Trees with Height Greater Than 9M. 1

Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Preferred Street Trees for areas with no constraints Benefits: Acer cappadocicum 10 rounded golden ACCP inconspicuous fA Notes: bright red spring growth, not commonly Coliseum Maple 9 spreading yellow available in the nursery trade Crimson King, Emerald Benefits: adaptable to many soils; easily Acer platanoides 20 rounded Queen, Columnar, ACPL inconspicuous varies m A transplanted Norway Maple 18 oval Columnarbroad, Deborah, Notes: full sun is best Parkway Benefits: easily transplanted and established; very adaptable; tolerates salt and seaside Acer pseudoplatanus 18 oval no locations; tolerates high pH and calcareous ACPS inconspicuous m A Spaethii Sycamore Maple 15 rounded change soils Notes: full sun is best, but can take light shade; prefers cool environment Benefits: easy to transplant and establish; Autumn Flame, Bowhall, adaptable; Karpick, October Glory, Notes: moderate biogenic emissions; high Acer rubrum 18 pyramidal red ACRU red fAFranksred, Scarsen, Red canopy; prefers moist, acidic soils; on alkaline Red Maple 15 oval orange Sunset, Morgan, Green soils develops manganese chlorosis; full sun Mountain best for development, but can tolerate partial shade

Benefits: less prone to leaf scorch, leaf blotch Aesculus x carnea 15 rounded AECA pink to red bronze m A Briotii, Fort McNair and mildew than A. hippocastanum Horsechestnut 12 umbrella Notes: low canopy

Benefits: very soil adaptable as long as the soil Carpinus betulus 12 is well-drained; tolerates urban conditions and CABE pyramidal inconspicuous red gold s - m A Fastigiata, Franz Fontaine Hornbeam 12 pollution Notes:

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 81 N/A - Not Applicable 1 Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes

oval Benefits: pH adaptable Cercidiphyllum japonicum 18 CEJA rounded inconspicuous red gold s A Pendula Notes: not easy to transplant; requires water Katsura Tree 12 umbrella during establishment and dry periods

Benefits: Fagus sylvatica 25 Notes: prefers moist, well-drained, acidic soil; FASY oval inconspicuous bronze m - s A - L Riversii European Beech 20 does not like excessively wet soils; shallow, wide root system

Benefits: smog tolerant Fraxinus excelsior 20 oval no FREX inconspicuous m-f L none commonly available Notes: male plants preferred; good for difficult European Ash 15 rounded change growing sites; easy to establish and transplant

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 82 N/A - Not Applicable 2 Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes pyramidal Quercus palustris 16 bronze Benefits: easily transplanted QUPA rounded inconspicuous m - f L Crownright Pin Oak 12 red gold Notes: fast growing for an oak umbrella Benefits: adaptable Quercus phellos 20 yellow Notes: high biogenic emissions; tolerates heat, QUPH rounded inconspicuous m-f L Willow Oak 12 brown drought, pollution, compacted soils, and standing water Benefits: easily transplanted and grown; Robinia pseudoacacia 13 tolerant of salt, heat, pollution ROPS oval white gold f A Purple Robe, Frisia Locust 10 Notes: high biogenic emissions; tolerant of most soils Benefits: attactive to insects and birds Tilia tomentosa 18 TITO oval yellow yellow f A Notes: tolerates range of wide range of soils, Silver Linden 12 wind, salt, and pollution

Benefits: easy to transplant and establish Zelkova serrata 25 rounded bronze Notes: low biogenic emissions; shows fairly ZESE inconspicuous m - f A Green Vase, Village Green Japanese Zelkova 18 umbrella red gold good resistance to Dutch Elm Disease and bacterial canker, but not immune

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 83 N/A - Not Applicable 3 Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Other trees that may do well on streets with no constraints Abies grandis* 20 no Benefits: ABGR D pyramidal inconspicuous m - f L none commonly available Grand Fir 10 change Notes: moderate biogenic emissions; Benefits: dense shade; high large canopy; Acer platanoides `Crimson tolerates poor soil conditions; heat and drought 18 brown King' ACPL rounded inconspicuous m A N/A tolerant 15 purple Crimson King Maple Notes: surface-rooted; maroon leaf colour; may seed itself

Benefits: adapted to poor soil; heat and Acer platanoides `Emerald 20 oval golden drought-tolerant Queen' ACPL inconspicuous m - f A N/A 18 rounded yellow Notes: erect-spreading form; surface-rooted; Emerald Queen Maple brilliant red new growth; may seed itself

Benefits: Notes: extensive canopy; does not perform well when root zone is restricted; prefers well- Acer saccharum 18 oval red gold Bonefire, Commemoration, ACSC inconspicuous mL drained, moist fertile soils; not tolerant of high Sugar Maple 15 rounded orange Green Mountain heat, pollution, road salt; although shade tolerant, full sun is needed for proper development

Benefits: dense shade; desirable wildlife tree; Acer saccharum `Legacy' 18 oval yellow ACSC inconspicuous m - f L N/A good drought tolerance Legacy Sugar Maple 15 rounded orange Notes: best suited variety for the west coast

