Abelia

Abelia × grandiflora (Glossy Abelia)

Adenium

Adenium obesum (Desert Rose )

Agave

Agave macroacantha (Black-spinned Agave)

Aleurites

Aleurites moluccanus (Candelnut)
Aleurites rockinghamensis (Candelnut)

Andromeda

Andromeda polifolia (Bog Rosemary)

Arctostaphylos

Arctostaphylos × 'Austin Griffiths' (Austin Griffiths Manzanita)
Arctostaphylos andersonii (Santa Cruz 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 (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 )

Artocarpus

Artocarpus altilis (Breadfruit)

Bauhinia

Bauhinia variegata (Orchid Tree )

Calluna

Calluna vulgaris (Scotch Heather )
Calluna vulgaris 'Firefly' (Firefly Scotch Heather)
Calluna vulgaris 'Robert Chapman' (Robert Chapman Scotch Heather)
Calluna vulgaris 'Wickwar Flame' (Wickwar Flame Scotch Heather)

Camellia

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

Carpenteria

Carpenteria californica (Bush Anemone)

Ceanothus

Ceanothus 'Dark Star' (Dark Star Ceanothus)
Ceanothus cuneatus var. rigidus 'Snowball' (Snowball Ceanothus)
Ceanothus gloriosus (Point Reyes Ceanothus )

Ceratonia

Ceratonia siliqua (Carob )

Choisya

Choisya ternata (Mexican Orange)
Choisya ternata 'Sundance' (Sundance Mexican Orange )

Coleogyne

Coleogyne ramosissima (Blackbrush)

Crinodendron

Crinodendron hookerianum (Chilean Lantern Tree)

Daphne

Daphne cneorum (Garland Daphne )

Delonix

Delonix regia (Royal Poinciana)

Distylium

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

Eriogonum

Eriogonum fasciculatum (California Buckwheat )

Eucalyptus

Eucalyptus urnigera (Urn Gum)

Fremontodendron

Fremontodendron (Flannel Bush )

Grevillea

Grevillea robusta (Silky Oak )

Hakea

Hakea microcarpa (Small-fruited Hakea)

Hesperaloe

Hesperaloe parviflora (Red Yucca)

Kalmia

Kalmia polifolia (Bog Laurel )

Lagerstroemia

Lagerstroemia floribunda (Asian Crape Myrtle )

Lapageria

Lapageria rosea (Chilean Bellflower )

Larrea

Larrea tridentata (Creosote Bush)

Leucothoe

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

Loropetalum

Loropetalum chinense var. rubrum (Pink-flowering Fringe-flower )
Loropetalum chinense var. rubrum Plum Delight™ (Plum Delight Fringe-flower)

Magnolia

Magnolia ernestii (Yellow Lily Tree)
Magnolia lotungensis (Eastern Joy Lotus Tree)

Nerium

Nerium oleander (Oleander)

Olneya

Olneya tesota (Ironwood)

Pachysandra

Pachysandra procumbens (Allegheny Pachysandra)

Pieris

Pieris formosa var. forrestii (Chinese Pieris )
Pieris japonica (Japanese Pieris )
Pieris japonica var. yakushimanum 'Prelude ' (Prelude Pieris )
Pieris japonica 'Valley Valentine' (Valley Valentine Pieris)
Pieris japonica 'Variegata' (Variegated Peiris)
Pieris japonica 'Flaming Silver' (Flaming Silver Pieris)

Pittosporum

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

Quillaja

Quillaja saponaria (Soap-bark Tree )

Rhododendron (defines evaluations)

Rhododendron groenlandicum (Labrador-tea)

Rosmarinus

Rosmarinus officinalis (Rosemary)

Santolina

Santolina chamaecyparissus (Lavender Cotton)
Santolina virens (Green Lavender Cotton )

Spathodea

Spathodea campanulata (African Tulip Tree)

Tibouchina

Tibouchina urvilleana (Princess Flower )

Washingtonia

Washingtonia filifera (California Fan Palm )

Yucca

Yucca filamentosa (Adam's Needle Yucca)
Yucca glauca ( Small Soapweed )
Yucca rostrata (Big Bend Yucca )