Tree Replacement & Selection Guide 2009
- 1. Tree Replacement and Selection Guide Prepared by Bryan Moller & Adam Heard, President & Division Manager of Four Seasons Tree Care - San Diego ISA Certified Arborist # WE-6857A & WE-7763A 770 Sycamore Ave., Ste J # 192 Vista, CA 92083 (760) 477-7955 www.FourSeasonsTC.com
- 2. Tree Small Small-sized trees grow up to 25 feet tall. Can grow above rooftop of Choices a single-story house and work well for shading walls and windows. Highly suitable for planting under overhead utility lines and to avoid interference with rooftop solar photovoltaic panels or satellite dishes. Lagerstroemia Indica Crape Myrtle Type: Deciduous Max Height (FT): 25 Max Spread (FT): 20 Exposure: Full Sun Growth Rate: Average Tree Shape: Oval / Rounded / Umbrella / Vase Sunset Climate Zones: 07-14, 18-21 Foliage: Leaves have red, gold, orange and multicolored fall colors and otherwise are green and moderately dense. Characteristics: Can handle very acidic, slightly acidic & neutral to slightly alkaline soil. Soil should be clay, loam or sand and be kept moist to dry. Produces small brown fruit in fall and lavender, pink, red or white showy flowers through summer. Not susceptible to frost. Details: D D il Drought resistant, h d h i handsome peeling b k and colorful summer bl li bark d l f l bloom. Root Damage Potential: Low Prunus Cerasifera Purple-Leaf Plum Type: Deciduous Max Height (FT): 25 Max Spread (FT): 25 Exposure: Full Sun / Partial Shade Growth Rate: Fast Tree Shape: Oval / Vase Sunset Climate Zones: 02-22 Foliage: Bronze / Purple / Green and moderately dense. Characteristics: Can handle very acidic, slightly acidic, neutral to slightly alkaline to very alkaline soil. Soil should be clay, loam or sand and be kept moist. Produces prolific inconspicuous, non-edible, non-poisonous summer fruit and beautiful showy white flowers through spring. Not susceptible to frost. Details: Changing foliage that starts as coppery-red and eventually turns a bronzy-green. Root Damage Potential: Low Pyrus Calleryana Bradford Pear Type: Deciduous Max Height (FT): 30 Max Spread (FT): 20 Exposure: Full Sun Growth Rate: Medium / Fast Tree Shape: Rounded / Umbrella Sunset Climate Zones: 02-09, 14-21 Foliage: Glossy, dark-green, turns dark red in the fall and small, clustered white flowers in the winter. Characteristics: Small, inconspicuous, non-edible fruit that attracts birds. Branch crotches in mature trees tend to split. Details: Not susceptible to frost. Root Damage Potential: Moderate Four Seasons Tree Care Rooted in knowledge
- 3. Tree Small Small-sized trees grow up to 25 feet tall. Can grow above rooftop of Choices a single-story house and work well for shading walls and windows. Highly suitable for planting under overhead utility lines and to avoid interference with rooftop solar photovoltaic panels or satellite dishes. Laurus nobilis Bay Laurel, Sweet Bay Type: Evergreen Exposure: Full sun to light shade Growth Rate: Medium / Max Height (FT): 20 Max Spread (FT): 10 Tree Shape: pyramid-shaped Sunset Climate Zones: Not classified / Hardy to around -7C Foliage: Aromatic, evergreen leaves and shiny gray bark. The leaves are elliptic, 3-4 in long, thick and leathery, and shiny dark green. In Classical times the bay leaves were used to make the victor’s ‘crown of laurels’. Characteristics: Insect are safely and naturally kept away by this plant. The leaves of Laurus nobilis h bili have a strongly resinous aroma. S l i Sweet b ( l k bay (also known as b l bay laurel and b tree) can l d bay ) survive cold winter nights that go as low as 10° Fahrenheit. This plant needs summer days with high heat. Full sun to light shade is ideal for this species. It usually does best in well drained