On October 6, 2021, the 175th anniversary of the birth of George Westinghouse, Westinghouse Park was certified as a Level 1 Arboretum by ArbNet. As part of this process, the City of Pittsburgh Department of Forestry tagged the 33 trees shown on the map and key below. Note the two new trees at #33, both Brackens Brown Beauty Magnolias, that were planted on October 6, to celebrate the arboretum and honor George and Marguerite Westinghouse. Two Yellowwood trees planted for Arbor Day 2022 are not shown.
Westinghouse Park has more than 175 trees, representing 38 individual species. For a key and map that can help identify any tree in the Arboretum, see below.

The following lists and map based on the park’s 2020 tree survey can help you identify any of the Arboretum’s trees.
Westinghouse Park Arboretum Tree Key
* denotes trees of historic significance
Primary Groupings
Grouping 1 – Thomas Boulevard Street trees (Yellow Buckeye and Horse chestnut: trees 002 – 020)
Grouping 2 – Inside Park along Thomas Boulevard (Yoshino Cherry: trees 022 – 033)
Grouping 3 – Maple grove at corner of Thomas and Lang (Red Maple: trees 035, 040, 042, 062, 081), (Sugar Maple: trees 038, 043, 57, 056, 057, 069, 074), (Norway Maple: trees 059 and 076), (Freeman Maple: trees 012,013, 015, 017, 018 and 019)
Grouping 4 – Flanking the historic main drive of Solitude – (Mostly Freeman Maple: trees 112, 113, 115, 117,118, and 119) with (Cork: tree 114)
Grouping 5 – Along the rear of park (mostly Horsechestnut: 124 – 126, 130, 136 – 138, 140, 148, 149 and 153)
Grouping 6 – At the park entrance where McPherson meets Murtland (Pinoaks: trees 104, 105, 175 – 177*)
Individual species represented
- Sweetbay Magnolia – (001 and 021)
- Red Oak – (034, 036, 039, 041)
- Sawtooth Oak – (060, 067*)
- Chinkapin Oak – (078, 079)
- Swamp White Oak – (044)
- Pin Oak – (82, 083, 084, *096)
- Corktree – (061, 110, 114)
- Zelkovia – (064, 065, 066)
- Tuliptree – (070, 071, 103, 107, 177)
- London Plane – (072, 161, 162, 165)
- European Hornbeam – (075)
- Cedar of Lebanon – (086)
- Alaska Cedar – (100, 120)
- American Linden – (088)
- American Sweetgum – (092, 106, 166, 167)
- Gingko – (095, 096 *)
- Japanese Pagoda Tree – (097)
- Dawn Redwood – (101,102, 171, 172, 173)
- Loblolly Pine – (121,122,123)
- Crabapple – (127, 128)
- Elm – (139, 141, 150)
- Katsura – (163, 164)
- Pear – (129)
- Serviceberry – (073)
- Horse Chestnut – (007, 008, 009, 124, 125, 126, 130, 136, 137, 138, 140, 142, 148 149, 153, and 174)
- Yellow Buckeye – (002, 003 004, 005, 006, 010, 011, 012, 014, 015, 016, 017, 018, 019, 0202, and 144)
- Ohio Buckeye (013)
- Yoshino Cherry – (022, 023, 024, 025, 026, 027, 028, 029, 030, 031, 032, and 033)
- Flowering Cherry – (089)
- Red Maple – (035, 040, 042, 055, 062, and 079)
- Silver Maple – (038, 043, 57, 056, 057, 069, 074)
- Sycamore Maple – (093)
- Norway Maple (059, 076, 077 080, 087, 089, 091, 099, 011, 116, 131, 155, 156, 158, 160, and 170)
- Freeman Maple – (012,013, 015, 017, 018, 019, 112, 113, 115, 117,118, 119)
- Sugar Maple – (038, 043, 056, 057, 069, 074, 085, 090, 098, 108, 109, 178, 179)
- Bracken Brown Beauty Magnolia – (133 and 134)
- Yellow Wood – (135 and 136 not shown)

Key for Westinghouse Park Tree Census based on above map.
Ignore the U that precedes each number on the map.
