Supplemental Summer Irrigation Winter Irrigation Irrigation Botanical Name Common Name recommendation recommendation Requirements Acacia baileyana BAILEY ACACIA None Young trees only None

Acacia decurrens GREEN WATTLE None Young trees only None

Acacia melanoxylon BLACK ACACIA None Young trees only None

Acacia spp. ACACIA None Young trees only None

Acer palmatum JAPANESE MAPLE Occasional flooding Moderate None

Acer saccharinum SILVER MAPLE Moderate Minimal Moderate – Low

Agonis flexuosa PEPPERMINT TREE Minimal Minimal Minimal

Albizia distachya PLUME ALBIZIA Minimal - None Minimal None

Albizia julibrissin SILK TREE Moderate – Minimal None Minimal

Alnus cordata ITALIAN ALDER Regular Regular Regular

Alnus rhombifolia WHITE ALDER Regular Regular Regular

Araucaria bidwillii BUNYA-BUNYA Regular Regular Regular

Araucaria columnaris STAR PINE Regular Regular Regular

Araucaria heterophylla NORFOLK ISLAND PINE Regular Regular Regular

Arbutus unedo STRAWBERRY TREE Moderate – Minimal Moderate – Minimal Minimal

Archontophoenix alexandrae ALEXANDRA PALM Moderate – Minimal Moderate – Minimal Minimal Archontophoenix KING PALM Moderate – Minimal Moderate – Minimal Minimal cunninghamiana Bauhinia blakeana HONG KONG ORCHID TREE Moderate – Minimal Moderate – Minimal Minimal

Bauhinia variegata PURPLE ORCHID TREE Moderate – Minimal Moderate – Minimal Minimal

Betula pendula EUROPEAN WHITE BIRCH Regular Regular Regular

Betula spp. BIRCH Regular Regular Regular

Brachychiton populneus BOTTLE TREE Moderate – Minimal Minimal Minimal

Brahea armata MEXICAN BLUE PALM Minimal Minimal Minimal

Brahea edulis GUADALUPE PALM Minimal Minimal Minimal

Broussonetia papyrifera PAPER MULBERRY Moderate – Minimal Moderate – Minimal None

Butia capitata PINDO PALM Regular Regular Regular

Calliandra tweedii TRINIDAD FLAME BUSH Minimal - None Minimal None

Callistemon citrinus LEMON BOTTLEBRUSH Minimal None None

Callistemon citrinus 'Violaceus' PINK BOTTLEBRUSH Moderate Moderate Moderate

Callistemon viminalis WEEPING BOTTLEBRUSH Moderate Moderate Moderate

Calocedrus decurrens INCENSE CEDAR Minimal - None Minimal None

Calodendrum capense CAPE CHESTNUT Regular Regular Regular

Casimiroa edulis WHITE SAPOTE Regular Regular Regular

Cassia excelsa CROWN OF GOLD TREE Moderate – Minimal Moderate – Minimal None

Cassia leptophylla GOLD MEDALLION TREE Moderate – Minimal Moderate – Minimal None Castanea spp. CHESTNUT Moderate – Minimal Moderate – Minimal Moderate – Low

Casuarina cunninghamiana RIVER SHE-OAK Minimal Young trees only None

Casuarina stricta DROOPING SHE-OAK Minimal Young trees only None

Cedrus atlantica ATLAS CEDAR Minimal None None

Cedrus atlantica 'Pendula' CEDAR WEEPING Minimal Young trees only None

Cedrus deodara DEODAR CEDAR Minimal Young trees only None

Cedrus spp. CEDAR Minimal Young trees only None

Celtis spp. HACKBERRY Moderate – Minimal Moderate – Minimal None

Ceratonia siliqua CAROB Minimal None None

Cercis canadensis EASTERN REDBUD Minimal None None

Cercis occidentalis WESTERN REDBUD Minimal None None

Chamaerops humilis MEDITERRANEAN FAN PALM Moderate Moderate None

Chionanthus retusus CHINESE FRINGE TREE Regular Regular Regular

Chorisia speciosa SILK-FLOSS TREE Moderate – Minimal Moderate – Minimal Minimal

Cinnamomum camphora CAMPHOR TREE Moderate – Minimal Young trees only None

Citrus limon LEMON Regular Regular Regular

Citrus sinensis ORANGE Regular Regular Regular

Cordyline australis DRACAENA Regular Regular Regular

Cotoneaster lacteus RED CLUSTERBERRY Moderate – Minimal Moderate – Minimal Minimal