soils. Details: Not susceptible to frost. Root Damage Potential: Moderate Magnolia grandiflora Little Gem magnolia li difl i l li Type: Evergreen Exposure: Full sun Max Height (FT): 20 Max Spread (FT): 10 Growth Rate: Slow Tree Shape: pyramid-shaped Sunset Climate Zones: 4-12, 14-24, H1, H2 Foliage: 4 to 8" alternate, simple, dark green leathery leaves; underside often has a cinnamon- brown pubescence Characteristics: Flower - pleasant fragrance; spring & summer flowering; very showy Fruit - attracts birds; fruit, twigs, & foliage cause significant litter Trunk/bark/branches - bark is thin and easily damaged from mechanical impact; grow mostly upright and will not droop; not particularly showy; should be grown with a single leader Details: Not susceptible to frost / long-term health usually not affected by pests. Root Damage Potential: Moderate Four Seasons Tree Care Rooted in knowledge
- 4. Tree Small Small-sized trees grow up to 25 feet tall. Can grow above rooftop of Choices a single-story house and work well for shading walls and windows. Highly suitable for planting under overhead utility lines and to avoid interference with rooftop solar photovoltaic panels or satellite dishes. Tristaniopsis laurina Water Gum Type: Evergreen Max Height (FT): 25 Max Spread (FT): 15 Exposure: Full sun to light shade Growth Rate: Moderate Tree Shape: round Sunset Climate Zones: 15-17, 19-24 Foliage: New growth reddish-bronze, fading to medium green. Narrow leaves 4" long, wider than straight species. Characteristics: Flower - pleasant fragrance; spring & summer flowering; very showy April-June. Small brown seed capsules, 1/4" across, form in summer and drop during winter windstorms. Mottled, beige, or reddish brown bark. Details: Tough, low-maintenance tree. Develops into a formal-looking shape. Appropriate beneath overhead wires. Disease and pest resistant. b h h d i i d i Root Damage Potential: Moderate Rhaphiolepis indica Indian Hawthorn Type: Evergreen Max Height (FT): 10 Max Spread (FT): 5 Exposure: Full sun to light shade Growth Rate: Moderate Tree Shape: round Sunset Climate Zones: 8-31 Foliage & Characteristics: Indian hawthorns are grown for their attractively neat, mounded form and clusters of flowers. The fragrant, pink or white crabapple-like flowers open in clusters above the foliage in mid-April to May. Bluish-black berries appear in late summer and persist through the winter. The leathery, dark evergreen leaves are rounded, about 2 to 3 inches long, turning purplish in winter. Details: Plants prefer sun, although they will grow in partial shade. Indian hawthorn prefers moist, well-drained soil, but will tolerate drought. It is tolerant of salt spray and sandy soils and is a good choice for coastal areas. Root Damage Potential: Low Photinia glabra Red-Leaf Photinia Type: Evergreen Max Height (FT): 15-20 Max Spread (FT): 10-15 Exposure: Full sun to light shade Growth Rate: fast Tree Shape: oval, round, vase Sunset Climate Zones: 4-24 Foliage & Characteristics: New spring leaves, 2 - 5" long, are striking reddish bronze; older foliage dark green above, lighter on undersides. Flowers/fruit - Large clusters of white flowers appear in early spring in hot inland areas and later in coastal climates. No berries. Details: Tolerates heat, smog, dust, wind or dry climates, better with irrigation and good drainage. Mildew resistant. May be chlorotic in zones 12 and 13. Root Damage Potential: Low Four Seasons Tree Care Rooted in knowledge
