Abelia

Abelia × grandiflora (Glossy Abelia)
Abelia × grandiflora 'Francis Mason' (Francis Mason Glossy Abelia)

Aesculus

Aesculus californica (California Buckeye )
Aesculus hippocastanum 'Baumannii' (Double Horsechestnut )

Amelanchier

Amelanchier × grandiflora (Apple Serviceberry)

Arctostaphylos

Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos insularis (Island Manzanita)
Arctostaphylos montaraensis (Montara Manzanita)
Arctostaphylos pajaroensis (Pajaro Manzanita)
Arctostaphylos pajaroensis 'Bretts Beauty' (Brett's Beauty Manzanita)
Arctostaphylos refugioensis (Refugio Manzanita)
Arctostaphylos tomentosa (Wolly Manzanita )
Arctostaphylos viridissima 'White Cloud' (White Cloud McMinn's Manzanita )

Aronia

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

Buddleia

Buddleia davidii (Butterfly Bush)

Callicarpa

Callicarpa japonica (Japanese Beautyberry)

Camellia

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

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Cistus

Cistus × florentinus 'Fontfroide' (Fontfroide Rockrose)

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)

Escallonia

Escallonia laevis (Pink Escallonia)
Escallonia × langleyensis (Langley Escallonia)
Escallonia × langleyensis 'Apple Blossom' (Apple Blossom Escallonia)

Gaultheria

Gaultheria procumbens (Wintergreen)

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)
Hydrangea quercifolia (Oakleaf Hydrangea)

Leucothoe

Leucothoe axillaris (Coast Leucothoen )
Leucothoe grayana (Hana-hirinoki (Japan))

Malus

Malus floribunda (Japanese Flowering Crabapple)

Pachysandra

Pachysandra procumbens (Allegheny Pachysandra)

Pieris

Pieris japonica (Japanese Pieris )

Prunus

Prunus 'Accolade' (Accolade Flowering Cherry)
Prunus Cascade Snow™ (Cascade Snow Flowering Cherry)
Prunus armeniaca (Apricot)
Prunus glandulosa (Dwarf Flowering Almond)
Prunus mume 'Trumpet' (Trumpet Japanese Flowering Apricot)
Prunus serrulata (Japanese Flowering Cherry )
Prunus serrulata 'Mt. Fuji' (Mt. Fuji Flowering Cherry)
Prunus serrulata 'Shiro-fugen' (Shiro-fugen Flowering Cherry)
Prunus serrulata 'Shogetsu' (Shogetsu Flowering Cherry)
Prunus serrulata 'Ukon' (Ukon Flowering Cherry)
Prunus subhirtella (Higan Cherry)
Prunus subhirtella 'Pendula' (Weeping Higan Cherry)
Prunus subhirtella var. autumnalis (Autumn Flowering Higan Cherry)
Prunus × yedoensis (Yoshino Cherry )
Prunus × yedoensis 'Akebono' (Akebono Yoshino Cherry)

Rhaphiolepis

Rhaphiolepis 'Majestic Beauty' (Majestic Beauty Rhaphiolepis)
Rhaphiolepis indica (Indian Hawthorn)

Rhododendron (defines evaluations)

Rhododendron Tri Lights™ (Tri-Lights Azalea)

Rosa

Rosa rugosa (Rugosa Rose)

Sambucus

Sambucus nigra Black Beauty™ (Black Beauty Elderberry )
Sambucus nigra 'Purpurea' (Purpurea Elderberry )

Sorbus

Sorbus poteriifolia (Mountain Ash)

Spiraea

Spiraea japonica (Japanese Spirea)
Spiraea japonica 'Little Princess' (Little Princess Spirea)
Spiraea thunbergii 'Fujino Pink' (Fujino Pink Spirea)

Vaccinium

Vaccinium corymbosum (Highbush Blueberry)

Viburnum

Viburnum × burkwoodii (Burkwood Viburnum)
Viburnum × burkwoodii 'Conoy' (Conoy 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 suspensum (Sandankwa Viburnum )

Weigela

Weigela florida (Weigela)