Adenium

Adenium obesum (Desert Rose )

Andromeda

Andromeda polifolia (Bog Rosemary)

Arctostaphylos

Arctostaphylos × 'Austin Griffiths' (Austin Griffiths Manzanita)
Arctostaphylos bakeri subsp. bakeri (Baker 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 '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 )

Buddleia

Buddleia alternifolia (Alternate-leaf Butterfly Bush )

Cercis

Cercis canadensis 'Forest Pansy' (Forest Pansy Redbud)
Cercis canadensis var. alba (White Flowered Redbud)
Cercis canadensis var. mexicana (Mexican Redbud)
Cercis canadensis var. texensis 'Oklahoma' (Oklahoma Redbud)
Cercis chinensis (Chinese Redbud)
Cercis chinensis 'Avondale' (Avondale Chinese Redbud)
Cercis occidentalis (Western Redbud )
Cercis siliquastrum (Judus Tree )

Crataegus

Crataegus germanica (Medlar)

Distylium

Distylium × 'Vintage Jade' (Vintage Jade Evergreen Witch Hazel)

Encelia

Encelia farinosa (Brittlebush )

Eriogonum

Eriogonum fasciculatum (California Buckwheat )

Exochorda

Exochorda racemosa (Common Pearlbush)

Fremontodendron

Fremontodendron (Flannel Bush )

Hakea

Hakea microcarpa (Small-fruited Hakea)

Lagerstroemia

Lagerstroemia (hybrid) (Hybrid Crape Myrtle)
Lagerstroemia indica (Common Crape Myrtle )

Leucothoe

Leucothoe axillaris (Coast Leucothoen )

Loropetalum

Loropetalum chinense (Chinese Fringe-flower)
Loropetalum chinense var. rubrum (Pink-flowering Fringe-flower )
Loropetalum chinense var. rubrum 'Daybreak's Flame' (Daybreak's Flame Fringe-flower)
Loropetalum chinense var. rubrum Plum Delight™ (Plum Delight Fringe-flower)

Magnolia

Magnolia salicifolia (Willowleaf Magnolia )

Menziesia

Menziesia ciliicalyx var. multiflora (Mock Azalea )

Pieris

Pieris formosa var. forrestii (Chinese Pieris )

Pittosporum

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

Punica

Punica granatum (Pomegranate)

Quillaja

Quillaja saponaria (Soap-bark Tree )

Rhododendron (defines evaluations)

Rhododendron groenlandicum (Labrador-tea)

Stewartia

Stewartia serrata (Sawtooth Stewartia)