Benefits: Aesculus hippocastanum 20 AEHI rounded cream bronze f A-L none commonly available Notes: avoid hot, dry locations to minimize leaf Horsechestnut 15 scorch Benefits: Arbutus menziesii* 18 rounded no Notes: low biogenic emissions; difficult to ARME pink to white m L none commonly available Pacific Madrone 10 umbrella change transplant; requires excellent soil drainage; broadleaf evergreen

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 84 N/A - Not Applicable 4 Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Benefits: prefers wet/moist sites Betula jacquemontii 20 golden BEJA columnar inconspicuous m - f A none commonly available Notes: whitest bark of all the birches; does not Jacquemontii Birch 9 yellow tolerate drought

Benefits: tolerates wet/moist sites; easy to transplant and establish from container or B&B Notes: does poorly in high summer heat, Betula papyrifera* 18 oval golden especially root zone heat; fairly soil adaptable, BEPA inconspicuous m A none commonly available Paper Birch 10 rounded yellow often found growing in sandy, gravely soils; prefers well-drained, slightly acid sandy loam soils; does not tolerate pollution or difficult sites

Calocedrus decurrens 20 no Benefits: heat and drought tolerant CLDE D conical inconspicuous s-m L none commonly available California Incence Cedar 6 change Notes: low biogenic emissions;

Benefits: tolerant of many soil types, but prefers deep, moist, fertile soil; withstands wet Catalpa speciosa 16 bronze CTSP umbrella white s - m S - A none commonly available or dry and alkaline conditions and extremely Northern Catalpa 12 gold hot, dry environments Notes:

Benefits: drought tolerant Cedrus atlantica `Glauca' 20 no CDAT D conical inconspicuous s - m L N/A Notes: tolerates a wide range of soils, but not Blue Atlas Cedar 12 change wet

Benefits: drought tolerant once established Cedrus deodara 18 no CDDE D pyramidal inconspicuous f L Kashmir Notes: low biogenic emissions; prefers well- Deodar Cedar 12 change drained and somewhat dry soil;

Chamaecyparis nootkatensis* 25 no Benefits: desirable wildlife plant CHNO D conical inconspicuous s-m L Nootka Cypress 9 change Notes: low biogenic emissions; Benefits: Cladrastis lutea 15 rounded gold CLLU white s - m A none commonly available Notes: prefers well-drained soils; tolerates Yellowwood 12 umbrella orange alkaline and acidic soils

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 85 N/A - Not Applicable 5 Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes

Cornus `Eddie's White rounded Benefits: 10 Wonder' COEW umbrella white red m A N/A Notes: prefers part shade; best in well-drained, 6 Eddie's Dogwood vase acidic soils high in organic matter

Benefits: Notes: prefers sun to part shade (esp. Davidia involucrata 18 afternoon); prefers well-drained rich soil; DAIN oval white gold s - m A none commonly available Dove Tree 10 protect from wind; exceptionally showy and unusual flower display; may take a decade or more to reach flowering size Benefits: quite soil adaptable; easily gold Fraxinus americana 12 transplanted and established; tolerant of poorly- FRAM oval inconspicuous orange f A - L Autumn Applause White Ash 7.5 drained soils purple Notes: Benefits: survives standing water in winter Fraxinus latifolia* 18 yellow months; when established, need not be FRLA oval inconspicuous m - f L none commonly available Oregon Ash 12 brown watered during the summer Notes: provincially red-listed Fraxinus oxycarpa 12 oval Benefits: FROX inconspicuous red purple m A Raywood Raywood Ash 7.5 rounded Notes: somewhat drought tolerant

Gleditsia triacanthos inermis `Shademaster' 18 yellow Benefits: good drought tolerance GLTR umbrella greenish yellow m 0 N/A Shademaster Locust 13 brown Notes: Gymnocladus dioicus 18 Benefits: drought and pollution tolerant GYDI oval inconspicuous gold m - f A none commonly available Kentucky Coffeetree 12 Notes: Benefits: tolerates urban conditions Lirodendron tulipifera 24 bronze LRTU oval yellow orange f L Fastigiatum Notes: moderate biogenic emissions; intolerant Tulip Tree 13 gold of hot, dry sites

Benefits: oval Magnolia grandiflora 15 no Notes: moderate biogenic emissions; prefers MAGR rounded white m L Edith Bogue, Victoria Southern Magnolia 7 change rich, well-drained soil; somewhat drought umbrella tolerant; can not tolerate soil compaction

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 86 N/A - Not Applicable 6 Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Nothofagus antarctica 30 bronze Benefits: tolerates drought once established NOAN pyramidal inconspicuous f A none commonly available Antarctic Beech 25 gold Notes:

Benefits: fire resistant Nyssa sylvatica 25 pyramidal red NYSY inconspicuous s - m L none commonly available Notes: prefers moist, well-drained, acidic, deep Tupelo 20 oval orange soils Benefits: Oxydendron arboreum 10 red Notes: more sun translates into better fall color OXAR oval cream white s A none commonly available Sourwood 4 orange and more bloom; avoid polluted, urban locations