- 5. Tree Medium Medium-sized trees grow 25-55 feet tall. Will prvide shade for the Choices walls and windows of a two-story home and for the entire roof of a single-story home. Should never be planted under overhead utility lines. Agonis Flexuoa Weeping Peppermint Type: Evergreen Max Height (FT): 35 Max Spread (FT): 25 Exposure: Full Sun / Partial Shade Growth Rate: Moderate / Fast Tree Shape: Umbrella Sunset Climate Zones: 15-17, 20-24 Foliage: Long, narrow dull-green with a reddish cast. Characteristics: Small white flowers that are abundant in late spring/summer. Leaves smell like peppermint when crushed. Very susceptible to frost, especially until well-established. Details: Very tolerant of different soil types and watering practices. Tolerates strong winds and thrives in California gardens where temperature stays above 27 degrees Fahrenheit. Can be planted as wind breaks. Root Damage Potential: Moderate Albizia julibrissin Mimosa Silk Tree Type: Semi-Evergreen Max Height (FT): 35 Max Spread (FT): 35 Exposure: Full Sun Growth Rate: Fast Tree Shape: Round / Umbrella / Vase Sunset Climate Zones: 04-23 Foliage: Green low moderately dense. Characteristics: Can handle acidic and alkaline soil. Texture can be clay, loam or same. Produces persistent brown fruit and gorgeous white and pink showy flowers through spring and summer. Not susceptible to frost. Details: Branches droop and are susceptible to breakage. Do not plant where there will be heavywind. Does best in high heat. Root Damage Potential: Moderate Brachychiton acerifolius Flame Bottle Tree Type: Evergreen / Partial Deciduous Max Height (FT): 50 Max Spread (FT): 35 Exposure: Full Sun / Partial Shade Growth Rate: Fast Tree Shape: Conical Sunset Climate Zones: 16-21, 23 Foliage: Leaves are glossy and medium green and dense. Characteristics: Can handle slightly acidic, neutral, slightly alkaline to very alkaline soil. Soil should be loam or sand and moist or dry. Produces a large brown follicle fruit in fall and summerand showy orange and red flowers through spring and summer. Hardy to 25 degrees F/-4 degrees C. Details: Drought tolerant. At juvenile stage, trunk is very thorny. Root Damage Potential: Moderate Four Seasons Tree Care Rooted in knowledge
- 6. Tree Medium Medium-sized trees grow 25-55 feet tall. Will prvide shade for the Choices walls and windows of a two-story home and for the entire roof of a single-story home. Should never be planted under overhead utility lines. Cassia leptophylla Gold Medallion Tree Type: Semi-Evergreen Max Height (FT): 50 Max Spread (FT): 35 Exposure: Full Sun Growth Rate: Fast Tree Shape: Rounded / Umbrella Sunset Climate Zones: 15, 16, 20-24 Foliage: Leaves are medium green and moderately dense. Characteristics: Can handle neutral or slightly alkaline soil. Soil should be loam or sand moist or dry. Produces brown pod fruit in the fall and beautiful yellow showy flowers in the summer. Susceptible to frost. Details: Prefers fast draining soil and requires a moderate amount of water. Root Damage Potential: Low Koelreuteria bipinnata Chinese Flame Type: Deciduous Max Height (FT): 35 Max Spread (FT): 30 Exposure: Full Sun / Partial Shade Growth Rate: Average Tree Shape: Rounded / Umbrella / Vase Sunset Climate Zones: 02-21 Foliage: Leaves have bronze and gold fall color and are otherwise medium green and moderately dense. Characteristics: Can handle very acidic, slight acidic, neutral, slightly alkaline to very alkaline soil. Soil should be clay, loam or sand and be kept moist. Produces prolific large orange/red capsules in the fall and showy yellow flowers through summer and fall. Not susceptible to frost. Details: Good shade tree and beautiful flowers. Non-invasive roots. Root Damage Potential: Low Morus alba "fruitless" Fruitless Mulberry Type: Deciduous Max Height (FT): 35 Max Spread (FT): 35 Exposure: Full Sun / Partial Shade Growth Rate: Fast Tree Shape: Rounded / Vase Sunset Climate Zones: 01-19 Foliage: Dark green in spring, summer and gold in fall. Characteristics: Can grow in all soil types from very acidic to very alkaline. Can take moist or dry soils, either clay, sand or loam. Fruitless but produces inconspicuous flowers in the spring. Details: Not susceptible to frost. Sap is toxic. Can handle drought. Root Damage Potential: High Four Seasons Tree Care Rooted in knowledge
