Abelia

Abelia × 'Edward Goucher' (Edward Goucher Abelia)

Adenium

Adenium obesum (Desert Rose )

Andromeda

Andromeda polifolia (Bog Rosemary)

Arctostaphylos

Arctostaphylos × 'Austin Griffiths' (Austin Griffiths Manzanita)
Arctostaphylos 'White Lanterns' (White Lanterns Manzanita)
Arctostaphylos bakeri subsp. bakeri (Baker Manzanita)
Arctostaphylos bakeri subsp. bakeri 'Louis Edmunds' (Louis Edmunds Manzanita)
Arctostaphylos canescens (Hoary Manzanita )
Arctostaphylos columbiana (Hairy 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 patula (Green Manzanita )
Arctostaphylos pumila (Sandmat Manzanita )
Arctostaphylos pungens (Ponitleaf Manzanita )
Arctostaphylos refugioensis (Refugio Manzanita)
Arctostaphylos rudis (Shag Bark Manzanita )
Arctostaphylos tomentosa (Wolly Manzanita )
Arctostaphylos uva-ursi (Kinnikinnik )
Arctostaphylos uva-ursi 'Massachusetts' (Massachusetts Kinnikinnik )
Arctostaphylos uva-ursi 'Point Reyes' (Point Reyes Kinnikinnik )
Arctostaphylos uva-ursi 'San Bruno Mountain' (San Bruno Mountain Kinnikinnik )
Arctostaphylos viridissima 'White Cloud' (White Cloud McMinn's Manzanita )

Cercis

Cercis canadensis var. mexicana (Mexican Redbud)
Cercis canadensis var. texensis 'Oklahoma' (Oklahoma Redbud)
Cercis occidentalis (Western Redbud )
Cercis siliquastrum (Judus Tree )

Chilopsis

Chilopsis linearis (Desert Willow )

Cornus

Cornus florida (Flowering Dogwood )
Cornus kousa (Kousa Dogwood )
Cornus kousa 'Radiant Rose' (Radiant Rose Dogwood)

Cotoneaster

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

Cydonia

Cydonia oblonga (Quince)

Daphne

Daphne 'Lawrence Crocker' (Lawrence Crocker Daphne)
Daphne × burkwoodii (Burkwood Daphne)
Daphne odora (Fragrant Daphne )

Daphniphyllum

Daphniphyllum macropodum (False Daphne )

Erica

Erica × darleyensis (Darley Heath )

Eriogonum

Eriogonum fasciculatum (California Buckwheat )

Grevillea

Grevillea × 'Pink Pearl' (Pink Pearl Grevillea)
Grevillea rosmarinifolia (Rosemary Grevillea)

Hebe

Hebe 'Wiri Joy' (Wiri Joy Hebe)

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 )

Lonicera

Lonicera hispidula (Pink Honeysuckle )
Lonicera japonica (Japanese Honeysuckle)

Loropetalum

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

Melaleuca

Melaleuca nesophila (Pink Melaleuca )

Menziesia

Menziesia ciliicalyx var. multiflora (Mock Azalea )

Myrtus

Myrtus communis (Common Myrtle )

Punica

Punica granatum (Pomegranate)

Rhododendron (defines evaluations)

Rhododendron 'Dreamland' (Dreamland Rhrododendron)
Rhododendron mucronulatum 'Cornell Pink' (Cornell Pink Azalea)

Rhus

Rhus integrifolia (Lemonade Berry )
Rhus ovata (Sugar Bush)

Symphoricarpos

Symphoricarpos albus (Common Snowberry)
Symphoricarpos × doorenbosii (Doorenbos Snowberry )
Symphoricarpos × doorenbosii 'Magic Berry' (Magic Berry Snowberry )
Symphoricarpos mollis (Spreading Snowberry)
Symphoricarpos orbiculatus (Indiancurrant Coralberry )
Symphoricarpos rotondifolius (Roundleaf Snowberry)

Syringa

Syringa × hyacinthiflora (Early Flowering Lilac )
Syringa × hyacinthiflora 'Maiden's Blush' (Maiden's Blush (Early Flowering) Lilac )
Syringa meyeri 'Palibin' (Palibin Meyer Lilac)
Syringa patula 'Miss Kim' (Miss Kim Lilac )
Syringa × persica (Persian Lilac)
Syringa × prestoniae (Preston Lilac )
Syringa × prestoniae 'James Macfarlane' (James Macfarlane Lilac)
Syringa vulgaris (Common Lilac)

Vaccinium

Vaccinium corymbosum (Highbush Blueberry)
Vaccinium sikkimense (Sikkim Blueberry)