'Cadillac' Hosta 'Caesar's Brother' Siberian Iris
Caladium, Fancy Leaved (spp.) Caladium, Fancy Leaved 'Candidum'
Caladium, Fancy Leaved 'F.M. Joyner' Caladium, Fancy Leaved 'Rosebud'
Calamint, Large Flowered (spp.) Calamint, Large Flowered Variegated
Calamint, Lesser 'White Cloud' Calandrinia
Calathea Calibrachoa 'Colorful Expressions™ Cherry Rose'
Calibrachoa 'Colorful Expressions™ Cranberry' Calibrachoa 'Colorful Expressions™ Rose'
Calibrachoa 'Colorful Expressions™ Scarlet Red' Calibrachoa 'Million Bells®Cherry Pink'
Calibrachoa 'Spring Fling Rose Improved' Calibrachoa 'Starlette Trailing Pink'
Calibrachoa 'Superbells® Cherry Red' Calibrachoa 'Superbells® Pink'
Calibrachoa 'Superbells® Red' Calibrachoa 'Superbells® Tequila Sunrise'
Calibrachoa 'Superbells® White' Calico Aster 'Lady in Black'
Calico Aster 'Prince' Calico Plant 'Party Time'
Calico Plant 'Rubiginosa' Calico Plant 'Ruby'
California Blue-eyed Grass (spp.) California Blue-eyed Grass 'Rocky Point'
California Fuchsia (spp.) California Mountain Fuchsia
California Pitcher Plant California Tree Poppy
California Tree Poppy: coulteri Camas, Blue White
Camas, Giant Blue 'Coerulea' Camash, Common White
'Cambodian Queen' Hardy Chrysanthemum 'Cambridge Blue' Gentian Sage
Cambridge Geranium (spp.) Cambridge Geranium 'Biokovo'
Cambridge Geranium 'Biokovo Karmina' 'Cameo Cascade' Tall Bearded German Iris
'Cameo Mix' Dwarf Columbine 'Cameo Pink-White' Dwarf Columbine
'Camilla' Spotted Dumbcane 'Camp Bule(Starina™Bedding Bell)' Bellflower: Campanula
'Camp Bulewhit(Starina™BicolorStar)' Bellflower: Campanula 'Camp Inbule(Starina™Blue Star)' Bellflower: Campanula
'Camp Whit(Starina™White Star)' Bellflower: Campanula 'Campfire' Crassula
Campion 'Nana Peggy' Campion, Arkwright's 'Orange Gnome'
Campion, Arkwright's 'Vesuvius' Campion, Bladder (spp.)
Campion, Bladder 'Druett's Variegated' Campion, Fringed
Campion, Rose (spp.) Campion, Rose 'Dancing Ladies'
Campion, Rose 'Gardener's World' Campion, Sea (spp.)
Campion, Sea 'Druett's Variegated' Campion, White
'Can Can' Alumroot: Heuchera Canada Anemone
Canada Lily Canada Wild Ginger
Canadian Bunchberry Canadian Lily
Canadian Thistle Canary Creeper
Canary Island Marguerite (spp.) Canary Island Spurge
Cancer Weed 'Burgundy Bliss' Cancer Weed 'Purple Knockout'
Candelabra Aloe (spp.) Candelabra Aloe Variegated
Candelabra Cactus Candelabra Dahlia
Candelabra Primrose Candelabra Spurge
Candelabra Tree Euphorbia (spp.) 'Candidum' Fancy Leaved Caladium
Candle Larkspur (spp.) Candle Larkspur 'Blushing Brides'
Candle Larkspur 'Innocence' Candle Larkspur 'Magic Fountains'
Candle Larkspur 'New Millennium Mix' Candle Larkspur 'Pagan Purples'
Candle Larkspur 'Royal Aspirations' Candle Larkspur 'Sunny Skies'
Candle, Desert (spp.) Candle, Desert 'Bright Edge'
Candle, Desert 'Color Guard' Candle, Desert 'Golden Sword'
Candle, Desert Variegated Candy Barrel Cactus
Candy Corn Plant 'Candy Hearts' Hosta
Candy Lily (spp.) Candy Lily 'Dazzler'
'Candy Stripes' Moss Phlox 'Candy® Coral Bee' Double Impatiens
'Candy® Deep Salmon' Double Impatiens 'Candy® Mix' Double Impatiens
'Candy® Rose Star' Double Impatiens Candytuft
Candytuft, Edging (spp.) Candytuft, Edging 'Autumn Beauty'
Candytuft, Edging 'Dick Self' Candytuft, Edging 'Little Gem'
Candytuft, Edging 'Majestic' Candytuft, Edging 'Purity'
Candytuft, Edging 'Snowflake' Candytuft, Evergreen (spp.)
Candytuft, Evergreen 'Autumn Beauty' Candytuft, Evergreen 'Dick Self'
Candytuft, Evergreen 'Little Gem' Candytuft, Evergreen 'Majestic'
Candytuft, Evergreen 'Purity' Candytuft, Evergreen 'Snowflake'