- 7. Tree Medium Medium-sized trees grow 25-55 feet tall. Will prvide shade for the Choices walls and windows of a two-story home and for the entire roof of a single-story home. Should never be planted under overhead utility lines. Pistacia chinensis Chinese Pistache Type: Deciduous Max Height (FT): 55 Max Spread (FT): 40 Exposure: Full Sun / Partial Shade Growth Rate: Average Tree Shape: Oval / Rounded / Umbrella Sunset Climate Zones: 04-16, 18-23 Foliage: Leaves have red, gold, orange and multicolored fall colors and are otherwise medium green and moderately dense. Characteristics: Can handle slightly acidic, neutral, slightly alkaline to very alkaline soil. Soil should be clay, loam or sand and be kept moist to dry. Produces prolific blue/red fruit in the fall and summer and inconspicuous flowers through the spring. Good fall color. Not susceptible to frost. Details: Resistant to oak root fungus. Drought tolerant but needs good drainage. Does not produce pistachios. Root Damage Potential: Low Prunus caroliniana Carolina Laurel Cherry Type: Evergreen Max Height (FT): 30 Max Spread (FT): 25 Exposure: Full Sun / Partial Shade Growth Rate: Average Tree Shape: Rounded Sunset Climate Zones: 05-24 Foliage: Smooth edged, glossy green leaves Characteristics: Fragrant white flowers from late winter to mid-spring followed by non- edible poisonous fruit. Flower and fruit cause litter. Not susceptible to frost. Details: Tolerates poor soil, strong wind and drought. Can handle very acidic to slightly alkaline soils. Root Damage Potential: Low Rhus Iancea African Sumac Type: Evergreen Max Height (FT): 30 Max Spread (FT): 35 Exposure: Full Sun / Partial Shade Growth Rate: Slow Tree Shape: Spreading Sunset Climate Zones: 08, 09, 12-24 Foliage: Dark green leaves divided into 3 willow-like leaflets. Characteristics: Early spring flowers are followed by clusters of pea-size yellow or red fruit. Details: Well adapted to desert heat. Root Damage Potential: Low Four Seasons Tree Care Rooted in knowledge
- 8. Tree Medium Medium-sized trees grow 25-55 feet tall. Will prvide shade for the Choices walls and windows of a two-story home and for the entire roof of a single-story home. Should never be planted under overhead utility lines. Robinia ambigua Purple Robe / Locust Type: Deciduous Max Height (FT): 40 Max Spread (FT): 30 Exposure: Full Sun / Partial Shade Growth Rate: Medium / Fast Tree Shape: Narrow / Oval Sunset Climate Zones: 02-16, 18-24 Foliage: Compound leaves with round leaflets. Dark purple-pink flowers from mid-spring to early summer. Characteristics: Aggressive root system; do not plant near hardscapes/hard surfaces. Details: Well adapted to hot, dry climates and poor soil. Drought resistant. Not susceptible to frost. Root Damage Potential: Low Four Seasons Tree Care Rooted in knowledge
- 9. Tree Large Large-sized trees are grown (in most cases) larger than 50 feet tall. Choices Will provide the most complete cover to shade a home, driveway and at times, an adjacent street. Should never be planted under overhead utility lines. Chorisia speciosa Los Angeles Beautiful Floss Silk Tree Type: Deciduous Max Height (FT): 55 Max Spread (FT): 50 Exposure: Full Sun Growth Rate: Fast Tree Shape: Round / Conical Sunset Climate Zones: 12-24 Foliage: Green with no fall colors, moderately dense. Characteristics: Can handle acidic and alkaline clay, sand and loam, well drained or wet soil. Produces