Paulownia tomentosa 15 oval bronze Benefits: drought tolerant; salt tolerant; PUTO purple f S - A none commonly available Empress Tree 12 rounded gold Notes: prefers wet, deep, well-drained soils

Benefits: Picea engelmannii* 15 no PIEN D pyramidal inconspicuous m L none commonly available Notes: high biogenic emissions; best in well- Engleman Spruce 6 change drained, loamy, organic soils

Picea omorika 18 columnar no Benefits: pH adaptable; tolerates pollution PIOM D inconspicuous s - m L Pendula Serbian Spruce 7 pyramidal change Notes:

Benefits: grows in a wide variety of soil Pinus contorta* 12 no PNCO D pyramidal inconspicuous f L Contorta, Latifolia conditions Shore Pine 6 change Notes: moderate biogenic emissions; Pinus nigra 20 no Benefits: PNNI D pyramidal inconspicuous s-m L European Pine 12 change Notes: Pinus ponderosa* 25 no Benefits: drought tolerant; salt tolerant PNPO D pyramidal inconspicuous m - f L none commonly available Ponderosa Pine 9 change Notes: moderate biogenic emissions;

Benefits: easily transplanted; pollution tolerant; oval Platunus x acerifolia 15 bronze Bloodgood, Yarwood, good for difficult growing sites PLAC rounded inconspicuous fL London Planetree 12 gold Liberty Island Notes: high biogenic emissions; best in deep, umbrella moist, fertile soil, but very adaptable

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 87 N/A - Not Applicable 7 Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Benefits: Pseudotsuga menziesii* 25 no PSME D pyramidal inconspicuous s L Fastigiata, Glauca Notes: moderate biogenic emissions; generally Douglas Fir 6 change dislikes hot, dry sites

Benefits: tolerant of dry and hot conditions; Pyrus calleryana 15 oval red gold great year round tree (flowers, fall color and PYCA white m A Aristocrat, Respire Ornamental Pear 10 rounded purple unique winter habit ) Notes:

Benefits: oval bronze Quercus coccinea 16 Notes: high biogenic emissions; difficult to QUCO rounded inconspicuous red m - f L none commonly available Scarlet Oak 12 transplant; prefers somewhat dry, acidic, umbrella orange sandy soils

Benefits: oval bronze Quercus rubra 18 Notes: high biogenic emissions; withstands QURU rounded inconspicuous red m - f L Aurea Red Oak 16 urban conditions well; grows rapidly for an oak; umbrella orange easily transplanted for an oak

Sequoiadendron giganteum 20 no SQGI D pyamidal inconspicuous mL Giant Sequoia 9 change Benefits: Sorbus aucuparia 10 red gold SOAU oval white m -f A Cardinal Royal Notes: stress predisposes the plant to disease Mountain Ash 6 orange and insect problems Benefits: Stewartia pseudocamellia 12 bronze Notes: does not establish easily; dislikes SWPS pyramidal orange white s - m A none commonly available Japanese Stewartia 10 red purple intense heat and drought

Benefits: Taxiodium distichum no Notes: tolerant of permanently wet soils, but TADI D pyramidal inconspicuous m - f A - L none commonly available Bald Cypress change also tolerant of normal soils as long as they are not excessively dry

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 88 N/A - Not Applicable 8 Constraint Class 1: No Prominent Constraints Large trees: trees with height greater than 9m. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Benefits: Thuja plicata* no Notes: low biogenic emissions; generally quite THPL D pyramidal inconspicuous s L none commonly available Western Red Cedar change adaptable and tolerant once established; a favorite food of deer Thuja plicata `Excelsa' 6 Benefits: THPL D pyramidal inconspicuous bronze s 0 N/A Excelsa Western Red Cedar 2 Notes: pyramidal Benefits: tolerant of difficult, dry or heavy soils; Tilia americana 10 TIAM oval white yellow gold m A Redmond easily transplanted Linden 8 umbrella Notes: attracts bees when in bloom Benefits: tolerant of difficult growing sites and pyramidal Tilia cordata 15 soils; tolerant of urban conditions; pollution TICO oval white yellow gold s - m A none commonly available Littleleaf Linden 10 tolerant umbrella Notes: attracts bees when in bloom Benefits: tolerant of difficult growing sites and oval Tilia euchlora 13 soils; tolerates urban conditions; pollution TIEU rounded white yellow gold s - m A none commonly available Crimean Linden 9 tolerant umbrella Notes: attracts bees when in bloom

Benefits: Tsuga heterophylla 15 no TSHE D pyramidal inconspicuous m - f L none commonly available Notes: moderate biogenic emissions; best in Hemlock change sun, but can take considerable shade

Ulmus `Homestead' 18 pyramidal Benefits: UL inconspicuous gold f 0 N/A Homestead Elm 15 oval Notes: resistant to Dutch Elm disease

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 89 N/A - Not Applicable 9 Constraint Class 2: Narrow Boulevard Medium trees: trees with a height greater than 9m and a narrow form. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Flowers Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes

