The URL can be used to link to this page

Home My WebLink AboutSS3 - City Trees - PowerPointdO City February 12, 2019 Item No. SS3 Trees 10 1 Tree Maintenance Overview Public Works Department Municipal Operation Division City Tree Statistics Approximately 35,545 City Trees within Public Parks and Streets Over 30G Different Tree Species City Tree Inventory Valued at approximately $65 million Additionally X00,000• Private Trees City Maintained Tree Inventory ]Vb 499 474 461 446 440 440 428 407 364 326 323 a3LVCK VULLNK VVeI 16U T 160 LONDON PLANE 156 SHAMEL ASH 154 AUSTRALIAN WILLOW 154 City of Newport Beach 152 i 148 HOLLYWOOD JUNIPER 147 SAINT MARY MAGNOLIA 145 WHITE ALDER 144 S W EETSHADE 140 4. c4crcoa�'�r 138 LOMBARDY POPLAR 135 EUCALYPTUS 133 MYOPORUM 133 Species Frequency 133 ORNAMENTALPEAR 131 CRAPE MYRTLE Botanical Name Common Name Total Washingtonia robusta MEXICAN FAN PALM 2,823 Pinus halepensis ALEPPO PINE 1,736 Cupaniopsis anarardioides CARROTWOOD 1,641 tophostemon confertus BRISBANE BOX Lrran+ur+op� rr�+r��rrn riwa cKKKiYEran r., Ln Liquidombarstyraciflua AMERICAN SWEETGUM Jacaranda mimosifolia JACARANDA Schinus terebinthdahus BRAZILIAN PEPPER Ficus macrocarpa 'Nitida' INDIAN LAUREL FIG Eucalyptus rudis DESERT GUM Archantophoenix cunningliamiana KING PALM Syagrus romanzoffianum QUEEN PALM Eucalyptus globulus BLUE GUM Eucalyptus citriodora LEMON -SCENTED GUM Bauhinia blakeana HONG KONG ORCHID TREE Ficus rubiginosa RUSTY LEAF FIG Platanus race 0-1a CALIFORNIA SYCAMORE Magnolia grandiflora SOUTHERN MAGNOLIA Pinus canariensis CANARY ISLAND PINE Eucalyptus lehmannii BUSHY YATE Eucalyptus sideroxylan RED IRONBARK Pyrus kawakamii EVERGREEN PEAR Trachycarpus folYunei WINDMILL PALM Quercus agrifolia COAST LIVE OAK Anus radiata MONTEREY PINE Melaleuca quinquenervia CAJEPUT TREE Oleo europaea OLIVE Cuca+yp[us poryamnemos Pinus eldarica AFGHAN PINE Cinnamomum camphora CAMPHOR T Tlpuana tipu Pinus pines ITALIAN STONE PINE Metrosideros excelsus NEW ZEALA Platanus acerifolla Ficus benjamina WEEPING FI Eucalyptus maculata SPOTTED GI rraxirtus uhdei Phoenix roebOenii PYGMY DATI Geijera parviRora Phoenix canariensis CANARY ISL Eucalyptus hcifolia Erythrina caffra KAFFIRBOOI Prunus cerasifera Enobotrya deflexa BRONZE LO Juniperus chinensis 7orulosa' 'Saint Pinus brutia CALABRIAN Magnolia grandifiora Mary' Ceratonia sAiqua CAROB Alnus rhombifolia Eucalyptus dadocalyx SUGAR GUN Nymenosporum flavum Callistemon citrinus Populus nigra Italica' Eucalyptus spp. Myoporum laetum Podocarpus gracilior Pyrus caHeryana Lagerstroemia indica Tabebuia aveflanedae ]Vb 499 474 461 446 440 440 428 407 364 326 323 a3LVCK VULLNK VVeI 16U TIPU 160 LONDON PLANE 156 SHAMEL ASH 154 AUSTRALIAN WILLOW 154 RED FLOWERING GUM 152 PURPLE -LEAF PLUM 148 HOLLYWOOD JUNIPER 147 SAINT MARY MAGNOLIA 145 WHITE ALDER 144 S W EETSHADE 140 LEMON BOTTLEBRUSH 138 LOMBARDY POPLAR 135 EUCALYPTUS 133 MYOPORUM 133 FERN PINE 133 ORNAMENTALPEAR 131 CRAPE MYRTLE 128 LAVENDER TRUMPET TREE 118 City Tree Maintenance & Pruning Performed by Contractor Great Scott Tree Service City Composed of 22 Grids for Pruning 2-3 Year Pruning Cycle for Broadleaf Trees Approx. 