Street Trees Planning & Community The following information is Development intended to educate 17500 Midvale Avenue North property owners and Shoreline, WA 98133-4905 contractors of the general 206-801-2500 [phone] requirements regarding 206-801-2788 [fax] [email protected] trees approved for planting www.shorelinewa.gov and/or replacement when planting trees in the public right-of-way is required. It only applies to public street trees, not trees on private property or those in parks or unopened rights of way. A right-of-way use permit is required for planting or removing street trees in the rights-of-way adjacent to the applicant’s property according to the tree variety and spacing listed in Appendix G of the 2019 Engineering Development Manual. The updated Street Tree List was recommended for approval by the Parks, Recreation and Cultural Services/Tree Board on March 1, 2019 after public notice and opportunity for public comment. Please see the 2019 Engineering Development Manual or the Approved 2019 Street Tree List (Appendix G) at http://www.shorelinewa.gov/government/departments/public- works/engineering-standards Hours of Operation: Monday 8:00 am –5:00 pm Tuesday 8:00 am –5:00 pm For more information regarding trees on private property please see the Wednesday 1:00 pm –5:00 pm Tree Regulations for Private Property Development Handout. Thursday 8:00 am –5:00 pm Friday 8:00 am –5:00 pm Permit Processing Ends at 4:00 pm Daily Note: this handout is for informational use only and is not to be substituted for the Shoreline Municipal Code 1/2020 Right‐of‐Way (ROW) Street Tree List Large Columnar Trees Min Fall Mature Under Spread Strip Flower Color Scientific & Common Name Height Wires/View Comments (ft) Width Color (ft) Covenants (ft) Acer nigrum ‘Green Column’ 50 10 No 6 N/A Good close to buildings Green Column Black Sugar Maple Ginko biloba ‘Princeton Sentry’ 40 15 No 6 N/A Very narrow growth. Princeton Sentry Ginkgo Nyssa sylvatica 60 20 No 6 N/A Handsome chunky bark – Great Plant Pick Tupelo Quercus ‘Crimschmidt’ 45 15 No 6 N/A Hard to find in the nursery trade Crimson Spire Oak Quercus frainetto Drought resistant – beautiful green, glossy leaves in summer. 50 30 No 6 N/A Italian Oak Great Plant Pick Quercus robur ‘fastigiata’ 40 15 No 6 N/A Columnar variety of oak Skyrocket Oak Taxodium distichum 'Mickelson' 55 20 No 6 N/A Deciduous conifer - tolerates city conditions Shawnee Brave Bald Cypress Large Trees Mature Under Fall Spread Min Strip Flower Scientific & Common Name Height Wires/View Color Comments (ft) Width (ft) Color (ft) Covenants Acer saccharum ‘Bonfire’ 50 40 No 6 N/A Fastest growing sugar maple Bonfire Sugar Maple Acer saccharum 'Commemoration' 50 35 No 6 N/A Resistant to leaf tatter. Great Plant Pick Commemoration Sugar Maple Acer saccharum 'Green Mountain' 45 35 No 6 N/A Reliable fall color. Great Plant Pick Green Mountain Sugar Maple Acer saccharum 'Legacy' Limited use - where sugar maple is desired in limited planting 50 35 No 5 N/A Legacy Sugar Maple strip area. Great Plant Pick Aesculus flava Least susceptible to leaf blotch – large fruit – fall color is 60 40 No 6 Yellow Buckeye varied, but quite beautiful Cercidiphyllum japonicum Needs lots of water when young – can produce large surface 40 40 No 6 N/A Katsura Tree roots. Great Plant Pick City of Shoreline | Street Tree List, March 1, 2019 2 Right‐of‐Way (ROW) Street Tree List Fagus sylvatica Silvery-grey bark Green Beech 50 40 No 6 N/A Fagus sylvatica 'Asplenifolia' Beautiful cut leaf. Great Plant Pick Fernleaf Beech 60 50 No 6 N/A Ginkgo biloba 'Magyar' 50 25 No 6 N/A more upright and narrow than 'Autumn Gold’ Magyar Ginkgo Gymnocladus dioicus 'Espresso' 50 35 No 6 N/A Very coarse branches - extremely large bi-pinnately Espresso Kentucky Coffee compound leaves Liriodendron tulipifera Fast-growing tree – can get very large in open conditions Tulip Tree 60 30 No 8 N/A Metasequoia glyptostroboides Fast growing deciduous conifer. Great Plant Pick Dawn Redwood 50 25 No 6 N/A Quercus bicolor Interesting shaggy peeling bark Swamp White Oak 60 45 No 8 N/A Quercus coccinea Best oak for fall color Scarlet Oak 60 40 No 6 N/A Quercus garryana Native to Pacific Northwest. Great Plant Pick Oregon Oak 50 40 No 8 N/A Quercus imbricaria Nice summer foliage - leaves can persist throughout the Shingle Oak 60 50 No 6 N/A winter Quercus muhlenbergii coarsely toothed leaf Chestnut Oak 60 50 No 6 N/A Quercus robur Large, sturdy tree. Acorns do not need dormant cold English Oak 60 40 No 8 N/A period to germinate, so can be invasive. Quercus rubra Fast growing oak – large tree that needs space Red Oak 60 45 No 8 N/A Quercus velutina More drought tolerant than red oak Black Oak 60 50 No 8 N/A Taxodium distichum A deciduous conifer, broadly spreading when mature – Bald Cypress 55 35 No 8 N/A columnar when