Adenium

Adenium obesum (Desert Rose )

Berberis

Berberis thunbergii (Japanese Barberry)
Berberis thunbergii 'Aurea' (Golden Japanese Barberry)
Berberis thunbergii 'Kobold' (Kobold Japanese Barberry)
Berberis thunbergii var. atropurpurea (Purple (Red) Leafed Japanese Barberry)
Berberis thunbergii var. atropurpurea 'Crimson Pigmy' (Crimson Pigmy Japanese Barberry)
Berberis thunbergii var. atropurpurea 'Golden Ring' (Golden Ring Barberry)
Berberis thunbergii var. atropurpurea 'Rose Glow' (Rose Glow Barberry)
Berberis thunbergii var. atropurpurea Royal Burgundy™ (Royal Burgundy Barberry)
Berberis triacanthophora (Threespine Barberry )

Camellia

Camellia japonica (Japanese Camellia)
Camellia sasanqua (Sasanqua Camellia)

Cercis

Cercis canadensis 'Forest Pansy' (Forest Pansy Redbud)
Cercis canadensis 'Ruby Falls' (Ruby Falls Weeping 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 )

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Clethra

Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Corylus

Corylus avellana 'Red Dragon' (Red Dragon Hazelnut)
Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)

Cotinus

Cotinus coggygria (Common Smoketree )
Cotinus coggygria 'Royal Purple' (Royal Purple Smoketree)

Cotoneaster

Cotoneaster bullatus (Hollyberry Cotoneaster)

Daphne

Daphne 'Lawrence Crocker' (Lawrence Crocker Daphne)
Daphne × burkwoodii (Burkwood Daphne)
Daphne mezereum (February Daphne )

Distylium

Distylium × 'Vintage Jade' (Vintage Jade Evergreen Witch Hazel)

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Escallonia

Escallonia 'Compakta' (Compakta Escallonia)
Escallonia laevis 'Gold Brian' (Gold Brian Escallonia)
Escallonia × langleyensis (Langley Escallonia)
Escallonia × langleyensis 'Pride of Donard' (Pride of Donard Escallonia)

Fouquieria

Fouquieria splendens (Ocotillo)

Grevillea

Grevillea lanigera (Woolly Grevillea)
Grevillea rosmarinifolia (Rosemary Grevillea)
Grevillea victoriae (Royal Grevillea)

Hamamelis

Hamamelis × intermedia 'Arnold Promise' (Arnold Promise Witchhazel)
Hamamelis × intermedia 'Diane' (Diane Witchhazel)
Hamamelis × intermedia 'Jelena' (Jelena Witchhazel)
Hamamelis vernalis (Vernal Witchhazel )

Kalmia

Kalmia latifolia (Mountain-laurel)

Lagerstroemia

Lagerstroemia (hybrid) (Hybrid Crape Myrtle)
Lagerstroemia indica (Common Crape Myrtle )

Loropetalum

Loropetalum chinense var. rubrum (Pink-flowering Fringe-flower )
Loropetalum chinense var. rubrum 'Daybreak's Flame' (Daybreak's Flame Fringe-flower)
Loropetalum chinense var. rubrum Plum Delight™ (Plum Delight Fringe-flower)

Magnolia

Magnolia 'Randy' (Randy Magnolia)
Magnolia stellata 'Rosea' (Rosea Star Magnolia )

Melaleuca

Melaleuca nesophila (Pink Melaleuca )

Parrotia

Parrotia persica (Persian Parrotia )

Pieris

Pieris japonica (Japanese Pieris )
Pieris japonica 'Valley Valentine' (Valley Valentine Pieris)

Pittosporum

Pittosporum tenuifolium 'Marjorie Channon' (Marjorie Channon Pittosporum )
Pittosporum tenuifolium 'Silver Sheen' (Silver Sheen Pittosporum )

Prunus

Prunus × cistena (Purpleleaf Sandcherry )
Prunus prostrata (Rock Cherry )

Punica

Punica granatum (Pomegranate)

Rhododendron (defines evaluations)

Rhododendron 'Vulcan' (Vulcan Rhododendron)

Spiraea

Spiraea japonica 'Anthony Waterer' (Anthony Waterer Spirea )
Spiraea japonica 'Bumalda' (Bumald Spirea)
Spiraea japonica Double Play® Painted Lady® (Painted Lady® Spirea)
Spiraea japonica 'Goldflame' (Goldflame Spirea)
Spiraea japonica var. alpina (Daphne Spirea)

Vaccinium

Vaccinium sikkimense (Sikkim Blueberry)