Cryptomeria japonica JAPANESE CEDAR Regular Regular Regular

Cupaniopsis anacardioides CARROTWOOD Minimal None None

Cupressocyparis leylandii LEYLAND CYPRESS Regular Regular Regular

Cupressus macrocarpa MONTEREY CYPRESS Moderate – Minimal None Minimal

Cupressus sempervirens ITALIAN CYPRESS Minimal Minimal Minimal

Cupressus spp. CYPRESS Minimal Minimal Minimal

Diospyros virginiana AMERICAN PERSIMMON Regular Regular Regular

Dodonaea viscosa HOPSEED Moderate – Minimal None Minimal

Dracaena draco DRAGON TREE Moderate Moderate Moderate

Duranta repens SKY FLOWER Regular Regular Regular

Eriobotrya deflexa BRONZE LOQUAT Regular Regular Regular

Eriobotrya japonica EDIBLE LOQUAT Regular Regular Regular

Erythrina bidwillii BIDWILLS CORAL TREE Regular Regular Regular

Erythrina caffra KAFFIRBOOM CORAL TREE Regular Regular Regular

Erythrina coralloides NAKED CORAL TREE Regular Regular Regular

Erythrina crista-galli COCKSPUR CORAL TREE Regular Regular Regular

Erythrina spp. CORAL TREE Regular Regular Regular

Eucalyptus camaldulensis RED GUM Minimal None Minimal Eucalyptus cinerea ASH GUM Minimal None Minimal

Eucalyptus citriodora LEMON-SCENTED GUM Minimal None Minimal

Eucalyptus cladocalyx SUGAR GUM Minimal None Minimal

Eucalyptus cornuta YATE Minimal None Minimal

Eucalyptus ficifolia RED FLOWERING GUM Minimal None Minimal

Eucalyptus globulus BLUE GUM Minimal None Minimal

Eucalyptus grandis FLOODED GUM Minimal None Minimal

Eucalyptus leucoxylon WHITE IRONBARK Minimal None Minimal

Eucalyptus maculata SPOTTED GUM Minimal None Minimal NICHOL'S WILLOW LEAFED Eucalyptus nicholii Minimal None Minimal PEPPERMINT Eucalyptus polyanthemos SILVER DOLLAR GUM Minimal None Minimal

Eucalyptus rudis DESERT GUM Minimal None Minimal

Eucalyptus sideroxylon RED IRONBARK Minimal None Minimal

Eucalyptus spp. EUCALYPTUS Minimal None Minimal

Eucalyptus torquata CORAL GUM Minimal None Minimal

Eucalyptus viminalis MANNA GUM Minimal None Minimal

Euphorbia cotinifolia CARIBBEAN COPPER TREE Minimal None Minimal

Feijoa sellowiana PINEAPPLE GUAVA Regular Regular Regular

Ficus 'Alii' FICUS ALII Regular Regular Regular

Ficus benjamina WEEPING FIG Regular Regular Regular

Ficus carica EDIBLE FIG Regular Regular Regular

Ficus elastica RUBBER TREE Regular Regular Regular

Ficus macrophylla MORETON BAY FIG Regular Regular Regular

Ficus microcarpa WEEPING INDIAN LAUREL FIG Regular Regular Regular GREEN GEM INDIAN LAUREL Ficus microcarpa 'Green Gem' Regular Regular Regular FIG Ficus microcarpa 'Nitida' INDIAN LAUREL FIG Regular Regular Regular

