This list was provided by the City of Pasadena. Please note that this information is subject to change.
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| Genus/Species | Common Name | Protection Size |
|---|---|---|
| Acer macrophyllum | Bigleaf maple | 20″ |
| Acer buergeranum | Trident maple | 12″ |
| Acer palmantum | Japanese maple | 12″ |
| Aesculus x camea | Red horse chestnut | 12″ |
| Aesculus x hippocastamum | Horse chestnut tree | 12″ |
| Agonis flexuosa | Australian peppermint | 12″ |
| Albizia julibrissin | Mimosa silk tree | 20″ |
| Angophora costata | Gum myrtle | 35″ |
| Araucaria heterophylla | Star pine | 15″ |
| Arbutus menziessii | Pacific madrone | 12″ |
| Arbutus unedo | Strawberry tree | 12″ |
| Archontophoenix cunninghamiana | King palm | 12″ |
| Bauhinia candida | White orchid tree | 18″ |
| Bauhinia variegata | Variegated orchid tree | 18″ |
| Bauhinia blakeana | Hong Kong orchid | 18″ |
| Brachychiton acerifolius | Flame tree | 25″ |
| Brachychiton discolor | Hat tree | 25″ |
| Brahea armata | Mexican blue palm | 10′ |
| Brahea edulis | Guadalupe palm | 10′ |
| Butia capitata | Pindo palm | 10′ |
| Callistemon citrinus | Lemon bottlebrush | 20″ |
| Calocedrus decurrens | Incense cedar | 12″ |
| Calodendrum capense | Cape chestnut | 12″ |
| Camellia sp. | Camellia | 8″ |
| Carya illinoensis | Pecan | 20″ |
| Casuarina cunninghamiana | River she-oak | 25″ |
| Casuarina equisetifolia | Horsetail tree | 25″ |
| Casuarina stricta | Beefwood | 25″ |
| Cassia excelsa | Crown of Gold | 12″ |
| Castanospermum australe | Australian chestnut | 20″ |
| Catalpa speciosa | Western catalpa | 15″ |
| Cedrus atlantica | Atlas cedar | 20″ |
| Cedrus deodora | Deodar cedar | 20″ |
| Cercidium microphyllum | Little leaf Palo Verde | 12″ |
| Cercidium floridum | Blue Palo Verde | 15″ |
| Cercis canadensis | Eastern redbud | 8″ |
| Cercis occidentalis | Western redbud | 8″ |
| Chamaerops humilis | European fan palm | 20″ |
| Chilopsis linearis ‘AZT Bi-Color’ | Desert willow | 10″ |
| Chilopsis linearis ‘AZT Desert Amethyst’ | Desert willow | 10″ |
| Chionanthus retusus | Chinese fringe tree | 10″ |
| Chitalpa tashkentensis | Chitalapa | 12″ |
| Chorisia insignis | White floss silk | 25″ |
| Chorisia speciosa | Floss silk | 25″ |
| Cinnamomum camphora | Camphor | 18″ |
| Dombeya cacumium | Dombeya | 20″ |
| Dracaena draco | Dragon tree | 12″ |
| Erythrina bidwillii | Coral bean tree | 12″ |
| Erythrina caffra | Coral tree | 18″ |
| Erythrina coralloides | Naked coral tree | 18″ |
| Erythrina crista-galli | Cockspur coral tree | 12″ |
| Eucalyptus nicholii | Willow peppermint | 20″ |
| Eucalyptus citridoria | Lemon scented gum | 25″ |
| Eucalyptus cladocalyx | Sugar gum | 25″ |
| Eucalyptus deglupta | Mindanao gum | 20″ |
| Eucalyptus ficifolia | Red flowering gum | 25″ |
| Eucalyptus leucoxylon | White ironbark | 25″ |
| Eucalyptus parvifolia | Small-leaved gum | 25″ |
| Eucalyptus sideroxylon | Red ironbark | 20″ |
| Ficus macrophylla | Morton Bay fig | 30″ |
| Ficus microcarpa’Nitida’ | Indian laurel fig | 30″ |
| Fraxinus oxycarpa | Raywood ash | 30″ |