15,000 Tree Trimmed per year Annual Pruning of all Palms, Coral Trees, selected Ficus and Eucalyptus trees Over 5,000 palms and 250 corals Pruning Per International Society of Arboriculture Standards City of Newport Beach Coral Tree Pruning Types Grid Trimming (22 Grids in the City) - Crown Thinning of Broadleaf Trees to 25-30 - Health/Assessment Inspection of Each Tree Service Requests - Clearance and View Trimming, Selective Limb Removal Crew Rental - Pruning above 30%, Large Limb removal, Inaccessible Areas Palm Pruning Pruning of Dead Fronds and Fruit Skinning of Dead Frond Bases - Leave a 4 -foot Base of Petiole Bases d Pruning Pearl A — �rvice Hanuast Examnit; * Y _ r �� F � � i •*� - ',�`*• to •- 'r,r � 1 \- -- _ -y' ' �' �• `~. � � � � �� -� _..:�, • -R. _ rarer. �y f - P.irvlcp. Hp.ntjcl, gyral Tree at B 11 . _lm nAw. i f V. e �t` c ii _ J y l Abu Ji MS iS c W. !r 71 r i '.,y�� a Y♦ �.�L,�. � ate,, _S$�%J _ may♦ �t,� `t I M to- 410hO . 4 V, Is; 7 �lfi1: soft ,1 t _A , w 1 1014, ` rsti 'p r 0 I U �roaressfve. SDebleS-SDecitic. and Pc .r� • i 1 1!►• .. X47 � ��•�1 .91 Add'it'ional & Necessary City Tree Maintenance Duties Tree Risk Assessments & Tree Health Inspections Tree Removals & Stump Grinding Root Pruning Parkway Restorations Tree Pest & Disease Management Tree Replanting Updates of Tree Database/Inventory Tree Plan Planting Mainly 36 -inch box trees Other Sizes: 24 -inch, 48 -inch, & 60 -inch Planting Parameters Considerations: Utilities & Line of Sight Tree Species Recommendations Staking & Watering Young Trees Most Residents choose Trees from the "Parkway Tree Designation List" Some Neighborhood's have Designated Trees based on Association Involvement • Goan - Right Tree in the Right Location M, ff City Council Tree Policies 0 41 Ordinances W, G-1 Policy Retention, Removal, & Maintenance of City Trees Goal of Policy Maintain Diverse & Sustainable Urban Forest Urban Forest is Maintained in a Healthy & Safe Condition with Efficient use of City Resources Requires that Tree Removals or Reforestation Requests will not Adversely impact the overall City Tree Inventory Purpose of Policy Establish Tree Maintenance Standards "Trees are an Important Part of the Character & Charm of the Entire City" Maintenance to Preserve Charm, Protect Public Views, Provide Personal Safety, Prevent Property Damage, & Provide a Sustainable Urban Forest Classification 1 Definition of City Trees Standard Trees Special Trees Landmark Trees: Possess Historical Significance by Virtue of their Size, Age, Location, or Species. Dedicated Trees: Donated in Memory of Specific Individuals or Organizations. Neighborhood Trees: Lend a Special Character to Residential, Commercial, or Business Area. :11nr.irl S'rpe IF J;hp { t AV& ILFBI F �" Dedicated Trees (Per Council Policy B-17) L�� in Problem Trees (Wrong Tree in Wrong Location) Tree Species that Cause Excessive Hardscape or Utility Damage due to its Excessive Root System Ficus nitida (Indian Laurel Fig) Ficus rubiginosa (Rusty Leaf Fig) Ficus benjamina (Weeping Fig) Erythrina caffra (Kaffirboom Coral Tree) Fraxinus uhdei (Shame) Ash) Cupaniopsis anacardioides (Carrotwood) Liquidambar styraciflua (American Sweet Gum) Schinus terebinthifolius (Brazilian Pepper) Removal of Standard Trees Criteria: Dying Diseased Presents Liability Affecting Public Infrastructure - Curb, Gutter, & Sidewalks Affecting Sewer or Utility Lines i 1 r -k Saw Wr. • lit; Reforestation of City Trees Applicant to Bear Cost of Tree Removal & Replacement Private Residential — Petition Process Homeowners Association Typically Supported for: Damage or Impact View Impact Hardscape Damage Incorrect Species for Planted