Benefits: brilliant, long-lasting fall colour; Acer campestre 15 oval red ACFR inconspicuous f A N/A Notes: tolerates drought and poor soil Hedge Maple 5 rounded orange conditions Benefits: good close to buildings; heat and Acer nigrum `Green Column' 15 yellow ACNI columnar inconspicuous m A N/A drought tolerant; adapted to poor soil Green Column Maple 6 orange Notes: Benefits: easily transplanted; adapted to poor Acer platanoides `Columnar' 12 ACPL columnar green yellow gold s A N/A soil conditions Columnar Norway Maple 4.5 Notes: shallow root system maroon Benefits: pollution tolerant; adapted to poor Acer platanoides `Crimson Sentry' 13 ACPL pyramidal inconspicuous red m A N/A soil conditions Crimson Sentry Maple 6 bronze Notes: Benefits: easily transplanted; tolerant of urban Acer platanoides `Parkway' 12 ACPL columnar inconspicuous gold m A N/A conditions for a maple Parkway Maple 7.5 Notes: offers heavy shade

Benefits: easy to transplant and establish; Acer rubrum `Armstrong' 15 ACRU columnar red red f A N/A tolerant of many conditions and adaptable Armstrong Red Maple 4 Notes: develops surface roots

Acer rubrum `Bowhall' 15 pyramidal gold red Benefits: easily transplanted; ACRU red m - f A N/A Bowhall Maple 4 columnar orange Notes: develops surface roots Acer rubrum `Karpick' 13 oval gold red Benefits: brilliant fall colour ACRU red f A N/A Karpick Maple 6 rounded orange Notes: develops surface roots Benefits: Notes: will tolerate a range of soil and climatic Acer rubrum `Scarsen' 12 oval gold red ACRU red m - f A N/A conditions including relatively wet sites but Scarlet Sentinel Maple 6 columnar orange prefers moist, acidic soils; develops surface roots Benefits: drought tolerant; tolerates urban Carpinus betulus `Fastigiata' 12 pyramidal CABE inconspicuous red gold m A N/A conditions; relatively pest free Pyramidal European Hornbeam 8 columnar Notes:

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 90 N/A - Not Applicable 10 Constraint Class 2: Narrow Boulevard Medium trees: trees with a height greater than 9m and a narrow form. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Flowers Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes

Benefits: tree has winter interest due to its Fagus sylvatica `Dawyck' 20 unusual form and persistent fruits FASY columnar inconspicuous bronze s - m A - L N/A Fastigiate Beech 3 Notes: moderately drought tolerant once established; develops surface roots Fagus sylvatica `Dawyck Purple' 20 no Benefits: FASY columnar inconspicuous s - m A - L N/A Fastigiate Beech 3 change Notes: Fagus sylvatica `Dawyck Gold' 20 Benefits: FASY columnar inconspicuous gold s - m A - L N/A Fastigiate Beech 3 Notes: Benefits: Fraxinus americana `Autumn Applause' 12 FRAM oval inconspicuous purple f L N/A Notes: will tolerate partial shade; moderately Autumn Applause Ash 7.5 drought tolerant Benefits: tolerates urban conditions Fraxinus oxycarpa ` Raywood' 10 oval FROX inconspicuous red purple m A N/A Notes: moderately drought tolerant once Raywood Ash 7.5 rounded established

Benefits: tolerates a wide range of soils; Ginkgo biloba `Princeton Sentry' 20 tolerates urban conditions; beautiful fall color GIBI columnar inconspicuous gold m - f L N/A Princeton Sentry Ginkgo 5 Notes: do not plant females-- fruit smells unpleasant

Liriodendron tulipifera fastigiatum 'Arnold' 20 oval bronze Benefits: LRTU yellow orange f L N/A Fastigiate Tulip Tree 6 columnar gold Notes: Magnolia `Galaxy' 20 pyramidal bronze Benefits: tolerates a wide range of soils MAGL bright pink m A N/A Galaxy Magnolia 6 oval gold Notes: Magnolia kobus 9 no Benefits: branches resist breakage MAKO rounded white pink s - m A Wada's Memory Kobus magnolia 6 change Notes: Benefits: relatively pest free Oxydendron arboreum 20 red none commonly OXAR oval cream white sA Notes: does not tolerate pollution/urban Sourwood 4 orange available conditions Benefits: Prunus sargentii `Columnarus' 11 columnar gold red PRSA pink s - m A N/A Notes: moderately drought tolerant once Columnar Sargent Cherry 4.5 vase bronze established

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 91 N/A - Not Applicable 11 Constraint Class 2: Narrow Boulevard Medium trees: trees with a height greater than 9m and a narrow form. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Flowers Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes

Prunus x hillieri `Spire' 15 Benefits: PRHI vase pink yellow red m A N/A Spire Cherry 2.5 Notes: Pyrus calleryana `Chanticleer' 12 Benefits: PYCA pyramidal white purple red m A N/A Flowering Pear 5 Notes: hardier than species Benefits: tolerates urban conditions Quercus robur ' Fastigiata' 18 columnar QURO inconspicuous bronze m L N/A Notes: autumn foliage persists throughout Fastigiate English Oak 8 pyramidal winter

