Aesculus

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

Alnus

Alnus alnobetula subsp. sinuata (Sitka Alder )

Amelanchier

Amelanchier × grandiflora (Apple Serviceberry)

Arctostaphylos

Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos manzanita (Parry Manzanita )

Cornus

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

Crataegus

Crataegus laevigata (English Hawthorn )
Crataegus laevigata Crimson Cloud™ (Crimson Cloud Hawthorn)

Cydonia

Cydonia oblonga (Quince)

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Hydrangea

Hydrangea paniculata (Panicle Hydrangea)

Lagerstroemia

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

Magnolia

Magnolia campbellii (Campbell's Magnolia )
Magnolia insignis (Red Lotus Tree)
Magnolia liliiflora (Lily Magnolia)
Magnolia × loebneri (Loebner Magnolia)
Magnolia × loebneri 'Leonard Messel' (Leonard Messel Magnolia)
Magnolia sargentiana var. robusta (Sargent's Magnolia)
Magnolia × soulangeana (Saucer Magnolia)
Magnolia stellata (Star Magnolia)

Malus

Malus floribunda (Japanese Flowering Crabapple)
Malus fusca (Western Crabapple )

Myrtus

Myrtus communis (Common Myrtle )

Olneya

Olneya tesota (Ironwood)

Prunus

Prunus 'Accolade' (Accolade Flowering Cherry)
Prunus Cascade Snow™ (Cascade Snow Flowering Cherry)
Prunus armeniaca (Apricot)
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 subcordata (Klamath Plum )
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)

Rhododendron (defines evaluations)

Rhododendron arboreum subsp. cinnamomeum (Cinnamon Rhododendron)
Rhododendron irroratum (Irroratum Rhododendron)
Rhododendron macrophyllum (Western Rhododendron)

Rhus

Rhus ovata (Sugar Bush)

Robinia

Robinia neomexicana (New Mexican Locust )

Sambucus

Sambucus nigra Black Beauty™ (Black Beauty Elderberry )

Tetradium

Tetradium daniellii (Korean Evodia )

Vitex

Vitex lucens (Puriri )