beautiful showy red flowers through winter and fall. Susceptible to frost. At juvenille stage, truck is very thorny. Details: Branches don't droop but are susceptible to breakage. Do not plant where there will be heavy wind or freezing temperatures. Root Damage Potential: High Cinnamomum camphora Camphor Type: Evergreen Max Height (FT): 55 Max Spread (FT): 60 Exposure: Full Sun / Partial Shade Growth Rate: Slow Tree Shape: Spreading / Umbrella Sunset Climate Zones: 15-24 Foliage: Yellow green in winter, spring foliage may be pink, red or bronze. Characteristics: Prefers sandy loam to clay loam. Inconspicuous frangrant yellow flowers in late spring followed by blackish fruit. Thrives in summer heat. Susceptible to frost. Details: Should not be planted in areas where winter temperatures go below 20 degrees. Invasive roots, do not plant near hardscapes. Smog tolerant Root Damage Potential: High Jacaranda mimosifolia Jacaranda Type: Deciduous Max Height (FT): 60 Max Spread (FT): 45 Exposure: Full Sun Growth Rate: Moderate Tree Shape: Oval / Rounded / Umbrella / Vase Sunset Climate Zones: 12, 13, 15-24 Foliage: Light green, moderately dense. Characteristics: Can handle slightly acidic, neutral to slightly alkaline soil. Soil should be loam or sand and be kept moist. Produces blue and/or lavender showy flowers that bloom spring, summer and fall. Susceptible to frost at juvenile stage, fairly hardy after it gains some mature hardwood. Details: Official tree of the city of San Diego. Root Damage Potential: Low Four Seasons Tree Care Rooted in knowledge
- 10. Tree Large Large-sized trees are grown (in most cases) larger than 50 feet tall. Choices Will provide the most complete cover to shade a home, driveway and at times, an adjacent street. Should never be planted under overhead utility lines. Liquidambar styraciflua American Sweetgum / Liquidambar Type: Deciduous Max Height (FT): 75 Max Spread (FT): 50 Exposure: Full Sun / Partial Shade Growth Rate: Fast Tree Shape: Conical Sunset Climate Zones: 01-12, 14-24 Foliage: Leaves have beautiful red, gold, purple, and multicolored fall colors. During other seasons they are dark green and moderately dense. Characteristics: Can handle very acidic, slightly acidic, to neutral and slightly alkaline soil. Texture can be clay, loam or sand. Can handle wet, moist, or dry soil. This tree produces green/brown spiny, globe-shaped seed capsules. Inconspicuous spring flowers. Not susceptible to frost. Details: Varieties not available. Aggressive roots. Do not plant close to foundation, sidewalk, sewer line, etc. Root Damage Potential: High Magnolia grandiflora Southern Magnolia Type: Evergreen Max Height (FT): 80 Max Spread (FT): 50 Exposure: Full Sun / Partial Shade Growth Rate: Fast Tree Shape: Oval / Rounded / Umbrella Sunset Climate Zones: 04-12, 14-24 Foliage: Glossy, dark green and very dense. Characteristics: Can handle very acidic, slightly acidic, to neutral and slightly alkaline soil. Texture can be loam or sand. Soil should be kept moist. This tree produces prolific fall and summer fruit that birds love. Very fragrant and showy white flowers through spring, summer and fall. Not susceptible to frost. Details: Blooms at young age. Leaf drop is fairly common. Root Damage Potential: High Pinus canariensis Canary Island Pine Type: Evergreen Max Height (FT): 90 Max Spread (FT): 40 Exposure: Full Sun / Partial Shade Growth Rate: Fast Tree Shape: Columnar / Conical Sunset Climate Zones: 05-09, 12-24 Foliage: Leaves are blue green, dark green needles and dense. Characteristics: Can handle very acidic, slightly acidic, neutral, slighty alkaline to very alkaline soil. Soil should be loam or sand and moist or dry. Tree produces very large brown cone fruit in the winter. Not susceptible to frost. Branches take on a weeping form at maturity. Details: Resistant to oak root fungus. Drought tolerant. Root Damage Potential: Moderate Four Seasons Tree Care Rooted in knowledge