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 92 N/A - Not Applicable 12 Constraint Class 3: Overhead Lines Small trees. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes

Low Zone: height 6m or less

Acer ginnala 6 Benefits: very hardy; easily transplanted ACGI oval yellow red gold s -m S - A Flame Amur Maple 6 Notes:

Atropurpureum, Benefits: rounded Acer palmatum 6 red gold Bloodgood, Butterfly, Notes: single or multi-stemmed; may suffer ACPA umbrella inconspicuous s -m A Japanese Maple 6 orange Crimson Queen, Sango leaf scorch with excess sun, wind, or drought; vase Kaku, Versicolour moderate biogenic emissions

Benefits: easily transplanted; tolerates a wide Acer platanoides globosum 4.5 ACPL rounded inconspicuous gold s -m A N/A range of soils Globe Norway Maple 5.5 Notes: branches resist breakage; Corylus americana 6 rounded bronze Benefits: relatively pest and disease free COAM yellow brown s -m A none commonly available Filbert 6 umbrella red Notes: prefers shaded areas;

Fraxinus oxycarpa aureopolia 6 Benefits: FROX rounded inconspicuous gold - - N/A Golden Desert Ash 5.5 Notes: unusual gold coloured bark

Hamamelis x intermedia 5.5 yellow orange red gold Arnold's Promise, Dianne, Benefits: relatively disease and pest free HMIN - mA Witch Hazel 5.5 red orange Jelena Notes:

Holodiscus dicolor* rounded Benefits: HODI 1.5 1.5 white cream gold f - none commonly available Ocean Spray umbrella Notes: rounded Benefits: tolerant of urban conditions Magnolia soulangiana 6 bronze MASO umbrella pink purple white m A Susan, Rustica Rubra Notes: fairly adaptable to a wide range of soils; Saucer Magnolia 6 gold vase moderate biogenic emissions Pinus mugo 6 pyramidal no Benefits: easily transplanted; PNMU D inconspicuous s -m - Mugo, Tannenbaum Mugo Pine 6 rounded change Notes: tolerates some shade; Sambucus racemosa* 6 Benefits: transplants easily SMRA - white cream 0 f - - Red-berry Elder 6 Notes: multi-stemmed;

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 93 N/A - Not Applicable 13 Constraint Class 3: Overhead Lines Small trees. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Medium Zone: less than 12m height Benefits: pest resistant; drought tolerant once Acer truncatum x `Warrenred' 9 rounded red yellow established ACTR inconspicuous m A N/A Pacific Sunset Maple 7.5 pyramidal orange Notes: best in full sun but will tolerate partly shady sites; Benefits: tolerates wind, salt, drought, air Acer buergeranum 9 oval pollution, and soil compaction; does not ACBU yellow red gold f A none commonly available Trident Maple 9 rounded develop leaf scorch during drought Notes: Benefits: easy to transplant Acer campestre 9 ACCA rounded green gold s S - A See below Notes: will tolerate drought; shallow root Hedge Maple 9 system; Benefits: tolerant of dry soils, compaction and Acer campestre `Queen Elizabeth' 9 ACCA upright inconspicuous gold s S - A N/A air pollution Queen Elizabeth Maple 9 Notes: Benefits: Acer circinatum* 9 rounded ACCI inconspicuous red gold m S - A none commonly available Notes: prefers fairly fertile moist soils, but will Vine Maple 6 vase tolerate a wide variety of soils; Acer glabrum 9 oval Benefits: ACGL green yellow gold m S none commonly available Douglas Maple 6 rounded Notes:

Benefits: Acer griseum 7.5 oval ACGR inconspicuous red s -m S - A none commonly available Notes: outstanding fall colour; offers dappled Paperbark Maple 7.5 rounded shade; does not tolerate drought;

Acer japonicum `Aconitifolium' 7.5 vase Benefits: good fall colour ACJA red red s -m S - A N/A Fernleaf Fullmoon Maple 7.5 rounded Notes: branches resist breakage; Benefits: Cercidiphyllum japonicum `Pendula' 8 CEJA rounded inconspicuous gold red f A N/A Notes: shallow root system; relatively pest Weeping Katsura Tree 7 free;

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 94 N/A - Not Applicable 14 Constraint Class 3: Overhead Lines Small trees. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Benefits: drought tolerant Notes: in urban landscapes, tends to be Cercis canadensis 9 rounded CECA pink rose gold f S - A See below shorter lived due to a combination of urban Eastern Redbud 7.5 umbrella stresses, diseases, and pests; less adapted to drought than species

Benefits: drought tolerant Notes: in urban landscapes, tends to be Cercis canadensis `Alba' 9 rounded CECA white gold m S - A N/A shorter lived due to a combination of urban White Redbud 7.5 umbrella stresses, diseases, and pests; less adapted to drought than species