TREE ID | COMMON NAME | BOTANICAL NAME |
001 | Magnolia, Sweetbay | Magnolia virginiana |
002 | Buckeye, Yellow | Aesculus flava |
003 | Buckeye, Yellow | Aesculus flava |
004 | Buckeye, Yellow | Aesculus flava |
005 | Buckeye, Yellow | Aesculus flava |
006 | Buckeye, Yellow | Aesculus flava |
007 | Horsechestnut | Aesculus hippocastanum |
008 | Horsechestnut | Aesculus hippocastanum |
009 | Horsechestnut | Aesculus hippocastanum |
010 | Buckeye, Yellow | Aesculus flava |
011 | Buckeye, Yellow | Aesculus flava |
012 | Buckeye, Yellow | Aesculus flava |
013 | Buckeye, Ohio | Aesculus glabra |
014 | Buckeye, Yellow | Aesculus flava |
015 | Buckeye, Yellow | Aesculus flava |
016 | Buckeye, Yellow | Aesculus flava |
017 | Buckeye, Yellow | Aesculus flava |
018 | Buckeye, Yellow | Aesculus flava |
019 | Buckeye, Yellow | Aesculus flava |
020 | Buckeye, Yellow | Aesculus flava |
021 | Magnolia, Sweetbay | Magnolia virginiana |
022 | Cherry, Yoshino | Prunus yedoensis |
023 | Cherry, Yoshino | Prunus yedoensis |
024 | Cherry, Yoshino | Prunus yedoensis |
025 | Cherry, Yoshino | Prunus yedoensis |
026 | Cherry, Yoshino | Prunus yedoensis |
027 | Cherry, Yoshino | Prunus yedoensis |
028 | Cherry, Yoshino | Prunus yedoensis |
029 | Cherry, Yoshino | Prunus yedoensis |
030 | Cherry, Yoshino | Prunus yedoensis |
031 | Cherry, Yoshino | Prunus yedoensis |
032 | Cherry, Yoshino | Prunus yedoensis |
033 | Cherry, Yoshino | Prunus yedoensis |
034 | Oak, Red | Quercus rubra |
035 | Maple, Red | Acer rubrum |
036 | Oak, Red | Quercus rubra |
038 | Maple, Sugar | Acer saccharum |
039 | Oak, Red | Quercus rubra |
040 | Maple, Red | Acer rubrum |
041 | Oak, Red | Quercus rubra |
042 | Maple, Red | Acer rubrum |
043 | Maple, Sugar | Acer saccharum |
044 | Oak, Swamp White | Quercus bicolor |
055 | Maple, Red | Acer rubrum |
056 | Maple, Sugar | Acer saccharum |
057 | Maple, Sugar | Acer saccharum |
058 | Corktree | Phellodendron amurense |
059 | Maple, Norway | Acer platanoides |
060 | Oak, Sawtooth | Quercus acutissima |
061 | Corktree | Phellodendron amurense |
062 | Maple, Red | Acer rubrum |
063 | Crabapple | Malus species |
064 | Zelkova | Zelkova serrata |
065 | Zelkova | Zelkova serrata |
066 | Zelkova | Zelkova serrata |
067 | Oak, Sawtooth | Quercus acutissima |
068 | Crabapple | Malus species |
069 | Maple, Sugar | Acer saccharum |
070 | Tuliptree | Liriodendron tulipifera |
071 | Tuliptree | Liriodendron tulipifera |
072 | Plane, London | Platanus x acerifolia |
073 | Serviceberry | Amelanchier laevis |
074 | Maple, Sugar | Acer saccharum |
075 | Hornbeam, European | Carpinus betula |
076 | Maple, Norway | Acer platanoides |
077 | Maple, Norway | Acer platanoides |
078 | Oak, Chinkapin | Quercus muehlenbergii |
079 | Oak, Chinkapin | Quercus muehlenbergii |
080 | Maple, Norway | Acer platanoides |
081 | Maple, Silver | Acer saccharinum |
082 | Oak, Pin | Quercus palustris |
083 | Oak, Pin | Quercus palustris |
084 | Oak, Pin | Quercus palustris |
085 | Maple, Sugar | Acer saccharum |
086 | Cedar of Lebanon | Cedrus libani |
087 | Maple, Norway | Acer platanoides |
088 | Linden, American | Tilia americana |
089 | Cherry, Flowering | Prunus species |
090 | Maple, Sugar | Acer saccharum |
091 | Maple, Norway | Acer platanoides |
092 | Sweetgum | Liquidambar styraciflua |
093 | Maple, Sycamore | Acer pseudoplatanus |
094 | Ginkgo | Ginkgo biloba |
095 | Ginkgo | Ginkgo biloba |
096 | Oak, Pin | Quercus palustris |
097 | Pagoda Tree | Styphnolobium japonicum |