young. Great Plant Pick Ulmus ‘Homestead’ Complex hybrid - close in form to American elm - Homestead Elm 60 35 No 6 N/A Resistant to Dutch elm disease City of Shoreline | Street Tree List, March 1, 2019 3 Right‐of‐Way (ROW) Street Tree List Large Trees – continued Mature Under Fall Spread Min Strip Flower Scientific & Common Name Height Wires/View Color Comments (ft) Width (ft) Color (ft) Covenants Ulmus ‘Frontier’ Resistant to Dutch elm disease Frontier Elm 50 35 No 6 N/A Attractive exfoliating bark provides Winter appeal. Dark Zelkova serrata ‘Greenvase’ green leaves turn orange-red and purple in Fall. Great Green Vase Zelkova 45 40 No 6 N/A Plant Pick Zelkova serrata ‘Village Green’ Green Vase, Mussichino and Halka are improved forms. Village Green Zelkova 40 40 No 6 N/A Great Plant Pick Medium / Large Trees Mature Under Fall Spread Min Strip Flower Scientific & Common Name Height Wires/View Color Comments (ft) Width (ft) Color (ft) Covenants Acer campestre Contrary to its name, this is not a small tree – nice overall Hedge Maple 50 30 No 5 N/A shape and structure Acer campestre ‘Evelyn’ More upright branching than the species. Queen Elizabeth Hedge Maple 40 30 No 5 N/A Acer freemanii 'Autumn Blaze' Cross between red and silver maple – fast growing with Autumn Blaze Maple 50 40 No 6 N/A good fall color Acer miyabei 'Morton' Similar to, but faster growing and larger than Hedge State Street Maple 40 30 No 6 N/A maple Acer pseudoplatanus ‘Atropurpureum’ Leaves green on top purple underneath. Spaethii Maple 40 30 No 5 N/A Aesculus x carnea ‘Briottii’ Resists heat and drought better than other Red Horsechestnut 30 35 No 6 horsechestnuts White bark makes for good winter interest – best for Betula jacquemontii aphid resistance, but does have issues with Bronze Birch Jacquemontii Birch 40 30 No 5 N/A Borer Ginko biloba ‘Autumn Gold’ Narrow when young Autumn Gold Ginkgo 45 35 No 6 N/A City of Shoreline | Street Tree List, March 1, 2019 4 Right‐of‐Way (ROW) Street Tree List Medium / Large Trees ‐ continued Mature Under Fall Spread Min Strip Flower Scientific & Common Name Height Wires/View Color Comments (ft) Width (ft) Color (ft) Covenants Nothofagus antarctica Rugged twisted branching and petite foliage – difficult to Antarctic Beech 50 35 No 5 N/A find in the nursery trade Tilia americana ‘Redmond’ Pyramidal, needs extra water when young Redmond Linden 50 30 No 8 N/A Tilia cordata ‘Greenspire’ Symmetrical, pyramidal form – sometimes has structural Greenspire Linden 40 30 No 6 N/A issues due to tight branch attachements Ulmus parvifolia ‘Emer II’ Exfoliating bark and nice fall color – Resistant to Dutch Allee Elm 45 35 No 5 N/A Elm Disease Medium Columnar Trees Mature Under Fall Spread Min Strip Flower Scientific & Common Name Height Wires/View Color Comments (ft) Width (ft) Color (ft) Covenants Carpinus betulus ‘Fastigiata’ Broadens when older. Great Plant Pick Pyramidal European Hornbeam 40 15 No 5 N/A Fagus sylvatica ‘Dawyck Purple’ Purple foliage. Dawyck Purple Beech 40 12 No 6 N/A Liriodendron tulipifera 'Fastigiatum' Good next to buildings – can have problems with tight Columnar Tulip Tree 40 10 No 6 branch angles. Great Plant Pick Malus ‘Tschonoskii’ Sparse green fruit, pyramidal Tschonoskii Crabapple 30 15 Yes 5 Oxydendron arboreum Consistent and brilliant fall color. Great Plant Pick Sourwood 35 12 No 5 Narrow tree with better branch angles and form than the Pyrus calleryana ‘Cambridge'’ species – brittle limbs may be a problem with ice or wet Cambridge Pear 40 15 No 5 snow City of Shoreline | Street Tree List, March 1, 2019 5 Right‐of‐Way (ROW) Street Tree List Medium Trees Min Fall Mature Under Spread Strip Flower Color Scientific & Common Name Height Wires/View Comments (ft) Width Color (ft) Covenants (ft) Acer grandidentatum ‘Schmidt’ 25 20 Yes 5 N/A Intense red fall color - Limited availability in nursery trade Rocky Mt. Glow Maple Acer truncatum x A. platanoides ‘Keithsform 35 25 No 5 N/A Reliable fall color - nice reddish orange Norwegian Sunset Maple Acer truncatum x A. platanoides 'Warrensred‘ 30 25 Yes 5 N/A Limited use under higher wires Pacific Sunset Maple Betula albosinenesis var septentrionalis 40 35 No 5 N/A White and pink peeling bark. Great Plant Pick Chinese Red Birch Carpinus caroliniana Outstanding fall color (variable – yellow, orange, red) – nice 25 20 Yes 5 N/A American Hornbeam little tree. Great Plant Pick Cladrastis kentukea White flowers in spring, resembling wisteria flower – blooms 40 40 No 5 Yellowwood profusely only every 2 to 4 years – yellow/gold fall color Cornus controversa 'June Snow' Frothy, 6-inch clusters of white flowers in June – Great Plant 40 30 No 5 Giant Dogwood Pick Crataegus crus-galli ‘Inermis’ 25 30 Yes 5 Red persistent fruit Thornless Cockspur Hawthorne Cornus 'Eddie's White Wonder' 30 20 Yes 5 A hybrid of C.