Benefits: Notes: in urban landscapes, tends to be Cercis canadensis `Forest Pansy' 6.5 rounded bronze CECA purple red m S - A N/A shorter lived due to a combination of urban Forest Pansy Redbud 7.5 umbrella purple stresses, diseases, and pests; less adapted to drought than species; Cercis canadensis ssp. texensis Benefits: 7.5 vase `Oklahoma' CECA pink gold f S - A N/A Notes: habit is more dense and compact than 7.5 rounded Oklahoma Redbud the species; Chamaecyparis pisifera `Filifera' 9 no Benefits: CHPI pyramidal inconspicuous s -m L N/A Cypress 6 change Notes: does not do well in alkaline soil;

Benefits: has four season appeal (flowers, Cornus florida 9 white pink rose fruits, fall, color, bark) and branching character COFL umbrella red m A Cherokee Chief, Rubra Flowering Dogwood 7.5 yellow Notes: not tolerant of stresses such as heat, drought, pollution, road salt;

Benefits: relatively drought tolerant; four Cornus kousa `Chinensis' 9 umbrella COKO cream white red gold m A N/A season appeal Chinese Dogwood 7.5 vase Notes: low biogenic emissions Cornus kousa `National' or `Satomi' 9 umbrella Benefits: COKO pink red gold m A N/A Kousa Dogwood 7.5 vase Notes:

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 95 N/A - Not Applicable 15 Constraint Class 3: Overhead Lines Small trees. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Benefits: relatively easy to transplant; pest Cornus mas 7.5 rounded COMA yellow red gold m A Spring Glow resistant Cornelian Cherry 6 umbrella Notes:

Crataegus columbiana* 9 red Benefits: drought tolerant; pollution tolerant CRCO rounded white s - none commonly available Hawthorn 9 orange Notes: armored;

Crataegus phaenopyrum 9 rounded red Benefits: CRPH white m - none commonly available Washington Hawthorn 9 umbrella orange Notes: armored; multi-stemmed;

Crataegus x lavallei 9 red Benefits: CRLA oval white m A none commonly available Lavalle Hawthorn 7.5 orange Notes: armored;

Benefits: easily transplanted and established; Fraxinus ornus 9 gold tolerant of poorly-drained soils FROR rounded green white f A none commonly available Flowering Ash 9 purple Notes: male plants preferred for landscape settings (less fruit than female)

Halesia carolina 9 Benefits: relatively disease and pest free HACA oval white gold m A none commonly available Carolina Silverbell 6 Notes: prefers a moist, well-drained, acid soil;

Koelreuteria paniculata 9 rounded bronze Benefits: drought and smog tolerant KOPA yellow s - m A none commonly available Goldenrain Tree 9 umbrella gold Notes: oval Magnolia `Galaxy' 7.5 bronze Benefits: relatively disease and pest free MAGA rounded purple red m A N/A Galaxy Magnolia 7.5 gold Notes: vase Benefits: moderately drought tolerant; tolerates oval Magnolia grandiflora 7.5 no Edith Bogue, Little Gem, a variety of soils MAGR rounded white mL Magnolia 6 change Victoria Notes: difficult to transplant; evergreen; umbrella moderate biogenic emissions Malus 7.5 Benefits: ML ------Flowering Crabapple 6 Notes:

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 96 N/A - Not Applicable 16 Constraint Class 3: Overhead Lines Small trees. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Benefits: drought tolerant; tolerates urban Parrotia persica 9 orange PAPE oval red s - m A Ruby Vase conditions Ironwood 9 red gold Notes: Benefits: four season appeal; rounded Prunus x yedoensis `Akebono' 7.5 bronze Notes: drought sensitive; crown will become PRYE umbrella pink m - f S - A N/A Akebono Cherry 7.5 gold one-sided if it does not receive light all around vase the plant; rounded Prunus blireiana 7.5 Benefits: PRBL umbrella pink rose bronze m S - A none commonly available Flowering Plum 6 Notes: trunk develops warts and burls; vase oval Prunus virginiana `Shubert' 7 Benefits: PRVI rounded white bronze m S N/A Shubert Choke Cherry 6.5 Notes: red foliage summer foliage; umbrella

Benefits: adaptable to many different soils; Pyrus calleryana 9 oval red gold Cleveland Select, Capital, PYCA white mA tolerates drying and pollution Pear 6 rounded purple Autumn Blaze Notes:

Robinia pseudoacacia `Purple Robe' 9 Benefits: salt tolerant ROPS oval lavender gold f A standard size varieties Purple Robe Black Locust 9 Notes: armored; Sorbus americana 7.5 Benefits: SOAM rounded white red gold s S See below American Mountain Ash 6 Notes: fruit attracts birds; Sorbus aucuparia `Michred' 9 gold Benefits: SOAU oval white m - f A N/A Cardinal Royal Mt. Ash 6 orange Notes: Benefits: four season interest; relatively pest Stewartia pseudocamellia 9 bronze SWPS pyramidal orange white s - m A none commonly available and disease free Japanese Stewartia 9 red purple Notes: does not establish easily; Stewartia sinensis 7.5 Benefits: SWSI - white red s - none commonly available Chinsese Stewartia 7.5 Notes: Benefits: Styrax japonicus 9 rounded STJA white red gold s - m S - A Pink Chimes Notes: flowers attract bees; tolerates some Japanese Snowbell 9 umbrella shade;

