Adenium

Adenium obesum (Desert Rose )

Adenocarpus

Adenocarpus decorticans (Silver Broom )

Albizia

Albizia julibrissin (Silk Tree )
Albizia julibrissin 'Summer Chocolate' (Summer Chocolate Silk Tree)

Arbutus

Arbutus menziesii (Pacific Madrone )

Arctostaphylos

Arctostaphylos × 'Austin Griffiths' (Austin Griffiths 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 hookeri subsp. franciscana (Franciscan Manzanita)
Arctostaphylos insularis (Island Manzanita)
Arctostaphylos manzanita (Parry Manzanita )
Arctostaphylos manzanita 'St. Helena' (St. Helena 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 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 )

Argyrocytisus

Argyrocytisus battandieri (Pineapple Broom )

Artocarpus

Artocarpus altilis (Breadfruit)

Bauhinia

Bauhinia variegata (Orchid Tree )

Berberis

Berberis thunbergii (Japanese Barberry)
Berberis thunbergii 'Aurea' (Golden Japanese Barberry)
Berberis thunbergii Golden Nugget™ (Golden Nugget Barberry)
Berberis thunbergii 'Kobold' (Kobold Japanese Barberry)
Berberis thunbergii Sunsation™ (Sunsation Barberry)
Berberis thunbergii var. atropurpurea 'Crimson Pigmy' (Crimson Pigmy Japanese Barberry)
Berberis thunbergii var. atropurpurea 'Golden Ring' (Golden Ring Barberry)
Berberis thunbergii var. atropurpurea 'Rose Glow' (Rose Glow Barberry)

Calycanthus

Calycanthus floridus (Carolina Allspice )

Caragana

Caragana arborescens (Siberian Peashrub )
Caragana arborescens 'Lorbergii' (Lorberg Peashrub )
Caragana frutex 'Globosa' (Globe Russian Peashrub )
Caragana pygmaea (Pygmy Peashrub )

Carissa

Carissa macrocarpa (Natal Plum)

Carpenteria

Carpenteria californica (Bush Anemone)

Catalpa

Catalpa bignonioides (Southern Catalpa )
Catalpa × erubescens 'Purpurea' (Purple Catalpa)
Catalpa speciosa (Northern Catalpa )

Ceanothus

Ceanothus integerrimus (Deer Brush)

Ceratonia

Ceratonia siliqua (Carob )

Cercidiphyllum

Cercidiphyllum japonicum (Katsura )

Cercis

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

Chilopsis

Chilopsis linearis (Desert Willow )

Chionanthus

Chionanthus retusus (Chinese Fringetree)
Chionanthus virginicus (White Fringetree)

Chrysolepis

Chrysolepis chrysophylla (Golden Chinkapin )

Cinnamomum

Cinnamomum camphora (Camphor Tree )

Cladrastis

Cladrastis kentukea (American Yellowwood)

Cornus

Cornus alba (Tatarian Dogwood )
Cornus alternifolia (Pagoda Dogwood)
Cornus amomum (Silky Dogwood)
Cornus canadensis (Bunchberry)
Cornus capitata (Evergreen Dogwood )
Cornus controversa (Giant Dogwood)
Cornus controversa 'June Snow' (June Snow Giant Dogwood)
Cornus drummondii (Rough-leaved Dogwood)
Cornus × elwinortonii Starlight® (Starlight Dogwood)
Cornus florida (Flowering Dogwood )
Cornus florida 'Golden Nugget' (Golden Nugget Dogwood)
Cornus florida 'Welchii' (Tricolor Dogwood )
Cornus kousa (Kousa Dogwood )
Cornus kousa 'Radiant Rose' (Radiant Rose Dogwood)
Cornus kousa 'Sunsplash' (Sunsplash Dogwood)
Cornus kousa 'Wolf Eyes' (Wolf Eyes Dogwood)
Cornus mas (Corneliancherry Dogwood)
Cornus nuttallii (Pacific Dogwood )
Cornus nuttallii 'Goldspot' (Goldspot Dogwood, )
Cornus officinalis (Japanese Cornelian Dogwood )
Cornus racemosa (Gray Dogwood )
Cornus sanguinea (Bloodtwig Dogwood)
Cornus sanguinea 'Midwinter Fire' (Midwinter Fire Dogwood)
Cornus sericea (Redosier Dogwood )
Cornus sericea subsp. sericea 'Argenteo-marginata' (Variegated Dogwood )
Cornus sericea subsp. sericea 'Elegantissima' (Variegated Tatarian Dogwood )
Cornus sericea subsp. sericea 'Flaviramea' (Golden Twig Dogwood )
Cornus sericea subsp. sericea 'Hessei' (Siberian Dogwood )
Cornus sericea subsp. sericea Ivory Halo™ (Ivory Halo Dogwood )

Cotoneaster

Cotoneaster congestus (Pyrenees Cotoneaster)