Location Tree Trimming Standards Tree Trimming Cycles and Trimming Standards Shall Represent the Maximum Feasible Frequency Trimming Shall be in Accordance with the Standards of the International Society of Arboriculture (ISA) Highest Industry Standard No Topping Supplemental Tree Trimming Requires City Permission Applicant to Bear Costs of Additional, Out of Sequence Trimming In Areas with an Active Homeowners Association, Approval Must be Obtained from the Association by the Applicant Not Always ISA Standards nachmAnt & Ca jermits►Nrnip Ilari. J_ _!l 1Ht�ll ! E.L.1 .. ••"d. s.;4 - j Ea7. 'Y A ` � n ter• ST a I �Q 1�jf f y:' K'1 �1�+1t•'X - 111 � , •�,T !�ti LL! x � -�L olIlk.; T �., MM" Approved Is & Replacements Reforestation Process r After dO G-3 Policy Preservation of Views Goal of Policy S Maintain all City -owned Plants in a Manner to Maximize Public & Private View Planes by Proper Trimming & Maintenance. s Comply with ISA Standards. - Reforestation to be Considered when Trimming is Unfeasible. Purpose of Policy s Views can be Enhanced & Framed by Properly Maintained Trees. City Trees are not Subject to Homeowner's Association CC&R's. S Protect Restricted Planting Areas 200 blocks of Carnation, Jasmine, Larkspur, Marigold & Orchid. Unreasonable Obstruction of View? dO G-6 Policy Maintenance & Planting of Parkway Trees Goal of Policy 5 Maintenance of Parkway Trees ➢Enforce Tree Designation Lists (Street Tree & Parkway Tree Designation) Maintenance of Standards for New Tree Installations) Purpose of Policy Maintain the Specified Trimming Cycle yRegular 3 Year Cycle Annual Pruning of Species that are Prone to Wind Damage (e.g. Palms) y Prioritize Issues Regarding Safety Over View Plane Compliance of Maintenance Standards "Right Tree in the Right Place" 36 -inch Box Trees with a 1 Year Warranty Period Establish Ownership (Who Maintains?) Parkway Tree Designation List Pkwy Botanical Name Common Name Height Spread Type Water 24" 36" 48" Notes 5'+ Fraxinus oxycarpa'Raywood' Raywood Ash 35 30 Deciduous M Yes Yes Yes Size Needs* Avail. Avail. Avail. 51+ Ginkgo biloba'Fruitless' Maidenhair Tree 60 40 Deciduous M Yes YesYes 2'+ Archontophoenix cunninghamiana King Palm 40 20 Evergreen M Yes Yes Yes 51+ Jacaranda mimosifolia Jacaranda 40 50 Deciduous M Yes Yes Yes 21+ Chionanthus retusus Chinese Fringe Tree 20 15 Deciduous M Yes Yes No 51+ Koelreuteda paniculata Goldenrain Tree 25 25 Deciduous L Yes Yes Yes 21+ Heteromeles arbutifolia California Holly 20 15 Evergreen L No No No Available -15 Gal 5'+ Lyonothamnus foribundus Catalina Ironwood 50 30 Evergreen VL Yes No No 2'+ Photinia Xfrased Fraser Photinia 20 10 Evergreen M Yes Yes No 51+ Magnolia grandiflora'Russett' Russett Magnolia 20 15 Evergreen M Yes Yes Yes 2'+ Prunus cerasifera'Newport' Newport Plum 15 10 Deciduous Yes No No 5'+ Magnolia grandiflora'Sam Mary Saint Mary Magnolia 25 20 Evergreen M Yes Yes Yes 2'+ Prunus cerasifere'Purple Pony' Dwarf Purple Leafed Plum 15 10 Deciduous Yes No No 5'+ Magnolia grandiflora'Samuel Sommer Samuel Sommer Magnolia 40 30 Evergreen M Yes Yes Yes 2'+ Rhaphiolepis "Majestic Beauty" Indian Hawthorne 15 10 Evergreen M Yes Yes No 51+ Magnolia grandiflora.'Majestic Beauty' Majestic Beauty Magnolia 40 1 20 Evergreen M Yes Yes Yes 24 Tabebuia chrysotricha Yellow Trumpet Tree 25 20 Deciduous M Yes NoNo 51+ Melaleuca linnarifolia Flaxleaf Paperbark 30 30 Evergreen L Yes No No 24 