Celosia argentea (Cristata Group) Celosia argentea (Cristata Group) 'Amigo'
Celosia argentea (Cristata Group) 'Bombay Purple' Celosia argentea (Cristata Group) 'Bombay Yellow Gold'
Celosia argentea (Cristata Group) 'Jewel Box Golden Yellow' Celosia argentea (Cristata Group) 'Jewel Box Salmon'
Celosia argentea (Cristata Group) 'Kardinal Improved' Celosia argentea (Cristata Group) 'Karume'
Celosia argentea (Cristata Group) 'Prestige Scarlet' Celosia argentea (Cristata Group) 'Purple with purple leaves'
Celosia argentea (Cristata Group) 'Red Velvet' Celosia argentea (Cristata Group) 'Startrek Rose Pink'
Celosia argentea (Plumosa Group) Celosia argentea (Plumosa Group) 'Apricot Brandy'
Celosia argentea (Plumosa Group) 'Castle Orange' Celosia argentea (Plumosa Group) 'Fresh Look Gold'
Celosia argentea (Plumosa Group) 'Fresh Look Orange' Celosia argentea (Plumosa Group) 'Fresh Look Red'
Celosia argentea (Plumosa Group) 'Fresh Look Yellow' Celosia argentea (Plumosa Group) 'New Look'
Celosia argentea (Plumosa Group) 'Orange Kewpie' Celosia argentea (Plumosa Group) 'Pink Castle'
Celosia argentea (Plumosa Group) 'Red Kewpie' Celosia argentea (Plumosa Group) 'Yellow'
Celosia argentea (Spicata Group) 'Flamingo' Celosia argentea (Spicata Group) 'Kosmo Purple Red'
Celosia argentea (Spicata Group) 'Purple Flamingo' Centaurea cineraria 'Colchester White'
Centaurea cyanus Centaurea cyanus 'Florence White'
Cerinthe major Chaenorrhinum origanifolium 'Summer Skies'
Chenopodium album Chrysanthemum x 'Minnruby'
Chrysanthemum carinatum Chrysanthemum coronarium 'Primrose Gem'
Chrysocephalum 'Flambe™ Orange' Chrysocephalum 'Flambe™ Yellow'
Chrysocephalum apiculatum 'Flochrora (Flambe® Orange)' Citrullus lanatus
Citrullus lanatus 'Seedless Red Flesh' Citrullus lanatus 'Sweet Beauty'
Clarkia amoena Clarkia amoena 'Dwarf Mix Improved'
Clarkia bottae Clarkia pulchella
Cleome hassleriana Cleome hassleriana 'Helen Campbell'
Cleome hassleriana 'Linde Armstrong' Cleome hassleriana 'Purple Queen'
Cleome hassleriana 'Sparkler Mix' Cleome hassleriana 'White Queen'
Clerodendrum speciosissimum Consolida ambigua
Coreopsis tinctoria Coreopsis tinctoria 'Mahogany Midget'
Coreopsis tinctoria 'Mardi Gras' Corydalis micrantha
Cosmos bipinnatus Cosmos bipinnatus 'Early Wonder'
Cosmos bipinnatus 'Sonata White' Cosmos sulphureus
Cosmos sulphureus 'Cosmic Orange' Cosmos sulphureus 'Cosmic Red'
Cosmos sulphureus 'Cosmic Yellow' Cosmos sulphureus 'Ladybird Scarlet'
Cosmos sulphureus 'Lemon Twist' Cosmos sulphureus 'Sunny Red'
Cotula coronopifolia Cucumis melo
Cucumis melo 'Angel' Cucumis sativus 'Diva'
Cucurbita 'Cornell's' Cucurbita 'Papaya Pear'
Cucurbita pepo 'Butterstick' Cucurbita pepo 'Orange Smoothie'
Cucurbita pepo 'Sorcerer' Cucurbita pepo 'Sunshine'
Cuphea ignea Cuphea lanceolata
Cuphea llavea Dahlia 'Bloodstone'
Dahlia 'Camano Choice' Dahlia 'Elise Huston'
Dahlia 'Ferncliff Flamingo' Dahlia 'Harvest Amanda'
Dahlia 'Paratola Sunrise' Dahlia 'Red Riding Hood'
Dahlia 'Thomas Edison' Datura metel
Datura stramonium Datura wrightii
Delosperma 'Alba' Delosperma 'Mesa Verde'
Delosperma brunnthaleri 'Pink' Delosperma brunnthaleri 'Yellow'
Delosperma cooperi Delosperma nubigerum
Delphinium nudicaule Dianella tasmanica