- 11. Tree Large Large-sized trees are grown (in most cases) larger than 50 feet tall. Choices Will provide the most complete cover to shade a home, driveway and at times, an adjacent street. Should never be planted under overhead utility lines. Pinus pinea Italian Stone Pine Type: Evergreen Max Height (FT): 50 Max Spread (FT): 45 Exposure: Full Sun / Partial Shade Growth Rate: Fast Tree Shape: Conical / Rounded / Umbrella Sunset Climate Zones: 05-09, 14-24 Foliage: Needles are gray green to medium green and very dense. Characteristics: Can handle very acidic, slightly acidic, neutral, slightly alkaline to very alkaline soil. Soil should be loam or sand and moist or dry. Tree produces very large brown cone fruit and inconspicuous flowers through spring and winter. Not susceptible to frost. Details: A tough, durable tree that can tolerate smog. Root Damage Potential: High Plantus acerifolia London Plane Trees Type: Deciduous Max Height (FT): 90 Max Spread (FT): 80 Exposure: Full Sun / Partial Shade Growth Rate: Fast Tree Shape: Oval / Rounded / Umbrella Sunset Climate Zones: 02-24 Foliage: Leaves show bronze and gold fall color. Foliage growth color is green and dense. Characteristics: Soil can be very acidic, slightly acidic, neutral, and slightly alkaline. Soil can be clay, loam or sand and wet, moist or dry. Produces prolific green/brown summer fruit and inconspicuous flowers through spring and winter. Not susceptible to frost. Details: A tough, durable tree that can tolerate smog. Root Damage Potential: High Podocarpus gracilior Fern Pine Type: Evergreen Max Height (FT): 60 Max Spread (FT): 35 Exposure: Full Sun / Partial Shade Growth Rate: Average Tree Shape: Oval / Rounded Sunset Climate Zones: 08, 09, 12-24 Foliage: Needles are blue green, gray green, dark green and moderately dense. Characteristics: Can handle very acidic, slightly acidic, neutral, and slightly alkaline soil. Soil can be clay, loam or sand and should be kept moist. Produces small purple fruit in the fall and inconspicuous flowers through spring. Not susceptible to frost. Details: Needs good drainage. Root Damage Potential: Low Four Seasons Tree Care Rooted in knowledge
- 12. Tree Large Large-sized trees are grown (in most cases) larger than 50 feet tall. Choices Will provide the most complete cover to shade a home, driveway and at times, an adjacent street. Should never be planted under overhead utility lines. Quercus agrifolia Coast Live Oak Type: Evergreen Max Height (FT): 65 Max Spread (FT): 60 Exposure: Full Sun / Partial Shade Growth Rate: Average Tree Shape: Rounded / Umbrella Sunset Climate Zones: 05, 07-10, 12, 14-24 Foliage: Leaves are glossy, dark green and moderately dense. Characteristics: Can handle very acidic, slightly acidic, neutral to slightly alkaline soil. Should be clay, loam or sand and be kept moist or dry. Tree produces prolific fall and winter fruit, acorns. Not susceptible to frost. Trunk collar should be kept dry. Very drought tolerant once established. Details: Susceptible to oak moth. Sudden Oak Death manifested as a canker. CALIFORNIA NATIVE. *Useful as a fire break once mature Root Damage Potential: Moderate Four Seasons Tree Care Rooted in knowledge