098 | Maple, Sugar | Acer saccharum |
099 | Maple, Norway | Acer platanoides |
100 | Cedar, Alaska | Cupressus nootkatensis |
101 | Redwood, Dawn | Metasequoia glyptostroboides |
102 | Redwood, Dawn | Metasequoia glyptostroboides |
103 | Tuliptree | Liriodendron tulipifera |
104 | Oak, Pin | Quercus palustris |
105 | Oak, Pin | Quercus palustris |
106 | Sweetgum | Liquidambar styraciflua |
107 | Tuliptree | Liriodendron tulipifera |
108 | Maple, Sugar | Acer saccharum |
109 | Maple, Sugar | Acer saccharum |
110 | Corktree | Phellodendron amurense |
111 | Maple, Norway | Acer platanoides |
112 | Maple, Freeman | Acer x freemanii |
113 | Maple, Freeman | Acer x freemanii |
114 | Corktree | Phellodendron amurense |
115 | Maple, Freeman | Acer x freemanii |
116 | Maple, Norway | Acer platanoides |
117 | Maple, Freeman | Acer x freemanii |
118 | Maple, Freeman | Acer x freemanii |
119 | Maple, Freeman | Acer x freemanii |
120 | Cedar, Alaska | Cupressus nootkatensis |
121 | Pine, Loblolly | Pinus taeda |
122 | Pine, Loblolly | Pinus taeda |
123 | Pine, Loblolly | Pinus taeda |
124 | Horsechestnut | Aesculus hippocastanum |
125 | Horsechestnut | Aesculus hippocastanum |
126 | Horsechestnut | Aesculus hippocastanum |
127 | Crabapple | Malus species |
128 | Crabapple | Malus species |
129 | Pear | Pyrus communis |
130 | Horsechestnut | Aesculus hippocastanum |
131 | Maple, Norway | Acer platanoides |
132 | Oak, Pin | Quercus palustris |
133 | Oak, Pin | Quercus palustris |
134 | Oak, Pin | Quercus palustris |
135 | Oak, Pin | Quercus palustris |
136 | Horsechestnut | Aesculus hippocastanum |
137 | Horsechestnut | Aesculus hippocastanum |
138 | Horsechestnut | Aesculus hippocastanum |
139 | Elm | Ulmus sp |
140 | Horsechestnut | Aesculus hippocastanum |
141 | Elm | Ulmus sp |
142 | Horsechestnut | Aesculus hippocastanum |
143 | Oak, Pin | Quercus palustris |
144 | Buckeye, Yellow | Aesculus flava |
145 | Oak, Pin | Quercus palustris |
146 | Oak, Pin | Quercus palustris |
147 | Oak, Pin | Quercus palustris |
148 | Horsechestnut | Aesculus hippocastanum |
149 | Horsechestnut | Aesculus hippocastanum |
150 | Elm | Ulmus sp |
151 | Oak, Pin | Quercus palustris |
152 | Oak, Pin | Quercus palustris |
153 | Horsechestnut | Aesculus hippocastanum |
154 | Oak, Pin | Quercus palustris |
155 | Maple, Norway | Acer platanoides |
156 | Maple, Norway | Acer platanoides |
157 | Oak, Pin | Quercus palustris |
158 | Maple, Norway | Acer platanoides |
159 | Maple, Norway | Acer platanoides |
160 | Maple, Norway | Acer platanoides |
161 | Plane, London | Platanus x acerifolia |
162 | Plane, London | Platanus x acerifolia |
163 | Katsura | Cercidiphyllum japonicum |
164 | Katsura | Cercidiphyllum japonicum |
165 | Plane, London | Platanus x acerifolia |
166 | Sweetgum | Liquidambar styraciflua |
167 | Sweetgum | Liquidambar styraciflua |
168 | Tuliptree | Liriodendron tulipifera |
169 | Oak, Pin | Quercus palustris |
170 | Maple, Norway | Acer platanoides |
171 | Redwood, Dawn | Metasequoia glyptostroboides |
172 | Redwood, Dawn | Metasequoia glyptostroboides |
173 | Redwood, Dawn | Metasequoia glyptostroboides |
174 | Horsechestnut | Aesculus hippocastanum |
175 | Oak, Pin | Quercus palustris |
176 | Oak, Pin | Quercus palustris |
177 | Tuliptree | Liriodendron tulipifera |
177 | Oak, Pin | Quercus palustris |
178 | Maple, Sugar | Acer saccharum |
179 | Maple, Red | Acer rubrum |
180 | Bracken’s Brown Beauty | Magnolia Grandiflora |
181 | Bracken’s Brown Beauty | Magnolia Grandiflora |