Alnus

Alnus alnobetula subsp. sinuata (Sitka Alder )

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 )

Ardisia

Ardisia japonica (Japanese Ardisia )

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 )

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Escallonia

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

Gaultheria

Gaultheria shallon (Salal)

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Ilex

Ilex × meserveae (Meserve Hybrid Holly)

Leucothoe

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

Malus

Malus fusca (Western Crabapple )

Menziesia

Menziesia ferruginea (Rusty Menziesia )

Paeonia

Paeonia suffruticosa (Tree Peony )

Physocarpus

Physocarpus opulifolius Summer Wine™ (Summer Wine Ninebark )

Pieris

Pieris japonica (Japanese Pieris )

Prunus

Prunus × cistena (Purpleleaf Sandcherry )
Prunus glandulosa (Dwarf Flowering Almond)
Prunus subcordata (Klamath Plum )

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)

Ribes

Ribes roezlii (Sierra Gooseberry )
Ribes sanguineum (Flowering Currant )

Rosa

Rosa nutkana (Nootka Rose )
Rosa rubiginosa (Sweetbriar Rose )
Rosa rugosa (Rugosa Rose)
Rosa woodsii (Woods' Rose)

Rubus

Rubus armeniacus (Himalayan Blackberry )
Rubus parviflorus (Thimbleberry )

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)
Vaccinium crassifolium (Creeping Blueberry )
Vaccinium membranaceum (Big Huckleberry )
Vaccinium ovatum (Box Huckleberry )