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)

Camellia

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

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)

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 )

Leucothoe

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

Malus

Malus floribunda (Japanese Flowering Crabapple)
Malus hupehensis (Tea Crabapple)

Pachysandra

Pachysandra procumbens (Allegheny Pachysandra)

Paeonia

Paeonia suffruticosa (Tree Peony )

Physocarpus

Physocarpus opulifolius Summer Wine™ (Summer Wine Ninebark )

Pieris

Pieris japonica (Japanese Pieris )

Prunus

Prunus 'Accolade' (Accolade Flowering Cherry)
Prunus Cascade Snow™ (Cascade Snow Flowering Cherry)
Prunus 'Newport' (Newport Flowering Plum)
Prunus armeniaca (Apricot)
Prunus cerasifera 'Atropurpurea' (Atropurpurea Flowering Plum)
Prunus × cistena (Purpleleaf Sandcherry )
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)
Rhododendron formosum var. formosum (Formosum Rhododendron)

Rosa

Rosa rugosa (Rugosa Rose)

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)