Ficus rubiginosa RUSTY LEAF FIG Regular Regular Regular

Ficus spp. FIG Regular Regular Regular

Ficus watkinsiana WATKINS FIG Regular Regular Regular

Fraxinus uhdei SHAMEL ASH Moderate – Minimal None Minimal

Fraxinus uhdei 'Tomlinson' TOMLINSON ASH Moderate – Minimal None Minimal

Fraxinus velutina ARIZONA ASH Moderate – Minimal None Minimal

Fraxinus velutina 'Dr Pironne' ASH ARIZONA Moderate – Minimal None Minimal

Fraxinus velutina 'Modesto' MODESTO ASH Moderate – Minimal None Minimal

Geijera parviflora AUSTRALIAN WILLOW Moderate – Minimal None Minimal

Ginkgo biloba MAIDENHAIR TREE Moderate – Minimal Moderate – Minimal Moderate – Low

Ginkgo biloba 'Autumn Gold' GINKGO AUTUMN GOLD Moderate – Minimal Moderate – Minimal Moderate – Low Grevillea robusta SILK OAK Minimal None Minimal

Hakea laurina PINCUSHION TREE None None None

Harpephyllum caffrum KAFFIR PLUM Moderate – Minimal Moderate – Minimal Moderate – Low

Hymenosporum flavum SWEETSHADE Moderate Moderate Moderate

Jacaranda mimosifolia JACARANDA Moderate – Minimal Minimal - None Minimal

Juglans hindsii CALIFORNIA BLACK WALNUT None None None

Juniperus chinensis CHINESE JUNIPER Minimal Minimal None

Juniperus chinensis 'Torulosa' HOLLYWOOD JUNIPER Minimal Minimal None

Juniperus spp. JUNIPER Minimal Minimal None

Koelreuteria bipinnata CHINESE FLAME TREE Moderate Moderate Minimal

Koelreuteria paniculata GOLDENRAIN TREE Moderate Moderate Minimal

Lagerstroemia indica CRAPE MYRTLE Moderate – Minimal Young trees only None Lagerstroemia indica CRAPE MYRTLE Moderate – Minimal Young trees only None 'Muskogee' Lagerstroemia indica CRAPE MYRTLE TUSCARORA Moderate – Minimal Young trees only None 'Tuscarora' Lagunaria patersonii PRIMROSE TREE Moderate – Minimal Moderate – Minimal None

Laurus nobilis SWEET BAY Moderate – Minimal Moderate – Minimal None

Leptospermum laevigatum AUSTRALIAN TEA TREE Moderate – Minimal Moderate – Minimal None

Leptospermum spp. TEA TREE Moderate – Minimal Moderate – Minimal None

Leucaena glauca WHITE POPINAC Moderate – Minimal Moderate – Minimal None

Liquidambar orientalis ORIENTAL SWEETGUM Moderate Moderate Moderate

Liquidambar styraciflua AMERICAN SWEETGUM Moderate Moderate Moderate Liquidambar styraciflua BURGUNDY SWEETGUM Moderate Moderate Moderate 'Burgundy' Liquidambar styraciflua ROUND-LEAFED SWEETGUM Moderate Moderate Moderate 'Rotundiloba' Liriodendron tulipifera TULIP TREE Regular Regular Regular

Lophostemon confertus BRISBANE BOX Minimal None None FERN-LEAF CATALINA Lyonothamnus floribundus Moderate – Minimal Moderate – Minimal Minimal IRONWOOD Macadamia tetraphylla ROUGH-SHELL MACADAMIA Regular Regular Regular

Magnolia grandiflora SOUTHERN MAGNOLIA Moderate Moderate Minimal Magnolia grandiflora 'Samuel MAGNOLIA SAMUEL SOMMER Moderate - Regular Moderate -Regular Moderate -Regular Sommer' Malus sylvestris EDIBLE APPLE Moderate - Regular Moderate -Regular Moderate -Regular

Maytenus boaria MAYTEN TREE Moderate - Regular Moderate - Regular Moderate - Regular