| Fremontodendron californicum | Flannel bush | 12″ |
| Geijera parviflora | Australian willow | 12″ |
| Ginko biloba, male | Maidenhair tree | 18″ |
| Grevillea robusta | Silk oak | 20″ |
| Heteromeles arbutifolia | California holly or Toyo | 10″ |
| Jacaranda mimosifolia | Jacaranda | 12″ |
| Juglans nigra | Black walnut | 25″ |
| Juglans regia | English walnut | 25″ |
| Koelreuteria bipinnata | Chinese flame tree | 15″ |
| Lagerstroemia indica | Crepe myrtle | 12″ |
| Leptospermum laevigatum | Australian tea tree | 12″ |
| Liquadambar styraciflua | American sweet gum | 20″ |
| Liriodendron tulipifera | Tulip tree | 15″ |
| Livistona australis | Australian cabbage palm | 15″ |
| Livistona chinensis | Chinese fan palm | 15″ |
| Magnolia grandiflora | Southern magnolia | 20″ |
| Melaleuca linariifolia | Flax leafed paperbark | 25″ |
| Melaleuca quinquenervia | Cajeput tree | 25″ |
| Melia azedarach | Chinaberry | 18″ |
| Michelia doltsopa | No common name | 12″ |
| Olea europaea | Olive | 15″ |
| Phoenix canariensis | Canary Island date palm | 20′ |
| Phoenix dactylifera | Date palm | 20′ |
| Phoenix reclinata | Senegal date palm | 10′ |
| Pinus brutia | Calabrian pine | 20″ |
| Pinus coulteri | Coulter pine | 20″ |
| Pinus radiata | Monterey pine | 20″ |
| Pinus canariensis | Canary Island pine | 25″ |
| Pinus halepensis | Aleppo pine | 20″ |
| Pinus pinea | Italian stone pine | 25″ |
| Pinus torreyana | Torrey pine | 25″ |
| Pittosporum undulatum | Victorian box | 15″ |
| Platanus acerifolia | London plane tree | 15″ |
| Podocarpus gracilior | Fern pine | 20″ |
| Pseudotsuga menziesii | Douglas fir | 25″ |
| Quercus douglasii | Blue oak | 12″ |
| Quercus kelloggii | California black oak | 12″ |
| Quercus macrocarpa | Burr oak | 12″ |
| Quercus robur | English oak | 12″ |
| Quercus rubra | Northern red oak | 12″ |
| Quercus suber | Cork oak | 12″ |
| Quercus virginiana | Live oak | 12″ |
| Sambucus mexicana | Mexican elderberry | 15″ |
| Schinus molle | California pepper | 25″ |
| Sequoia sempervirens | Redwood | 25″ |
| Stenocarpus sinuatus | Firewheel tree | 12″ |
| Syzygium paniculata | Eugenia or brush cherry | 12″ |
| Tabebuia chrysotricha | Trumpet tree | 10″ |
| Tabebuia avellanedae | Trumpet tree | 10″ |
| Tabebuia impetiginosa or ipe | Pink trumpet tree | 10″ |
| Tristania conferta | Brisbane box | 20″ |
| Ulmus parvifolia | Chinese elm | 20″ |
| Washingtonia filifera | California fan palm | 35′ |
| Zelkova serrata | Sawleaf zelkova | 15″ |
| NATIVE PROTECTED TREES | ||
| Aesculus californica | California buckeye | 8″ |
| Alnus rhobifolia | White alder | 8″ |
| Juglans californica | California black walnut | 8″ |
| Platanus racemosa | California sycamore | 8″ |
| Populus fremontii | Western cottonwood | 8″ |
| Populus trichocarpa | Black cottonwood | 8″ |
| Quercus agrifolia | Coast live oak | 8″ |
| Quercus berberidifolia | Scrub oak | 8″ |
| Quercus chrysolepis | Canyon live oak | 8″ |
| Quercus engelmannii | Mesa oak, Engelmann | 8″ |
| Quercus lobata | Valley oak | 8″ |
| Salix lasiolepis | Arroyo willow | 8″ |
| Umbellularia californica | California laurel | 8″ |