- 13. STREET TREE SELECTION GUIDE {In areas with contiguous sidewalks (sidewalks that extend all the way to the curb), trees shall be planted a minimum of two feet from sidewalk. In unimproved right-of-ways, contact the Street Tree Section for more information.} Root barriers recommended but not required unless specified. The following trees are recommended for parkways 2' and larger and 3' by 3' cutouts. See notes for specific maintenance requirements: Botanical Name Common Name Form Height Spread Type Drought Native Acacia pendula*** Weeping Acacia SC 20 20 E Acacia subporosa River Wattle SC 25 25 E Acacia stenophylla** Shoestring Acacia SC 30 20 E Acer palmatum+ Japanese Maple SC 20 20 D Albizia julibrissin Silk Tree SC 30+ <25 D/F Yes Arbutus unedo++ Strawberry Tree SC 30 20 E/F cunninghamiana King Palm U 40+ <20 P Yes Bauhinia blakeana* Hong Kong Orchid SC 20+ <20 D/F Callistemon citrinus~# Lemon Bottle Brush U <25 20+ E/F Yes Callisternon salignus White Bottlebrush SC 25 25 E/F Cercis canadensis*** Eastern Redbud SC 25 25 E/F Cercis mexicana*** Mexican Redbud SC 25 25 D/F Cerds occidentalis*** Western Redbud SC 25 25 D/F Yes Yes Cercocarpus betuloides Mountain Ironwood SC 20 <20 E/F Yes Yes ChUonanthus retusus Chinese Fringe Tree SC <20 <20 D/F Heteromeles arbutifolia*** Toyon SC 25 25 E Yes Yes Hymenosporum flavum*** Sweetshade SC 35 20 E/F Lagerstroemia indica* Crape Myrtle SC <20 <20 D/F Yes Lyonathamnus floribundus*** Catalina Ironwood SC 50 35 F/F Yes Yes Photinia fraserii*** Fraser Photinia SC 20 20 E/F Raphiolepsis ‘Majestic Beauty’ SC <20 <20 E/F Yes Syagrus romanzoffianum Queen Palm U 40+ <20 P Yes Legend Type Form D - Deciduous SC - Small Canopy Form: 15' to 25' spread. Minimum spacing = 20 feet. E - Evergreen LC - Large Canopy Form: 25' and larger spread. Minimum spacing = 30 feet. F - Flowering U - Vertical / Upright Canopy Form: 15' to 25' spread. Minimum spacing = 20 feet P - Palm Species (see last page for additional notes) Four Seasons Tree Care Rooted in knowledge
- 14. STREET TREE SELECTION GUIDE The following selections are recommended for 4' to 7' parkways and larger or in 5' by 5' cutouts. Root barriers recommended for all applications. Botanical Name Common Name Form Height Spread Type Drought Native Acacia baileyana Bailey Acacia SC 30+ <20 E Yes Agonis flexuosa* Peppermint LC <30 <20 E Yes Arbutus Marina*** Marina Madrone MC 35 30 E/F Bauhinia purpurea* Purple Orchid tree SC <30 <20 D/F Yes Bauhinia v. candida* White Orchid tree SC <30 <20 E/F Yes Brachychiton acerifolius Flame tree U 40+ <25 D/F Yes Brahea armata*** Mexican Blue Palm U 35 P Brahea edulis*** Guadalupe Palm U 35 P Yes Brahea brandegh*** Hesper Palm U 65+ P Butia capitata*** Pindo Palm U 25 P Calodendrum capense~ Cape Chestnut LC 30+ 40+ D/F Yes Callistemon viminalis~# Bottle Brush U 30+ <20 E/F Yes Cassia leptophylla* Gold Medallion tree SC <30 <25 D/F Chilopsis linearis Desert Willow LC 30+ <40 D/F Yes Yes Chionanthus virgincus White Fringe Tree SC 30+ <25 D/F Chitalpa tashkentensis Chitalpa SC 30 30 D Yes Eriobotrya deflexa* Bronze Loquat SC <20 <20 E Eucalyptus erythrocorys Red Cap Gum SC <25 <25 E Yes Eucalyptus gunnü Cider Gum LC <60 40 E/F Yes Eucalyptus torquata* Coral Gum SC <20 <20 E Fraxinus oxycarpa Raywood Ash SC 30+ <25 0 Yes Geijera parvifolia* Australian Willow LC 35+ <40 E/F Yes Ginkgo biloba Maidenhair Tree U 40+ <40 D Jacaranda mimosifolia Jacaranda LC 40+ <40 D/F Magnolia grandiflora St. Marys Magnolia SC 25+ <20 E/F Melaleuca linarifolia~ Flaxleaf Paperbark LC <40 <40 E/F Yes Melaleuca quinquenervia~ Cajeput Tree LC <40 <40 E/F Yes Metrosideros excelsus*~ New Zealand Chris. SC <20 <20 E/F Yes Pistacia chinensis Chinese Pistache [C 40+ 40+ D Yes Pittosporum undulatum Victorian Box SC <25 <25 E/F Yes Podocarpus macrophyllus Yew Pine U 30+ <20 E Prunus cerasifera* Purple Leaf Plum SC 25+ <25 D/F Pittosporum phillyraeoides Willow Pittosporum U <25 15 E Yes Pittosporum tenuifolium*** Tarata Pittosporum SC 35 25 E/F Pyrus calleryana* Bradford Pear SC <30 <20 D/F Pyrus kawakamii Evergreen Pear SC <30 <25 E/F Quercus ilex