Requires careful This tree is a broad spreading training and pruning tree. It should be grown in full to develop a central sun or partial shade and prefers leader with strong moist, rich soil. The tree's Scales, Ash borer, Fraxinus branch structure. Hesse Ash LARGE 60-80 30-40 M M tolerance to drought is Carpenterworm, Sooty x excelsior 'hessei' Without pruning, moderate. It makes an attractive Mold branches originate at winter landscape element and is the same position on clean and beautiful with no the trunk which dieback. makes them prone to breakage.

Appendix | 119 Revised Approved Tree List: Large Trees (Continued)

LARGE STATURE TREES LARGE STATURE TREES Low root damage potential. This tree has a strong branch Requires moderate attachment and it's longevity is Scales, Spider Mites, Quercus ilex Holly oak LARGE 40-70 40-70 M M maintenance. Allergy x greater than 150 years. It Anthracnose, Root Rot health hazard tolerates wind and drought and can handle heavy pruning. Magnesium deficiency Pale yellow to white flowers is common. Branches bloom in spring, usually fragrant droop and are Dalbergia sissoo Indian rosewood LARGE 45-65 30-40 M M though inconspicuous. Brown, susceptible to N/A x x persistent seed pod develops in breakage. Root summer. Evergreen. Damage Potential Rated as High.

Dry fruit litter issue. Caterpillars, Coddling California native. Slow-growing. Allergy and Poisonous Moths, Insect Galls, Quercus Adapted to hot, dry climates. Interior live oak LARGE 30-70 40-80 M L Health Hazard. White Fly, Crown Rot, x wislizenii Desirable Wildlife Plant. Attracts Biogenic Emissions Mistletoe, Powdery Birds and Squirrels. considered High. Mildew, Root Rot

Thrives in hot, dry climates and poor soils. Resistant to Root Damage verticillium. Dark green, 2 to 3 Pinus eldarica Mondell pine LARGE 30-80 15-25 F L Potential Rated as Aphids x needles per fascicle. Oblong Moderate. cones 3-4 inches long. Desirable Wildlife Plant. Drought tolerant.

Appendix | 121 Revised Approved Tree List: Large Trees (Continued)

LARGE STATURE TREES LARGE STATURE TREES This tree tolerates the cold, salts, and the sun. It produces Moderate root Aphids, Beetle Borers, red flowers in dense clusters in damage potential. Scales, Oak Root Rot, Acer rubrum Red Maple LARGE 40-60 40-60 F M x late March to early April before Does not tolerate Phytophthora, Root leaves appear. In the fall, leaves strong winds. Rot, Verticillium turn an orange-red foliage color.

Low root damage potential Aphids, Caterpillars, Longevity greater than 150 Moderate root Insect Galls, years. Resistant to Verticillium. Quercus rubra Red oak LARGE 50-70 40-50 F M damage potential. Anthracnose, x Requires low maintenance. New Allergy health hazard. Phytophthora, Root leaves are red in spring turning Rot, Rust to dark red in fall. Zelkova serrata ('Village green' Characteristic vase shape. Grows Branch Strength Sawleaf Zelkova LARGE 50-60 45-50 M M Canker x and 'Green vase' in a variety of soil conditions. Rated as Weak. cultivars)

Appendix | 123 Revised Approved Tree List: Large Trees (Continued)

LARGE STATURE TREES LARGE STATURE TREES Resistant to Verticillium. Produces brilliant foliage fall Moderate root Quercus Scarlet oak LARGE 40-50 35-40 F M colors of glossy bronze, red, damage potential. Caterpillars, Scales x coccinea orange and medium green. It Allergy health hazard. has a strong branch strength. California native. Requires ample Beetle Borers, growing space. Resistant to oak Dry fruit litter issue. Caterpillars, Insect Quercus lobata Valley oak LARGE 50-70 50 F L root fungus and verticillium. Allergy and Poisonous Galls, Scales, Crown x Desirable Wildlife Plant. Fire Health Hazard. Rot, Mistletoe, Root Resistance is Favorable. Rot

Medium strong branch strength Caterpillars, Scales, produces dark green foliage in Moderate root White Fly, Fraxinus White Ash LARGE 50-70 40-50 F L the summer and turns to yellow damage potential. Anthracnose, Root Rot, x americana maroon in the fall. It is tall, Allergy Health Hazard. Rust, Sooty Mold, stately, and long lived. Verticillium

Appendix | 125 Revised Approved Tree List: Large Trees (Palms)

(PALMS) LARGE STATURE TREES: ONLY IN EASEMENTS & PARKS (PALMS) LARGE STATURE TREES: ONLY IN EASEMENTS & PARKS Dry fruit and leaves Drought tolerant. Fire Resistance litter issue. Root Washingtonia California fan LARGE 50-70 10-20 F M is Favorable. Resistant to Texas Damage Potential N/A x x filifera palm Root Rot. Rated as Moderate. Allergy Health Hazard.

Tree is large and massive producing dark green leaves that Moderate root Phoenix Canary Island Pigeons, Fusarium, LARGE 50-60 15-20 S M fade to a yellow stem. Branch damage potential. x x canariensis date palm Root Rot strength is strong and has low Allergy health hazard. to moderate leaf density.

Dry fruit and leaves Drought tolerant. Fire Resistance litter issue. Root Washingtonia Mexican fan palm LARGE 80-100 10-15 F M is Favorable. Resistant to Texas Damage Potential Beetle Borers x x robusta Root Rot. Rated as Moderate. Allergy Health Hazard.

Dry fruit and leaves litter issue. Allergy Resistant to Texas Root Rot. Health Hazard. Phoenix Branch Strength Rated as True date palm LARGE 80-100 20-40 S M Biogenic Emissions N/A x x dactylifera Strong. Flowers in Spring or considered High. Root Summer. Damage Potential Rated as Moderate.

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