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141.05  STREET TREE CATEGORIES.
The following is a list of street trees by category which may be planted in street parkings.  Street trees not listed must receive prior planting approval from the Building Official.
 
“A” Category (Parking 9 feet to 14 feet)
Common Name
Minimum Spacing
Height
Spread
Amur Maple (tree form only)
25
20
20
Japanese Tree Lilac
25
15
10
Flowering Crabs:
 
 
 
Radiant
25
25
25
Vanguard
25
25
25
Snowdrift
25
25
25
Zumi
25
25
25
Marshalls Ovama (Columnar)
25
25
25
Pink Spires
25
25
25
Columnar Flowering Crab - Sargents
25
25
25
Purple Leaf Plum
25
15
15
Globe Norway Maple
25
20
20
Washington Hawthorn
25
25
25
Scarlet Hawthorn
25
25
25
Bradford Pear
25
20
20
White Fringe Tree
25
25
25
Corkscrew Willow
25
25
25
Euonymus Bungeana (North Platte)
25
25
25
Pagoda Dogwood
25
25
25
Bladdernut
25
20
20
Note:  Where utility wires are conflicting, only trees in Category “A” may be planted.
 
 
“B” Category (Parking 14 feet to 20 feet)
Common Name
Minimum Spacing
Height
Spread
Columnar Norway Maple
40
50
25
Columnar Sugar Maple
40
35
10
Pyramidal American Linden
40
50
35
Littleleaf European Linden
40
50
35
Greenspire Linden
40
50
35
Christine Buisman Elm
40
45
35
Mountain Ash
25
30
15
Cork Ash
40
50
45
Maple, Sycamore
40
35
30
Maple, Red
40
35
30
Hesse Ash
40
35
30
Shubert Chokecherry
40
35
30
River Birch (single stem only)
40
50
35
Blue Ash (Quadrangulate)
40
40
35
 
 
“C” Category (Parking 20 feet and Over)
Common Name
Minimum Spacing
Height
Spread
Maples:
 
 
 
Black Maple
60
75
50
Schwedler Maple
60
50
30
Sugar Maple
60
75
50
Crimson King
60
50
40
Fashems Black
60
50
40
Royal Red
60
50
40
Norway
60
50
40
Oak:
 
 
 
White Swamp Oak
60
75
50
Red Oak
60
75
50
 
 
“C” Category (Parking 20 feet and Over) (continued)
Common Name
Minimum Spacing
Height
Spread
Ash:
 
 
 
Summit
60
50
40
Autumn Purple
60
50
40
White
60
80
50
Green
60
60
40
Marshall Seedless
60
50
40
Others:
 
 
 
Maidenhair Tree (Ginkgo Male)
40
50
40
Hackberry
40
50
40
Linden
40
50
40
Kentucky Coffeetree
60
60
50
London Plane Tree
60
60
50
White Beech
50
50
50