Abelia

Abelia × 'Edward Goucher' (Edward Goucher Abelia)

Alnus

Alnus alnobetula subsp. sinuata (Sitka Alder )

Amelanchier

Amelanchier × grandiflora (Apple Serviceberry)

Aronia

Aronia arbutifolia (Red Chokeberry)
Aronia arbutifolia 'Brilliantissima' (Brilliant Red Chokeberry)

Callicarpa

Callicarpa dichotoma (Purple Beautyberry)
Callicarpa japonica (Japanese Beautyberry)

Calycanthus

Calycanthus × raulstonii 'Hartlage Wine' (Hartlage Wine Sweetbush )

Cercidiphyllum

Cercidiphyllum japonicum (Katsura )

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Clethra

Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Crataegus

Crataegus laevigata (English Hawthorn )
Crataegus laevigata Crimson Cloud™ (Crimson Cloud Hawthorn)

Deutzia

Deutzia × kalmiiflora (Kalmia Flowered Deutzia)
Deutzia scabra 'Godsall Pink' (Godsall Pink Fuzzy Deutzia)

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Fuchsia

Fuchsia magellanica (Magellan Fuchsia )

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Hydrangea

Hydrangea macrophylla (Bigleaf Hydrangea)
Hydrangea paniculata (Panicle Hydrangea)
Hydrangea paniculata Angel Blush® (Angel Blush Hydrangea)
Hydrangea paniculata 'Pink Diamond' (Pink Diamond Hydrangea)
Hydrangea paniculata 'Unique' (Unique Hydrangea)

Kolkwitzia

Kolkwitzia amabilis (Beautybush)

Lavatera

Lavatera thuringiaca (Tree Lavatera)

Lonicera

Lonicera hispidula (Pink Honeysuckle )

Loropetalum

Loropetalum chinense var. rubrum 'Daybreak's Flame' (Daybreak's Flame Fringe-flower)

Malus

Malus Brandywine® (Brandywine Crabapple)
Malus atrosanguinea (Carmine Crabapple)
Malus floribunda (Japanese Flowering Crabapple)
Malus fusca (Western Crabapple )
Malus hupehensis (Tea Crabapple)

Menziesia

Menziesia ferruginea (Rusty Menziesia )

Pachysandra

Pachysandra procumbens (Allegheny Pachysandra)

Physocarpus

Physocarpus opulifolius Summer Wine™ (Summer Wine Ninebark )

Prunus

Prunus 'Accolade' (Accolade Flowering Cherry)
Prunus Cascade Snow™ (Cascade Snow Flowering Cherry)
Prunus 'Dream Catcher' (Dream Catcher Flowering Cherry)
Prunus 'First Lady' (First Lady Flowering Cherry)
Prunus 'Newport' (Newport Flowering Plum)
Prunus 'Okame' (Okame Flowering Cherry)
Prunus armeniaca (Apricot)
Prunus × blireiana (Blireiana Plum)
Prunus cerasifera 'Atropurpurea' (Atropurpurea Flowering Plum)
Prunus cerasifera 'Krauter's Vesuvius' (Krauter's Vesuvius Flowering Plum )
Prunus cerasifera 'Thundercloud' (Thundercloud Flowering Plum )
Prunus × cistena (Purpleleaf Sandcherry )
Prunus glandulosa (Dwarf Flowering Almond)
Prunus mume (Japanese Apricotc )
Prunus mume 'Peggy Clarke' (Peggy Clarke Japanese Flowering Apricot)
Prunus mume 'Trumpet' (Trumpet Japanese Flowering Apricot)
Prunus prostrata (Rock Cherry )
Prunus sargentii (Sargent Cherry)
Prunus sargentii 'Columnaris' (Columnar Sargent Cherry)
Prunus serrulata (Japanese Flowering Cherry )
Prunus serrulata 'Kanzan' (Kanzan Flowering Cherry)
Prunus serrulata 'Mt. Fuji' (Mt. Fuji Flowering Cherry)
Prunus serrulata 'Royal Burgundy' (Royal Burgundy Flowering Cherry)
Prunus serrulata 'Shiro-fugen' (Shiro-fugen Flowering Cherry)
Prunus serrulata 'Shogetsu' (Shogetsu Flowering Cherry)
Prunus serrulata 'Ukon' (Ukon Flowering Cherry)
Prunus subcordata (Klamath Plum )
Prunus subhirtella (Higan Cherry)
Prunus subhirtella 'Pendula' (Weeping Higan Cherry)
Prunus subhirtella 'Whitcomb' (Whitcomb Flowering Higan Cherry)
Prunus subhirtella 'Yae-shidare-higan' (Yae-shedare Higan Cherry )
Prunus subhirtella var. autumnalis (Autumn Flowering Higan Cherry)
Prunus × yedoensis (Yoshino Cherry )
Prunus × yedoensis 'Akebono' (Akebono Yoshino Cherry)

Rhododendron (defines evaluations)

Rhododendron Tri Lights™ (Tri-Lights Azalea)

Ribes

Ribes malvaceum (Chaparral Currant)
Ribes nevadense (Mountain Pink Currant )
Ribes sanguineum (Flowering Currant )

Spiraea

Spiraea douglasii (Douglas Spirea )
Spiraea japonica (Japanese Spirea)
Spiraea japonica 'Anthony Waterer' (Anthony Waterer Spirea )
Spiraea japonica 'Bumalda' (Bumald Spirea)
Spiraea japonica Double Play® Painted Lady® (Painted Lady® Spirea)
Spiraea japonica 'Goldmound' (Goldmound Spirea)
Spiraea japonica 'Lemon Princess' (Lemon Princess Spirea)
Spiraea japonica Limemound® (Limemound Spirea)
Spiraea japonica 'Little Princess' (Little Princess Spirea)
Spiraea japonica Magic Carpet™ (Magic Carpet Spirea)
Spiraea japonica var. alpina (Daphne Spirea)
Spiraea splendens (Mountain Spirea)
Spiraea thunbergii 'Fujino Pink' (Fujino Pink Spirea)

Styrax

Styrax japonicus 'Pink Chimes' (Pink Chimes Japanese Snowbell )

Vaccinium

Vaccinium corymbosum (Highbush Blueberry)

Viburnum

Viburnum × bodnantense 'Dawn' (Dawn Bodnantense Viburnum)
Viburnum × burkwoodii (Burkwood Viburnum)
Viburnum carlesii (Koreanspice Viburnum)
Viburnum farreri (Fragrant Viburnum)
Viburnum × juddii (Judd Viburnum)
Viburnum opulus var. opulus 'Roseum' (European Snowball Viburnum)
Viburnum opulus var. sargentii 'Onondaga' (Onondaga Viburnum )
Viburnum plicatum var. plicatum 'Pink Sensation' (Pink Sensation Japanese Snowball)
Viburnum plicatum var. tomentosum 'Pink Beauty' (Pink Beauty Doublefile Viburnum)

Weigela

Weigela florida (Weigela)
Weigela praecox (Early Weigela)
Weigela praecox 'Korean Sunrise' (Korean Sunrise Weigela)