Actinidia

Actinidia kolomikta (Kolomikta Actinidia )

Adansonia

Adansonia digitata (Baobab)

Adenium

Adenium obesum (Desert Rose )

Adenocarpus

Adenocarpus decorticans (Silver Broom )

Akebia

Akebia quinata (Five-leaf Akebia )

Albizia

Albizia julibrissin (Silk Tree )
Albizia julibrissin 'Summer Chocolate' (Summer Chocolate Silk Tree)

Aleurites

Aleurites moluccanus (Candelnut)

Amorpha

Amorpha nana (Dwarf Wild Indigo )

Araucaria

Araucaria araucana (Monkey Puzzle Tree )

Argyrocytisus

Argyrocytisus battandieri (Pineapple Broom )

Asimina

Asimina triloba (Common Pawpaw )

Bauhinia

Bauhinia variegata (Orchid Tree )

Berberis

Berberis × gladwynensis 'William Penn' (William Penn Barberry)
Berberis replicata (Evergreen Barberry)
Berberis verruculosa (Warty Barberry)

Caragana

Caragana arborescens (Siberian Peashrub )
Caragana arborescens 'Lorbergii' (Lorberg Peashrub )
Caragana frutex 'Globosa' (Globe Russian Peashrub )
Caragana pygmaea (Pygmy Peashrub )

Ceiba

Ceiba speciosa (Floss Silk Tree)

Ceratonia

Ceratonia siliqua (Carob )

Cercis

Cercis canadensis (Eastern Redbud)
Cercis canadensis 'Forest Pansy' (Forest Pansy Redbud)
Cercis canadensis 'Ruby Falls' (Ruby Falls Weeping Redbud)
Cercis canadensis var. alba (White Flowered Redbud)
Cercis canadensis var. mexicana (Mexican Redbud)
Cercis canadensis var. texensis 'Oklahoma' (Oklahoma Redbud)
Cercis chinensis (Chinese Redbud)
Cercis chinensis 'Avondale' (Avondale Chinese Redbud)
Cercis occidentalis (Western Redbud )
Cercis siliquastrum (Judus Tree )

Chilopsis

Chilopsis linearis (Desert Willow )

Cladrastis

Cladrastis kentukea (American Yellowwood)

Cotinus

Cotinus obovatus (American Smoketree )

Cytisus

Cytisus scoparius (Scotch Broom )
Cytisus scoparius 'Moonlight' (Moonlight Scotch Broom)

Daphne

Daphne laureola (Spurge Laurel)

Delonix

Delonix regia (Royal Poinciana)

Dermatophyllum

Dermatophyllum secundiflorum (Mescal Bean )
Dermatophyllum secundiflorum 'Silver Peso' (Silver Peso Mescal Bean )

Firmiana

Firmiana simplex (Chinese Parasol Tree )

Fremontodendron

Fremontodendron (Flannel Bush )

Genista

Genista lydia (Lydia Broom )
Genista pilosa (Silkyleaf Broom )

Gleditsia

Gleditsia macracantha (Large Spined Honeylocust)
Gleditsia triacanthos (Honeylocust)
Gleditsia triacanthos var. inermis (Thornless Honeylocust)

Grevillea

Grevillea robusta (Silky Oak )

Gymnocladus

Gymnocladus dioica (Kentucky Coffeetree)

Hakea

Hakea microcarpa (Small-fruited Hakea)

Hamamelis

Hamamelis × intermedia (Witchhazel)

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Holodiscus

Holodiscus discolor (Oceanspray )

Itea

Itea virginica (Sweetspire )
Itea virginica 'Henrys Garnet' (Henry's Garnet Sweetspire)

Laburnum

Laburnum × watereri (Goldenchain Tree )

Lapageria

Lapageria rosea (Chilean Bellflower )

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)
Maackia chinensis (Chinese Maackia)

Magnolia

Magnolia 'Caerhays Belle' (Caerhays Belle Magnolia)
Magnolia acuminata (Cucumber Magnolia )
Magnolia campbellii (Campbell's Magnolia )
Magnolia denudata (Yulan Magnolia)
Magnolia ernestii (Yellow Lily Tree)
Magnolia grandiflora (Southern Magnolia )
Magnolia insignis (Red Lotus Tree)
Magnolia kobus (Kobus Magnolia)
Magnolia liliiflora (Lily Magnolia)
Magnolia lotungensis (Eastern Joy Lotus Tree)
Magnolia salicifolia (Willowleaf Magnolia )
Magnolia sargentiana var. robusta (Sargent's Magnolia)
Magnolia sieboldii (Siebold Magnolia )
Magnolia × soulangeana (Saucer Magnolia)
Magnolia stellata (Star Magnolia)
Magnolia stellata 'Rosea' (Rosea Star Magnolia )
Magnolia stellata 'Waterlily' (Waterlily Magnolia)
Magnolia tripetala (Umbrella Magnolia )
Magnolia virginiana (Sweetbay Magnolia)

Malus

Malus fusca (Western Crabapple )

Melaleuca

Melaleuca diosmifolia (Dotted Melaleuca )
Melaleuca nesophila (Pink Melaleuca )

Morus

Morus alba (White Mulberry )
Morus alba 'Unryu' (Contorted Mulberry )

Olneya

Olneya tesota (Ironwood)

Oxydendrum

Oxydendrum arboreum (Sourwood )

Parkinsonia

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

Parrotia

Parrotia persica (Persian Parrotia )

Prunus

Prunus emarginata (Bitter Cherry )

Pterostyrax

Pterostyrax hispida (Epaulette Tree )

Rhododendron (defines evaluations)

Rhododendron groenlandicum (Labrador-tea)

Robinia

Robinia neomexicana (New Mexican Locust )
Robinia pseudoacacia (Black Locust)
Robinia pseudoacacia 'Frisia' (Frisia Black Locust)

Rosa

Rosa acicularis (Wild Prickly Rose)