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 97 N/A - Not Applicable 17 Constraint Class 3: Overhead Lines Small trees. Botanical Name Common Name Code Conifer (m) Height Spread (m) Form Tree Colour Flower Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Syringa reticulata 9 oval bronze Benefits: SYRE white m A Ivory Silk Japanese Tree Lilac 7.5 rounded gold Notes: somewhat drought tolerant; Benefits: drought resistant; tolerates urban Tilia cordata `De Groot' 9 TICO - yellow gold s - m - N/A conditions Linden 6 Notes: suckers less than other t. cordata;

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 98 N/A - Not Applicable 18 Constraint Class 4; Overhead Lines and a Narrow Boulevard Small trees with a narrow form. Tree Species Code Conifer (m) Height Spread (m) Form Tree Flower Colour Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Low Zone: height 6m or less, maximum spread of 5m Acer tataricum `Pattern Perfect' 6 red Benefits: drought tolerant ACTA oval inconspicuous m - f A N/A Pattern Perfect Tatarian Maple 4.5 orange Notes: does best in well drained soils Amelanchier alnifloia* 5 oval Benefits: does well in dry sites AMAL white red gold m S - A none commonly available Saskatoon 5 rounded Notes: low biogenic emissions; Benefits: tolerant of poor soils; easily Cotinus coggygria 4.5 red gold CCOG rounded lavender purple m S - A Daydream, Royal Purple transplanted and established Smoke Tree 4 orange Notes: Fraxinus excelsior Globosum 6 Benefits: FREX rounded green purple gold a A - L N/A Globe-headed European Ash 4.5 Notes: rounded Arbutus `Marina' 7.5 no Benefits: drought tolerant once established ARMA umbrella pink rose s - m A N/A Marina Madrone 4.5 change Notes: vase Benefits: easily transplanted; grows in poor Juniperus communis 4.5 no site conditions; once established, requires little JNCO arching inconspicuous s 0 Stricta Common Juniper 2 change maintenance Notes: shrubby

Benefits: rounded Notes: usually multi-stemmed; performs best Magnolia stellata 3.5 bronze MAST umbrella white s A Acclaim, Royal Star, in partial sun in moist, acidic, deep soils but is Star Magnolia 3.5 gold vase quite adaptable to a wide range of soils, soil pHs, pollution, and even wet soils

Prunus serrulata `Amanogawa' 6 bronze Benefits: PRSE columnar pink m 0 N/A Amanogawa Cherry 2 red Notes: prefers well drained soil Rhododendron spp. 2 Benefits: RD 00000 0 Rhododendron 2 Notes:

Benefits: easily transplanted and established; Viburnum opulus 3 VIOP rounded white red purple m 0 Roseum adaptable to extremes of soil and pH Snowball Tree 4.5 Notes:

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 99 N/A - Not Applicable 19 Constraint Class 4; Overhead Lines and a Narrow Boulevard Small trees with a narrow form. Tree Species Code Conifer (m) Height Spread (m) Form Tree Flower Colour Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Medium Zone: height less than 12m, maximum spread of 5m Benefits: tolerates urban conditions; drought tolerant Fagus sylvatica `Purple Fountain' 7.5 FASY weeping inconspicuous bronze s - m A N/A Notes: prefers moist, well-drained, acidic soil; Purple Fountain Beech 4 does not like excessively wet soils

Benefits: Prunus cerasifera `Atropurpurea' 9 PRCE oval vase white bronze m - f S - A N/A Notes: fruit litter; maintains purple foliage all Pissard Plum 4.5 season Prunus x hillieri `Spire' 9 Benefits: PRHI columnar pink red m 0 N/A Spire Cherry 3 Notes: copper coloured summer foliage

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 100 N/A - Not Applicable 20 Constraint Class 5: Planting in Pavement Avoid trees with large surface roots, dense canopies and trees that can litter the pavement. Tree Species Code Conifer (m) Height Spread (m) Form Tree Flower Colour Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Benefits: hardy; easy to transplant Acer campestre 9 ACCA rounded green gold s S - A Queen Elizabeth Notes: will tolerate drought; shallow root Hedge Maple 9 system;

Acer cappadocicum 10 rounded yellow Benefits: ACCP inconspicuous fA Coliseum Maple 9 spreading gold Notes: bright red spring growth

Acer ginnala 6 Benefits: very hardy; easily transplanted ACGI oval yellow red gold s - m S - A Flame Amur Maple 6 Notes:

Benefits: dense shade; high large canopy; Acer platanoides `Crimson King' 18 brown adapted to poor soil; heat and drought-tolerant ACPL rounded inconspicuous m A N/A Crimson King Maple 15 purple Notes: surface-rooted; maroon leaf colour; may seed itself

Benefits: easily transplanted and established; very adaptable; tolerates salt and seaside Acer pseudoplatanus 18 oval no ACPS inconspicuous m A Spaethii locations; tolerates high pH, calcareous soils Sycamore Maple 15 rounded change Notes: full sun best, can take light shade; prefers cool environment