Melaleuca armillaris DROOPING MELALEUCA Minimal None None

Melaleuca ericifolia HEATH MELALEUCA Minimal None None

Melaleuca nesophila PINK MELALEUCA Minimal None None

Melaleuca quinquenervia CAJEPUT TREE Minimal None None NEW ZEALAND CHRISTMAS Metrosideros excelsus Minimal Young trees only None TREE Morus alba WHITE MULBERRY Regular Regular Regular Musa spp. BANANA Ample Ample Ample

Myoporum laetum MYOPORUM Minimal - None Minimal - None None

Myrtus communis TRUE MYRTLE Moderate – Minimal Moderate – Minimal Low

Neodypsis decaryi TRIANGLE PALM Regular Regular Regular

Nerium oleander OLEANDER Minimal None None

Olea europaea OLIVE Minimal None None

Persea americana AVOCADO Regular Regular Regular

Persea borbonia RED BAY Regular Regular Regular

Phoenix canariensis CANARY ISLAND DATE PALM Moderate – Minimal None None

Phoenix dactylifera DATE PALM Regular Regular Regular

Phoenix loureri DATE PALM Regular Regular Regular

Phoenix reclinata SENEGAL PALM Regular Regular Regular

Phoenix roebelenii PYGMY DATE PALM Regular Regular Regular

Pinus brutia CALABRIAN PINE Minimal Young trees only None

Pinus canariensis CANARY ISLAND PINE Minimal Young trees only None

Pinus densiflora JAPANESE RED PINE Minimal Young trees only None

Pinus edulis PINON PINE Minimal Young trees only None

Pinus halepensis ALEPPO PINE Minimal Young trees only None

Pinus pinaster CLUSTER PINE Minimal Young trees only None

Pinus pinea ITALIAN STONE PINE Minimal Young trees only None

Pinus radiata MONTEREY PINE Minimal Young trees only None

Pinus thunbergiana JAPANESE BLACK PINE Minimal Young trees only None

Pinus torreyana TORREY PINE Minimal Young trees only None

Pistacia chinensis CHINESE PISTACHE Minimal - None Minimal - None None

Pittosporum crassifolium KARO Moderate Moderate Minimal

Pittosporum phillyreoides WILLOW PITTOSPORUM Moderate Moderate Minimal

Pittosporum rhombifolium QUEENSLAND PITTOSPORUM Moderate Moderate Minimal

Pittosporum spp. PITTOSPORUM Moderate Moderate Minimal

Pittosporum tobira MOCK ORANGE Moderate Moderate Minimal

Pittosporum undulatum VICTORIAN BOX Moderate Moderate Minimal

Pittosporum viridiflorum CAPE PITTOSPORUM Moderate Moderate Minimal

Platanus acerifolia LONDON PLANE Moderate Moderate Moderate

Platanus acerifolia 'Bloodgood' LONDON PLANE BLOODGOOD Moderate Moderate Moderate

Platanus occidentalis AMERICAN SYCAMORE Moderate Moderate Moderate

Platanus racemosa CALIFORNIA SYCAMORE Moderate Moderate Moderate

Platycladus orientalis ORIENTAL ARBORVITAE Moderate Moderate Minimal

Podocarpus gracilior FERN PINE Regular Regular Regular Podocarpus henkelii LONG-LEAFED YELLOWWOOD Regular Regular Regular

Podocarpus macrophyllus YEW PINE Minimal Minimal Minimal

Podocarpus nagi PODOCARPUS NAGI Regular Regular Regular

Populus alba WHITE POPLAR Regular Regular Regular

Populus nigra 'Italica' LOMBARDY POPLAR Regular Regular Regular

Prunus amygdalus ALMOND Moderate - Regular Moderate - Regular Moderate - Regular

Prunus armeniaca APRICOT Moderate - Regular Moderate - Regular Moderate - Regular

Prunus blireiana FLOWERING PLUM Moderate - Regular Moderate - Regular Moderate - Regular

