Adenium

Adenium obesum (Desert Rose )

Adenocarpus

Adenocarpus decorticans (Silver Broom )

Albizia

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

Alnus

Alnus glutinosa (Common Alder )
Alnus japonica (Japanese Alder)

Arbutus

Arbutus unedo (Strawberry Tree )

Arctostaphylos

Arctostaphylos × 'Austin Griffiths' (Austin Griffiths Manzanita)
Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos bakeri subsp. bakeri 'Louis Edmunds' (Louis Edmunds Manzanita)
Arctostaphylos canescens (Hoary 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 pumila (Sandmat Manzanita )
Arctostaphylos pungens (Ponitleaf Manzanita )
Arctostaphylos rudis (Shag Bark Manzanita )
Arctostaphylos tomentosa (Wolly Manzanita )
Arctostaphylos viridissima 'White Cloud' (White Cloud McMinn's Manzanita )

Argyrocytisus

Argyrocytisus battandieri (Pineapple Broom )

Aronia

Aronia arbutifolia (Red Chokeberry)
Aronia arbutifolia 'Brilliantissima' (Brilliant Red Chokeberry)

Artocarpus

Artocarpus altilis (Breadfruit)

Azadirachta

Azadirachta indica (Neem )

Bauhinia

Bauhinia variegata (Orchid Tree )

Berberis

Berberis darwinii (Darwin Barberry)
Berberis replicata (Evergreen Barberry)
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)

Camellia

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

Caragana

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

Carpinus

Carpinus japonica (Japanese Hornbeam)

Castanea

Castanea dentata (American Chestnut)
Castanea mollissima (Chinese Chestnut)
Castanea sativa (European Chestnut )

Ceratonia

Ceratonia siliqua (Carob )

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 )

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Chilopsis

Chilopsis linearis (Desert Willow )

Cinnamomum

Cinnamomum camphora (Camphor Tree )

Cladrastis

Cladrastis kentukea (American Yellowwood)

Cornus

Cornus alternifolia (Pagoda Dogwood)
Cornus controversa (Giant Dogwood)
Cornus controversa 'June Snow' (June Snow Giant Dogwood)

Corylopsis

Corylopsis (Winterhazel)
Corylopsis pauciflora (Buttercup Winterhazel)
Corylopsis spicata (Spike Winterhazel)

Corylus

Corylus americana (American Hazel )
Corylus avellana (Hazelnut )
Corylus avellana 'Contorta' (Contorted Filbert )
Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)

Cotoneaster

Cotoneaster congestus (Pyrenees Cotoneaster)
Cotoneaster dammeri (Bearberry Cotoneaster)
Cotoneaster dammeri 'Eichholz' (Eichholz Cotoneaster )
Cotoneaster lacteus (Parney Cotoneaster)
Cotoneaster lucidus (Hedge Cotoneaster)
Cotoneaster microphyllus (Littleleaf Cotoneaster)
Cotoneaster multiflorus (Many-flowered Cotoneaster)
Cotoneaster salicifolius (Willowleaf Cotoneaster)
Cotoneaster salicifolius 'Autumn Fire' (Autumn Fire Cotoneaster)
Cotoneaster simonsii (Simons Cotoneaster)

Crataegus

Crataegus 'Autumn Glory' (Autumn Glory Hawthorn)
Crataegus ambigua (Russian Hawthorn)
Crataegus crus-galli (Cockspur Hawthorn)
Crataegus laevigata (English Hawthorn )
Crataegus laevigata 'Pauls Scarlet' (Paul's Scarlet Hawthorn)
Crataegus × lavallei (Lavalle Hawthorn)
Crataegus monogyna 'Flexuosa' (Contorted Singleseed Hawthorn)
Crataegus phaenopyrum (Washington Hawthorn)
Crataegus punctata (Dotted Hawthorn )
Crataegus viridis (Green Hawthorn,)
Crataegus viridis 'Winter King' (Winter King Hawthorn )

Cydonia

Cydonia oblonga (Quince)