Trachycarpus fortunei Windmill Palm 30 10 Evergreen M Yes Yes Yes 51+ Melaleuca quinquinerva (virididfolia) Cajeput Tree 40 20 Evergreen M Yes Yes Yes 2'+ ITristania laurina (Tristaniopsis laurina) Water Gum 20 10 Evergreen M Yes Yes No 51+ Metrosederos excelsa New Zealand Christmas Tree 40 40 Evergreen M Yes No No 31+ Betula pendula European White Birch 40 25 Deciduous H Yes Yes Yes 5'+ Pinus eldarica (brutia) Afghan Pine 60 50 Evergreen L Yes Yes Yes 3'+ Brahea armata Mexican Blue Palm 30 15 Evergreen L Yes No No 51+ Pistachia chinensis Chinese Pistache 40 40 Deciduous M Yes Yes Yes 3'+ Brahea edulis Guadalupe Palm 30 10 Evergreen L No Yes No 5'+ Podocarpus macrophyllus Yew Pine 50 50 Evergreen M Yes No No 34 Cards canadensis'Forest Pansy' Forest Pansy Redbud 15 10 Deciduous M Yes Yes No 51+ Prunus ilicifolia subsp. lyonii Catalina Cherry 30 1 30 Evergreen VL No No No Available -15 Gal 31+ Cercis occidentalis Western Redbud 15 10 Deciduous L Yes Yes No 51+ Pyrus betulaefolia'Southworth' Dancer Pear 25 20 Deciduous Yes Yes No 31+ Chitalpa tashkentensis Chitalpa 25 25 Deciduous L Yes Yes No 5'+ Pyrus calleryana'Aristocraf Aristocrat Pear 30 40 Deciduous M Yes Yes Yes 31+ Eryobotrya deflexa no fruit Bronze Loquat 25 25 Evergreen M Yes Yes No 5'+ Pyrus calleryana'Chanticleee Chanticleer Pear 35 20 Deciduous M Yes Yes Yes 31+ Heteromeles arbutifolia Toyon Tree 15 10 Evergreen L No No No Available -15 Gal 5'+ Pyrus calleryana'Redspire' Redspire Pear 35 25 Deciduous M Yes Yes Yes 31+ Howse forsterana Kentia Palm 35 20 Evergreen M Yes Yes No 5'+ Quercus douglasii Blue Oak 50 50 Deciduous VL Yes Yes No 3'+ Hymenesporum flavum Sweetshade 40 20 Evergreen M No No No Available -15 Gal 5+ Quercus ilex Holly Oak 50 50 Evergreen L Yes Yes Yes 3'+ Ilex altaclarensis'Wilsonii' Wilson Holly 20 15 Evergreen M Yes No No 5'+ Sapium sebiferum Chinese Tallow Tree 40 35 Deciduous M Yes Yes No 3'+ Lagerstroemia indica'Indian Tribes' Crape Myrtle 25 20 Deciduous M Yes Yes Yes 5'+ Sophora japonica'Regent' Chinese Scholar Tree 40 1 40 Deciduous M Yes Yes No 3'+ Livistona chinensis Chinese Fountain Palm 20 10 Evergreen M Yes No No 5'+ Tabebuia avellanedae(lpe) Pink Trumpet Tree 30 30 Deciduous M Yes Yes Yes 3'+ Magnolia grandiflom'Liftle Gem' Little Gem Magnolia 20 15 Evergreen M Yes YesYes 81+ Araucaria heterophylla Norfolk Island Pine 80 30 Evergreen M Yes Yes No 3'+ Maytenus boaria Mayten Tree 20 15 Evergreen M Yes Yes Yes 81+ Brachychiton discolor Pink Flame Tree 70 50 Semi L No No No Available -15 Gal 3'+ Rhus integrifolia Lemonade Berry 10 10 Evergreen VL No No No Available -15 Gal 81+ Cinnamomum camphom Camphor Tree 50 60 Evergreen M Yes Yes Yes 31+ Rhus lancea African Sumac 25 20 Evergreen L Yes No No 8'+ Erythrina caffra Kaffirboom Coral Tree 40 40 Evergreen L Yes Yes No 31+ Syagms romanzolf ana Queen Palm 50 20 Evergreen M I Yes Yes Yes 8,+ Eucalyptus maculata Spotted Gum 75 40 Evergreen M Yes No No 31+ Washingtonia robusta Mexican Fan Palm 90 20 Evergreen L Yes Yes No 81+ Fraxinus velutina'Modesto' Modesto Ash 50 30 Deciduous M Yes Yes Yes 81+ Koelreuteria bipinnata Chinese Flame Tree 50 50 Deciduous M Yes Yes Yes 44 Arbutus unedo Strawberry Tree 20 20 Evergreen L Yes Yes Yes 44 Brachychiton populeneus Bottle tree 50 40 Evergreen L Yes Yes No 81+ Liquidambar slyraciflua'Rotundiloba' Round Leafed Sweetgum 60 35 Deciduous M Yes Yes No 4'+ Callistemon citrinus Lemon Bottlebrush 