Benefits: very soil adaptable as long as the soil Carpinus betulus 12 is well-drained; can tolerate urban conditions CABE pyramidal inconspicuous red gold s - m A Fastigiata, Franz Fointaine Hornbeam 12 and pollution Notes:

oval Benefits: pH adaptable Cercidiphyllum japonicum 40 CEJA rounded inconspicuous red gold s A Pendula Notes: not easy to transplant; requires water Katsuratree 40 umbrella during establishment and dry periods

Fraxinus oxycarpa 12 oval Benefits: tolerates urban conditions FROX inconspicuous red purple m A See below Ash 7.5 rounded Notes: somewhat drought tolerant Benefits: tolerates urban conditions Fraxinus oxycarpa ` Raywood' 10 oval FROX inconspicuous red purple m A N/A Notes: moderately drought tolerant once Raywood Ash 7.5 rounded established

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 101 N/A - Not Applicable 21 Constraint Class 5: Planting in Pavement Avoid trees with large surface roots, dense canopies and trees that can litter the pavement. Tree Species Code Conifer (m) Height Spread (m) Form Tree Flower Colour Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Fraxinus pennsylvanica 18 Benefits: easily transplanted and established FRPE oval inconspicuous gold m L Marshall, Summit Green Ash 12 Notes: low biogenic emissions;

Benefits: adaptable to pH and almost any other conditions; tolerant of pollution, salt air, and Ginkgo biloba 25 bright GIBI pyramidal inconspicuous m L Magyar, Fairmount, Sentry heat; pest free Maidenhair Tree 15 yellow Notes: do not plant females-- fruit smells unpleasant Gleditsia tricanthos inermis 18 oval Shademaster, Skyline, Benefits: tolerates pollution and heat GLTR inconspicuous gold f A - L Thornless Honey Locust 15 umbrella Sunburst Notes: dappled shade Juniperus chinensis 15 no Blue Point, Old Gold, Benefits: drought tolerant JNCH D pyramidal inconspicuous s - m S - A Chinese Juniper 6 change Pfitzeriana Notes: rounded Koelreuteria paniculata 10 bronze Benefits: drought tolerant; pollution tolerant KOPA umbrella yellow s - m A none commonly available Goldenrain Tree 10 gold Notes: high biogenic emissions; vas Benefits: tolerates urban conditions Lirodendron tulipifera 24 bronze LRTU oval yellow orange f L Fastigiatum Notes: moderate biogenic emissions; intolerant Tulip Tree 13 gold of hot, dry sites Benefits: fire resistant Nyssa sylvatica 25 pyramidal red NYSY inconspicuous s - m L none commonly available Notes: prefers moist, well-drained, acidic deep Tupelo 20 oval orange soils Benefits: drought tolerant; tolerates urban Parrotia persica 9 orange PAPE oval red s - m A Ruby Vase conditions Ironwood 9 red gold Notes: Prunus sp. Benefits: PR 0 0 0 0 0 Cherry / Plum Notes: Benefits: tolerant of drought and compacted Quercus acutissima 13 golden male golden soils, attacts wildlife QUAC rounded m-f L Sawtooth Oak 12 catkins yellow Notes: adaptable, clean foliage, easy to tranplant oval bronze Benefits: Quercus coccinea 23 QUCO rounded inconspicuous red m - f L none commonly available Notes: high biogenic emissions; difficult to Scarlet Oak 14 umbrella orange transplant;

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 102 N/A - Not Applicable 22 Constraint Class 5: Planting in Pavement Avoid trees with large surface roots, dense canopies and trees that can litter the pavement. Tree Species Code Conifer (m) Height Spread (m) Form Tree Flower Colour Colour Fall Growth Rate Longevity Suggested Varieties and Benefits Notes Benefits: adaptable Quercus phellos 20 yellow Notes: high biogenic emissions; tolerates heat, QUPH rounded inconspicuous m-f L Willow Oak 12 brown drought, pollution, compacted soils, and standing water oval Benefits: Quercus robur 15 bronze QURO rounded inconspicuous f L Fastigiata Notes: high biogenic emissions; prefers moist, English Oak 15 gold umbrella fertile, well drained soils Benefits: easily transplanted; tolerates salt, Robinia pseudoacacia 15 ROPS oval white gold f A Frisia, Purple Robe heat, pollution Black Locust 10 Notes: high biogenic emissions; Benefits: four season interest; relatively pest Stewartia psuedocamelia 9 bronze SWPS pyramidal orange white s - m A none commonly available and disease free Japanese Stewartia 9 red purple Notes: does not establish easily;

Benefits: tolerant of difficult growing sites and pyramidal Tilia cordata 15 soils; tolerant of urban conditions; pollution TICO oval white yellow gold s - m A none commonly available Littleleaf Linden 10 tolerant umbrella Notes: attracts bees when in bloom

Benefits: attactive to insects and birds Tilia tomentosa 18 TITO oval yellow yellow f A Notes: tolerates range of soils, wind, salt, and S ilver Linden 12 pollution

Growth Rate: s=slow, m=medium, f=fast Longevity: S=short, 40 to 60 years, A=average 50-150 years, L=long, 100-175 years * Denotes native species 103 N/A - Not Applicable 23