Prunus caroliniana CAROLINA LAUREL CHERRY Moderate - Regular Moderate - Regular Moderate - Regular

Prunus cerasifera PURPLE-LEAF PLUM Moderate - Regular Moderate - Regular Moderate - Regular

Prunus domestica PLUM Moderate - Regular Moderate - Regular Moderate - Regular

Prunus lyonii CATALINA CHERRY Moderate - Regular Moderate - Regular Moderate - Regular

Prunus 'Mt Fuji' CHERRY MT FUJI Moderate - Regular Moderate - Regular Moderate - Regular

Prunus persica PEACH Moderate - Regular Moderate - Regular Moderate - Regular JAPANESE FLOWERING Prunus serrulata Moderate - Regular Moderate - Regular Moderate - Regular CHERRY Psidium cattleianum STRAWBERRY GUAVA Regular Regular Regular

Pyrus calleryana ORNAMENTAL PEAR Moderate Moderate Moderate

Pyrus communis FRUITING PEAR Moderate Moderate Moderate

Pyrus kawakamii EVERGREEN PEAR Moderate Moderate Moderate

Quercus agrifolia COAST LIVE OAK Minimal None Minimal - None

Quercus ilex HOLLY OAK Minimal None Minimal - None

Quercus suber CORK OAK Minimal None Minimal - None

Quercus virginiana SOUTHERN LIVE OAK Minimal None Minimal - None

Radermachera sinica CHINA DOLL Regular Regular Regular

Ravenea rivularis MAJESTY PALM Regular Regular Regular

Roystonea oleracea SOUTH AMERICAN ROYAL PALM Regular Regular Regular

Roystonea regia CUBAN ROYAL PALM Regular Regular Regular

Salix matsudana 'Tortuosa' CORKSCREW WILLOW Regular Regular Regular

Schefflera actinophylla QUEENSLAND UMBRELLA TREE Regular Regular Regular

Schinus molle CALIFORNIA PEPPER Minimal Minimal None

Schinus terebinthifolius BRAZILIAN PEPPER Minimal None None

Sequoia sempervirens COAST REDWOOD Ample Ample Ample

Sequoiadendron giganteum GIANT SEQUOIA Ample Ample Ample

Stenocarpus sinuatus FIREWHEEL TREE Moderate Moderate Moderate

Strelitzia nicolai GIANT BIRD OF PARADISE Moderate Moderate Moderate

Syagrus romanzoffianum QUEEN PALM Moderate Moderate Minimal

Syzygium paniculatum BRUSH CHERRY Moderate Moderate Moderate Tabebuia chrysotricha GOLDEN TRUMPET TREE Regular Regular Regular

Taxodium mucronatum MONTEZUMA CYPRESS Minimal - None Minimal - None None

Thevetia peruviana YELLOW OLEANDER Minimal None Minimal

Tipuana tipu TIPU Regular Regular Regular

Trachycarpus fortunei WINDMILL PALM Regular Regular Regular

Tristaniopsis laurina WATER GUM None None None

Tupidanthus calyptratus TUPIDANTHUS Regular Regular Regular

Ulmus parvifolia CHINESE ELM Regular Regular Regular

Ulmus parvifolia 'Drake' DRAKE ELM Regular Regular Regular

Ulmus pumila SIBERIAN ELM Regular Regular Regular

Umbellularia californica CALIFORNIA BAY Minimal - None Minimal - None None

Viburnum tinus LAURUSTINUS Regular Regular Regular

Washingtonia filifera CALIFORNIA FAN PALM Minimal - None Minimal - None None

Washingtonia robusta MEXICAN FAN PALM Minimal - None Minimal - None None

Wodyetia bifurcata FOXTAIL PALM Moderate - Regular Moderate - Regular Moderate - Regular

Xylosma congestum XYLOSMA Moderate Moderate Moderate

Yucca elephantipes GIANT YUCCA Minimal - None Minimal - None None

Yucca gloriosa SPANISH DAGGER Minimal - None Minimal - None None

Yucca spp. YUCCA Minimal - None Minimal - None None