25 20 Evergreen L Yes YesNo 81+ Lophostemon confertus Brisbane Box 60 40 Evergreen M Yes Yes Yes 4'+ Callistemon viminalis Weeping Bottlebrush 25 20 Evergreen M Yes Yes No 81+ Pinus canariensis Canary Island Pine 80 50 Evergreen L Yes Yes Yes 4'+ Cassia leptophylla Gold Medallion tree 25 20 Evergreen M Yes Yes No 8'+ Pinus pinea Italian Stone Pine 60 40 Evergreen L Yes Yes Yes 4'+ Geijera parvifolia Australian Willow 40 25 Evergreen L Yes Yes Yes 8'+ Pinus torreyana Torrey Pine 70 40 Evergreen L Yes Yes No 4'+ Laurus noblis Grecian Laurel 40 30 Evergreen L Yes Yes Yes 81+ Platanus acerifolia London Plane Tree 70 40 Deciduous M Yes Yes No 4'+ Spathodea campanulata African Tulip Tree 30 20 Evergreen M Yes Yes No 81+ Platanus mexicana Mexican Sycamore 60 1 40 Evergreen M Yes Yes No 4'+ Stenocarpus sinuatus Firewheel Tree 25 15 Evergreen M Yes No No 81+ Platanus racemosa California Sycamore 60 40 Deciduous M Yes Yes Yes 81+ Podocarpus gracilior (Afrocarpus Fern Pine 60 60 Evergreen Yes Yes Yes 51+ Agonis flexuosa Peppermint Tree 35 35 Evergreen L Yes No Yes 81+ Quercus agrifolia Coast Live Oak 70 80 Evergreen L Yes Yes Yes 51+ Albizia julibrissin Silk Tree 40 40 Deciduous M Yes Yes No 8'+ Quercus engelmannii Engleman Oak 60 80 Evergreen L Yes Yes No 54 Bauhinia variegata (purpurea) Purple Orchid Tree 30 20 Deciduous M Yes Yes No 8'+ Quercus virginiana Southern Live Oak 60 80 Evergreen M Yes Yes Yes 5'+ Brachychiton acerfolius Flame Tree 40 30 Evergreen L Yes Yes No 81+ Schinus molle California Pepper 40 50 Evergreen VL Yes Yes Yes 54 lCalodendron capense Cape Chestnut 40 40 Deciduous M Yes No No 81+ Sequoia sempervirens'Aptos Blue' Aptos Blue Redwood 60 30 Evergreen H Yes Yes Yes 5'+ Erythrina americana (E. coralloides) Naked Coral Tree 30 30 Deciduous L Yes Yes No 81+ Tipuana tipu Tipu Tree 50 60 Semi M Yes Yes Yes 4'+ Eucalyptus fcifolia Red Flowering Gum 40 40 Evergreen M Yes No No 81+ Ulmus parvifolia "Drake" Chinese Elm 60 60 Semi M Yes Yes Yes 5'+ Eucalyptus sideroxylon Red or Pink Ironbark 60 40 Evergreen L Yes No No 81+ Zelkova serrata Sawleaf Zelkova 40 40 Deciduous L Yes Yes No Available Tree SDecies based on width of Parkwav Municipal Ordinances Chapter 13.08 Planting Trees Section .040 Unauthorized pruning, remova or tampering of City trees or plant material. -�' Section .060 Obstruction of the Cityri ht of g way by private trees or plant material. Municipal Ordinances Chapter 13.08 Planting Trees C% Section .010 Parkway trees required (e.g. demos and remodels) Section .030 Property owners to water parkway trees. dO Other Common Tree- Related Concerns Leaves, Flowers, Fruits "Messy Trees " -1 AaA r Q - cy � r + AaA If M � � . NIL gratory Bird Treaties Act aAo sR' � ii rl� tip r Yom+ .� 4 4 L ,�• .e f i i 7s� f TM ko n& Ft o I rTs 0 1 Fe TW Fe ToT&v r - i Asp f' ' 1' Ir IL ..... ..... loom Z I a AV& Urban Forest Planning Recognition of the Various Fundamental Benefits of a Vast Urban Forest Diversity Useful Lifespan of Trees Strategy for Renewing the Forest Poppy Ave. Before and After VA 511-, c—p w ," • rnae x EtiVR(gNp �_ EYaEYf�HgI Na•Ye•Oo.fm•nq 61aa aY P',R+h � 0.S•, LouYT �"�•Trallo�,Wli-113 Big Canyon Restoration Project Arbor Day 28 Consecutive Years as a "Tree City USA" This Year Arbor Day is April 26, 2019 0 rRF.F. CITV 11CA dO P" QUESTIONS / COMMENTS? PUBLIC WORKS DEPARTMENT Providing and Protecting Quality Public Improvements and Services