Holly Oak LC <50 <50 E Yes Quercus suber Cork Oak LC <40 <40 E Yes Rhus lancea African Sumac SC <30 <25 E Yes Sapium sebiferum Chinese Tallow Tree SC 30+ <25 D Stenocarpus sinuatus* Firewheel Tree U 30+ 15 E/F Tristania laurina Elegant Brisbane SC 25 25 E/F Tristania conferta Brisbane Box [C <60 <40 E Yes Tabebuia ipi* Pink Trumpet SC 30+ <25 D/F Yes Washingtonia robusta~ Mexican Fan Palm U 40+ 20 P Yes Legend Type Form D - Deciduous SC - Small Canopy Form: 15' to 25' spread. Minimum spacing = 20 feet. E - Evergreen LC - Large Canopy Form: 25' and larger spread. Minimum spacing = 30 feet. F - Flowering U - Vertical / Upright Canopy Form: 15' to 25' spread. Minimum spacing = 20 feet P - Palm Species (see last page for additional notes) Four Seasons Tree Care Rooted in knowledge
- 15. STREET TREE SELECTION GUIDE The following selections are recommended for 7' to 10' parkways or larger and minimum 40 square foot cutouts. Root barriers recommended for all applications. Botanical Name Common Name Form Height Spread Type Drought Native Arbutus menziesii Madrona LC 40+ 40+ E Yes Yes Calocedrus decurrens Incense Cedar LC 40+ <40 E Yes Yes Cedrus deodara Deodar Cedar LC 40+ 40+ E Yes Cupressus forbesi*** Tecate Cypress LC 25+ 25 E Eucalyptus polyanthemos Silver Dollar Gum LC 40+ <40 E Yes Eucalyptus leucoxylon White Ironbark LC 60+ 40 E Yes Koelreuteria bipinnata Chinese Lantern LC <40 <40 D/F Koelreuteria paniculata Golden Rain LC <40 <40 D/F Yes Magnolia grandiflora Southern Magnoha LC <40 <40 E/F Olea europaea~ Olive "fruitless" SC <40 <25 E Yes Flatanus acerifolia London Plane LC 40+ 40+ D Pinus canariensis Canary Island Pine U 40+ <25 E Yes Pinus pinea~ Italian Stone Pine LC 40+ 40+ E Yes Pinus muricata*** Bishop Pine LC 50 40 E Yes Plantanus racemosa*** California Sycamore LC 60+ 40+ D Yes Podocarpus gracilior~ African Fern Pine LC 40+ <40 E Tipuana tipu Tipu Tree LC 40+ 40+ D/F The following selections are recommended for 10' or larger parkways and 10' or larger center median. Root barriers recommended for all applications. Botanical Name Common Name Form Height Spread Type Drought Native Liriodendron tulipifera*** Tulip Tree LC 66+ 30 D Pinus torreyana Torrey Pine LC 80+ 80+ E Yes Yes Quercus agrifoIia***## Coast Live Oak LC 65 50 E Yes Yes Quercus engelmanii***## Mesa Oak LC 50 45 D Yes Yes Quercus virginiana+## S. Live Oak LC 50 40 D/E Legend Type Form D - Deciduous SC - Small Canopy Form: 15' to 25' spread. Minimum spacing = 20 feet. E - Evergreen LC - Large Canopy Form: 25' and larger spread. Minimum spacing = 30 feet. F - Flowering U - Vertical / Upright Canopy Form: 15' to 25' spread. Minimum spacing = 20 feet P - Palm Species (see last page for additional notes) Four Seasons Tree Care Rooted in knowledge
- 16. Tree Selection Tips and Notes Additional Notes (symbols in left margin relate to symbols that appear adjacent to various tree selections) + Prefers a moist, well-drained loam to which plenty of humus has been added. ++ Fruit production. * Approved for use under power lines and/or public view corridors note: Palm species may also be approved for view corridors. ** Tree has been identified by the San Diego Regional Asthma Coalition as an allergy producer ~ Tolerates direct coastal exposure (typically 1000 from shoreline) # Root barriers are required when used in less than three foot parkway and where specified Minimum size canopy = 24" box Minimum size palm species = 10' BTH (14' BTH at bus stop or red curb) BTH = Brown Trunk Height = height from ground level to live fronds ## Non-Irrigated settings recommended *** Specific maintenance needs - may require supplemental watering following establishment. See local nursery for more information. Four Seasons Tree Care Rooted in knowledge