Adansonia

Adansonia digitata (Baobab)

Aleurites

Aleurites moluccanus (Candelnut)

Bauhinia

Bauhinia variegata (Orchid Tree )

Carnegiea

Carnegiea gigantea (Saguaro)

Catalpa

Catalpa bignonioides (Southern Catalpa )
Catalpa × erubescens 'Purpurea' (Purple Catalpa)
Catalpa speciosa (Northern Catalpa )

Cladrastis

Cladrastis kentukea (American Yellowwood)

Cornus

Cornus florida (Flowering Dogwood )
Cornus florida 'Golden Nugget' (Golden Nugget Dogwood)
Cornus florida 'Welchii' (Tricolor Dogwood )

Gleditsia

Gleditsia macracantha (Large Spined Honeylocust)

Hakea

Hakea microcarpa (Small-fruited Hakea)

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Lagerstroemia

Lagerstroemia chekiangensis (Crape Myrtle)
Lagerstroemia floribunda (Asian Crape Myrtle )

Maackia

Maackia amurensis (Amur Maackia)
Maackia chinensis (Chinese Maackia)

Magnolia

Magnolia acuminata (Cucumber Magnolia )
Magnolia campbellii (Campbell's Magnolia )
Magnolia denudata (Yulan Magnolia)
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 'Waterlily' (Waterlily Magnolia)
Magnolia tripetala (Umbrella Magnolia )
Magnolia virginiana (Sweetbay Magnolia)

Melaleuca

Melaleuca diosmifolia (Dotted Melaleuca )

Nerium

Nerium oleander (Oleander)

Olneya

Olneya tesota (Ironwood)

Oxydendrum

Oxydendrum arboreum (Sourwood )

Parkinsonia

Parkinsonia microphyllum (Littleleaf Palo Verde )

Pterostyrax

Pterostyrax hispida (Epaulette Tree )

Rhododendron (defines evaluations)

Rhododendron groenlandicum (Labrador-tea)

Robinia

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

Rubus

Rubus calycinoides (Crinkle-leaf Creeper )
Rubus rolfei (Creeping Raspberry)

Styphnolobium

Styphnolobium japonicum (Japanese Pagodatree )
Styphnolobium japonicum Millstone™ (Millstone Japanese Pagodatree)
Styphnolobium japonicum 'Pendula' (Weeping Scholar-tree )

Toona

Toona sinensis (Chinese Toon )

Yucca

Yucca brevifolia (Joshua Tree)
Yucca filamentosa (Adam's Needle Yucca)
Yucca filamentosa 'Golden Sword' (Golden Sword Yucca)
Yucca glauca ( Small Soapweed )
Yucca recurvifolia (Pendulous Yucca )