Abelia

Abelia × grandiflora (Glossy Abelia)

Abeliophyllum

Abeliophyllum distichum (White Forsythia )

Acer

Acer ginnala (Amur Maple)

Aleurites

Aleurites moluccanus (Candelnut)
Aleurites rockinghamensis (Candelnut)

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 edmundsii (Little Sur Manzanita)
Arctostaphylos insularis (Island Manzanita)
Arctostaphylos manzanita (Parry Manzanita )
Arctostaphylos manzanita 'St. Helena' (St. Helena 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 rudis (Shag Bark Manzanita )
Arctostaphylos tomentosa (Wolly Manzanita )

Bauhinia

Bauhinia variegata (Orchid Tree )

Camellia

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

Carpenteria

Carpenteria californica (Bush Anemone)

Castanea

Castanea mollissima (Chinese Chestnut)

Ceanothus

Ceanothus cuneatus var. rigidus 'Snowball' (Snowball Ceanothus)

Clethra

Clethra alnifolia (Summersweet )
Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Crataegus

Crataegus germanica (Medlar)

Davidia

Davidia involucrata (Dove Tree )

Deutzia

Deutzia gracilis (Slender Deutzia)
Deutzia gracilis 'Nikko' (Nikko Slender Deutzia)
Deutzia × kalmiiflora (Kalmia Flowered Deutzia)
Deutzia paviflora var. amurensis (Amur Deutzia)
Deutzia scabra (Fuzzy Deutzia)
Deutzia scabra 'Flore-pleno' (Flore-pleno Fuzzy Deutzia)
Deutzia scabra 'Godsall Pink' (Godsall Pink Fuzzy Deutzia)

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Eriogonum

Eriogonum fasciculatum (California Buckwheat )

Eucalyptus

Eucalyptus urnigera (Urn Gum)

Exochorda

Exochorda racemosa (Common Pearlbush)

Fontanesia

Fontanesia philliraeoides subsp. fortunei (Fontanesia)

Franklinia

Franklinia alatamaha (Franklin Tree )

Hakea

Hakea microcarpa (Small-fruited Hakea)

Halesia

Halesia carolina (Carolina Silverbell )

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Hovenia

Hovenia dulcis (Japanese Raisintree )

Hydrangea

Hydrangea anomala var. petiolaris (Climbing Hydrangea)

Kalmia

Kalmia polifolia (Bog Laurel )

Kerria

Kerria japonica 'Albiflora' (White Japanese Kerria, )

Lagerstroemia

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

Leucothoe

Leucothoe axillaris (Coast Leucothoen )
Leucothoe fontanesiana (Drooping Leucothoe)
Leucothoe fontanesiana 'Girard's Rainbow' (Girard's Rainbow Leucothoe)
Leucothoe grayana (Hana-hirinoki (Japan))
Leucothoe racemosa (Sweetbells Leucothoe )

Loropetalum

Loropetalum chinense (Chinese Fringe-flower)

Magnolia

Magnolia denudata (Yulan Magnolia)
Magnolia lotungensis (Eastern Joy Lotus Tree)
Magnolia salicifolia (Willowleaf Magnolia )

Menziesia

Menziesia ciliicalyx var. multiflora (Mock Azalea )

Neviusia

Neviusia cliftonii (Shasta Snowwreath)

Oxydendrum

Oxydendrum arboreum (Sourwood )

Pachysandra

Pachysandra procumbens (Allegheny Pachysandra)

Parrotiopsis

Parrotiopsis jacquemontiana (No English common name )

Pieris

Pieris formosa var. forrestii (Chinese Pieris )
Pieris japonica (Japanese Pieris )
Pieris japonica var. yakushimanum 'Prelude ' (Prelude Pieris )
Pieris japonica 'Flaming Silver' (Flaming Silver Pieris)

Pittosporum

Pittosporum heterophyllum (Chinese Pittosporum)
Pittosporum tobira (Japanese Mock Orange )

Pterostyrax

Pterostyrax hispida (Epaulette Tree )

Purshia

Purshia stansburiana (Cliffrose)

Pyrus

Pyrus calleryana (Callery Pear)
Pyrus calleryana Chanticleer® (Chanticleer Pear)
Pyrus fauriei Korean Sun™ (Korean Sun Pear)
Pyrus salicifolia 'Pendula' (Weeping Willow-leaved Pear)

Quillaja

Quillaja saponaria (Soap-bark Tree )

Rhododendron (defines evaluations)

Rhododendron groenlandicum (Labrador-tea)

Rosmarinus

Rosmarinus officinalis (Rosemary)

Stewartia

Stewartia koreana (Korean Stewartia)
Stewartia monadelpha (Tall Stewartia)
Stewartia pseudocamellia (Japanese Stewartia)
Stewartia rostrata (Rostrata Stewartia)
Stewartia serrata (Sawtooth Stewartia)

Styrax

Styrax japonicus (Japanese Snowbell)
Styrax japonicus 'Evening Light' (Evening Light Japanese Snowbell)

Weigela

Weigela florida (Weigela)