Acer

Acer ginnala (Amur Maple)
Acer monspessulanum (Montpellier Maple)
Acer opalus subsp. obtusatum (Bosnian Maple)
Acer platanoides (Norway Maple)
Acer platanoides 'Crimson King' (Crimson King Norway Maple)
Acer platanoides 'Deborah' (Deborah Norway Maple)
Acer platanoides 'Schwedleri' (Schwedleri Norway Maple)

Aesculus

Aesculus chinensis (Chinese Horsechestnut)
Aesculus flava (Yellow Buckeye )
Aesculus glabra (Ohio Buckeye )
Aesculus glabra var. arguta (Texas Buckeye )
Aesculus sylvatica (Painted Buckeye )

Argyrocytisus

Argyrocytisus battandieri (Pineapple Broom )

Artocarpus

Artocarpus altilis (Breadfruit)

Azadirachta

Azadirachta indica (Neem )

Azara

Azara microphylla (Boxleaf Azara)

Caragana

Caragana arborescens (Siberian Peashrub )

Cinnamomum

Cinnamomum camphora (Camphor Tree )

Cornus

Cornus alternifolia (Pagoda Dogwood)
Cornus capitata (Evergreen Dogwood )
Cornus controversa 'June Snow' (June Snow Giant Dogwood)
Cornus mas (Corneliancherry Dogwood)
Cornus officinalis (Japanese Cornelian Dogwood )

Cotinus

Cotinus coggygria (Common Smoketree )
Cotinus obovatus (American Smoketree )

Elaeagnus

Elaeagnus umbellata (Autumn Elaeagnus )

Firmiana

Firmiana simplex (Chinese Parasol Tree )

Fremontodendron

Fremontodendron (Flannel Bush )

Gleditsia

Gleditsia macracantha (Large Spined Honeylocust)

Grevillea

Grevillea robusta (Silky Oak )

Hamamelis

Hamamelis virginiana (Common Witchhazel)

Hydrangea

Hydrangea paniculata (Panicle Hydrangea)

Idesia

Idesia polycarpa (Iigiri Tree )

Kalopanax

Kalopanax septemlobus (Castor-aralia )

Koelreuteria

Koelreuteria paniculata (Golden Raintree )
Koelreuteria paniculata 'Fastigiata' (Upright Golden Raintree)

Laburnum

Laburnum × watereri (Goldenchain Tree )

Liriodendron

Liriodendron chinense (Chinese Tuliptree)
Liriodendron tulipifera (Tuliptree )
Liriodendron tulipifera 'Aureo-marginatum' (Aureo-marginatum Tuliptree)
Liriodendron tulipifera 'Medio-pictum' (Medio-pictum Tuliptree )

Maackia

Maackia amurensis (Amur Maackia)

Magnolia

Magnolia 'Butterflies' (Butterflies Magnolia)
Magnolia 'Elizabeth' (Elizabeth Magnolia)
Magnolia ernestii (Yellow Lily Tree)

Parkinsonia

Parkinsonia florida (Blue Palo Verde)
Parkinsonia microphyllum (Littleleaf Palo Verde )

Pittosporum

Pittosporum tobira (Japanese Mock Orange )

Prunus

Prunus serrulata 'Ukon' (Ukon Flowering Cherry)

Punica

Punica granatum (Pomegranate)

Purshia

Purshia stansburiana (Cliffrose)

Quillaja

Quillaja saponaria (Soap-bark Tree )

Rhododendron (defines evaluations)

Rhododendron falconeri subsp. falconeri (Falconer Rhododendron)
Rhododendron irroratum (Irroratum Rhododendron)
Rhododendron lacteum (Lacteum Rhododendron)
Rhododendron macabeanum (Macabeanum Rhododendron)
Rhododendron sinofalconeri (Sinofalconer Rhododendron)
Rhododendron sinogrande (Sinogrande Rhododendron)

Rhus

Rhus lancea (African Sumac )

Salix

Salix caprea 'Kilmarnock' (Kilmarnock Willow)

Sapindus

Sapindus drummondii (Western Soapberry)

Spathodea

Spathodea campanulata (African Tulip Tree)

Stewartia

Stewartia koreana (Korean Stewartia)
Stewartia monadelpha (Tall Stewartia)
Stewartia pseudocamellia (Japanese Stewartia)
Stewartia rostrata (Rostrata Stewartia)
Stewartia serrata (Sawtooth Stewartia)

Syringa

Syringa pekinensis (Peking Lilac )

Tasmannia

Tasmannia lanceolata (Mountain Pepper)

Tetradium

Tetradium daniellii (Korean Evodia )

Tilia

Tilia americana (American Linden )
Tilia americana 'Continental Appeal' (Continental Appeal Linden )
Tilia cordata (Littleleaf Linden)
Tilia cordata Greenspire® (Greenspire Littleleaf Linden)
Tilia × euchlora (Crimean Linden)
Tilia × europaea (European Linden )
Tilia mongolica (Mongolian Linden)
Tilia tomentosa (Silver Linden)

Toona

Toona sinensis (Chinese Toon )

Trachycarpus

Trachycarpus fortunei (Chinese Windmill Palm )

Washingtonia

Washingtonia filifera (California Fan Palm )

Yucca

Yucca brevifolia (Joshua Tree)
Yucca treculeana (Spanish Bayonet)