Abelia

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

Amelanchier

Amelanchier × grandiflora (Apple Serviceberry)

Andromeda

Andromeda polifolia (Bog Rosemary)

Arctostaphylos

Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos bakeri subsp. bakeri 'Louis Edmunds' (Louis Edmunds Manzanita)
Arctostaphylos canescens (Hoary Manzanita )
Arctostaphylos confertiflora (Santa Rosa Island Manzanita)
Arctostaphylos densiflora (Sonoma Manzanita )
Arctostaphylos densiflora 'Howard McMinn' (Howard McMinn Manzanita)
Arctostaphylos edmundsii (Little Sur Manzanita)
Arctostaphylos hookeri (Hooker's Manzanita )
Arctostaphylos insularis (Island Manzanita)
Arctostaphylos montaraensis (Montara Manzanita)
Arctostaphylos nevadensis (Pinemat Manzanita)
Arctostaphylos pajaroensis (Pajaro Manzanita)
Arctostaphylos pajaroensis 'Bretts Beauty' (Brett's Beauty Manzanita)
Arctostaphylos pumila (Sandmat Manzanita )
Arctostaphylos pungens (Ponitleaf Manzanita )
Arctostaphylos refugioensis (Refugio Manzanita)
Arctostaphylos rudis (Shag Bark 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)

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 )

Cornus

Cornus florida (Flowering Dogwood )
Cornus kousa (Kousa Dogwood )

Cotoneaster

Cotoneaster divaricatus (Spreading Cotoneaster)
Cotoneaster franchetii (Franchet Cotoneaster)
Cotoneaster intergerrimus (European Cotoneaster)
Cotoneaster lucidus (Hedge Cotoneaster)

Cydonia

Cydonia oblonga (Quince)

Daboecia

Daboecia cantabrica (Irish Heath )

Daphne

Daphne × burkwoodii (Burkwood Daphne)
Daphne × burkwoodii 'Carol Mackie' (Carol Mackie Burkwood Daphne)
Daphne odora (Fragrant Daphne )
Daphne odora 'Mae-Jima' (Mae-Jami Winter Daphne)
Daphne odora 'Marginata' (Variegated Fragrant Daphne )

Deutzia

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

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Erica

Erica carnea (Spring Heath )
Erica cinerea (Twisted Heath )
Erica × darleyensis (Darley Heath )

Eriogonum

Eriogonum fasciculatum (California Buckwheat )

Escallonia

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

Gaultheria

Gaultheria procumbens (Wintergreen)

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)

Kalmia

Kalmia latifolia (Mountain-laurel)
Kalmia polifolia (Bog Laurel )

Lagerstroemia

Lagerstroemia (hybrid) (Hybrid Crape Myrtle)
Lagerstroemia chekiangensis (Crape Myrtle)
Lagerstroemia floribunda (Asian Crape Myrtle )
Lagerstroemia indica (Common Crape Myrtle )

Leucothoe

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

Lonicera

Lonicera japonica (Japanese Honeysuckle)

Magnolia

Magnolia liliiflora (Lily Magnolia)
Magnolia × loebneri (Loebner Magnolia)
Magnolia × loebneri 'Leonard Messel' (Leonard Messel Magnolia)
Magnolia × soulangeana (Saucer Magnolia)
Magnolia stellata (Star Magnolia)
Magnolia stellata 'Waterlily' (Waterlily Magnolia)

Malus

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

Menziesia

Menziesia ciliicalyx var. multiflora (Mock Azalea )

Myrtus

Myrtus communis (Common Myrtle )

Pachysandra

Pachysandra procumbens (Allegheny Pachysandra)

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 × yedoensis 'Akebono' (Akebono Yoshino Cherry)

Rhaphiolepis

Rhaphiolepis indica (Indian Hawthorn)

Rhododendron (defines evaluations)

Rhododendron 'Dreamland' (Dreamland Rhrododendron)

Rhus

Rhus integrifolia (Lemonade Berry )