Abelia

Abelia × 'Edward Goucher' (Edward Goucher Abelia)
Abelia × grandiflora (Glossy Abelia)
Abelia × grandiflora 'Francis Mason' (Francis Mason Glossy Abelia)
Abelia × grandiflora 'Kaleidoscope' (Kaleidoscope Glossy Abelia)
Abelia × grandiflora 'Sunrise' (Sunrise Glossy Abelia)

Abeliophyllum

Abeliophyllum distichum (White Forsythia )

Acer

Acer carpinifolium (Hornbeam Maple)
Acer coriaceifolium (Leatherleaf Maple)
Acer henryi (Henry's Maple)
Acer sempervirens (Cretan Maple)

Aesculus

Aesculus californica (California Buckeye )
Aesculus glabra var. arguta (Texas Buckeye )
Aesculus parviflora (Bottlebrush Buckeye)
Aesculus pavia (Red Buckeye)
Aesculus pavia 'Humilis' (Dwarf Red Buckeye)
Aesculus sylvatica (Painted Buckeye )

Aucuba

Aucuba japonica (Japanese Aucuba )
Aucuba japonica 'Mr. Goldstrike' (Mr. Goldstrike Aucuba)
Aucuba japonica 'Picturata' (Picturata Aucuba)
Aucuba japonica 'Variegata' (Gold Dust Plant )

Azara

Azara microphylla (Boxleaf Azara)
Azara microphylla 'Variegata' (Variegated Boxleaf Azara)

Berberis

Berberis jamesiana (James Barberry)

Buddleia

Buddleia × 'Blue Chip' (Blue Chip Buddleia)
Buddleia davidii (Butterfly Bush)
Buddleia globosa (Orange Butterfly Bush )
Buddleia × weyeriana 'Honeycomb' (Honeycomb Butterfly Bush)

Buxus

Buxus bodinieri (Bodinier's Boxwood)
Buxus microphylla 'Compacta' (Kingsville Dwarf )
Buxus microphylla var. koreana (Korean Littleleaf Boxwood)
Buxus microphylla var. koreana 'Winter Gem' (Winter Gem Boxwood)
Buxus microphylla var. koreana 'Wintergreen' (Wintergreen Boxwood)
Buxus sempervirens (Common Boxwood )
Buxus sempervirens 'Arborescens' (Truetree Boxwood)
Buxus sempervirens 'Aurea-pendula' (Aurea-pendula Boxwood )
Buxus sempervirens 'Latifolia Maculata' (Latifolia Maculata Boxwood)
Buxus sempervirens 'Suffruticosa' (Edging Boxwood)
Buxus sempervirens 'Variegata' (Variegata Boxwood)

Callicarpa

Callicarpa americana (American Beautyberry )
Callicarpa bodinieri 'Profusion' (Profusion Beautyberry)
Callicarpa dichotoma (Purple Beautyberry)
Callicarpa dichotoma 'Albifructus' (White Fruited Beautyberry)
Callicarpa japonica (Japanese Beautyberry)

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)

Calycanthus

Calycanthus × 'Aphrodite' (Aphrodite Sweetshrub)
Calycanthus floridus (Carolina Allspice )
Calycanthus occidentalis (Western Spicebush )
Calycanthus × raulstonii 'Hartlage Wine' (Hartlage Wine Sweetbush )

Carissa

Carissa macrocarpa (Natal Plum)

Carpenteria

Carpenteria californica (Bush Anemone)

Ceanothus

Ceanothus 'Dark Star' (Dark Star Ceanothus)
Ceanothus cuneatus (Narrowleaf Buckbrush )
Ceanothus cuneatus var. rigidus 'Snowball' (Snowball Ceanothus)
Ceanothus gloriosus (Point Reyes Ceanothus )
Ceanothus impressus (Santa Barbara Ceanothus)

Cephalanthus

Cephalanthus occidentalis (Buttonbush )

Cercidiphyllum

Cercidiphyllum japonicum 'Amazing Grace' (Amazing Grace Weeping Katsura Tree)

Chilopsis

Chilopsis linearis (Desert Willow )

Chimonanthus

Chimonanthus praecox (Fragrant Wintersweet)

Chionanthus

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

Choisya

Choisya × dewitteana 'Aztec Pearl' (Aztec Pearl Choisya)
Choisya ternata (Mexican Orange)
Choisya ternata 'Sundance' (Sundance Mexican Orange )

Cistus

Cistus 'Ann Palmer' (Ann Palmer Rockrose)
Cistus 'Doris Hibberson' (Doris Hibberson Rockrose)
Cistus 'Elma' (Elma Rockrose)
Cistus 'Grayswood Pink' (Grayswood Pink Rockrose)
Cistus 'Snow Fire' (Snow Fire Rockrose)
Cistus 'Victor Reiter' (Victor Reiter Rockrose)
Cistus × corbariensis (White Rockrose)
Cistus × crispatus 'Warley Rose' (Warley Rose Rockrose)
Cistus × dansereaui 'Decumbens' (Decumbens Rockrose)
Cistus × florentinus 'Fontfroide' (Fontfroide Rockrose)
Cistus ladanifer (Common Gum Rockrose)
Cistus × oblongifolius (Oblongifolius Rockrose)
Cistus × pulverulentus 'Sunset' (Sunset Rockrose)
Cistus × purpureus (Orchid Rockrose)

Clerodendrum

Clerodendrum trichotomum (Harlequin Glorybower )
Clerodendrum trichotomum 'Stargazer' (Stargazer Harlequin Glorybower)

Coleogyne

Coleogyne ramosissima (Blackbrush)

Cornus

Cornus alba (Tatarian Dogwood )
Cornus amomum (Silky Dogwood)
Cornus capitata (Evergreen Dogwood )
Cornus drummondii (Rough-leaved Dogwood)
Cornus florida (Flowering Dogwood )
Cornus florida 'Welchii' (Tricolor Dogwood )
Cornus kousa (Kousa Dogwood )
Cornus kousa 'Gold Star' (Gold Star 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 officinalis (Japanese Cornelian Dogwood )
Cornus racemosa (Gray Dogwood )
Cornus sanguinea (Bloodtwig Dogwood)
Cornus sanguinea 'Midwinter Fire' (Midwinter Fire Dogwood)