Cupflower (spp.) Cupflower 'Mont Blanc'
Cuphea 'David Verity' Cuphea 'Twinkle Pink'
Cupid's Bower 'Cupid's Dart' Blue Cupidone
Cupid's Dart (spp.) Cupid's Dart 'Cupid's Dart'
Curiosity Plant (spp.) Curiosity Plant 'Monstrosus'
Curly Leaf Tansy (spp.) Curly Leaf Tansy 'Crispum'
Curry Plant (spp.) Curry Plant: italicum serotinum
Curve Leaf Yucca Cushion Spurge
Cusick Quamash Cut Leaf Water Clover
Cut Mum (spp.) Cut Mum 'Alisha'
Cut Mum 'Ashley' Cut Mum 'Barbie'
Cut Mum 'Bethany' Cut Mum 'Bonnie'
Cut Mum 'Bright Gretchan' Cut Mum 'Cool Cheryl'
Cut Mum 'Darlene' Cut Mum 'Diana'
Cut Mum 'Durango' Cut Mum 'Fiona'
Cut Mum 'Flashy Gretchen' Cut Mum 'Frosty Jeanette'
Cut Mum 'Hankie' Cut Mum 'Harvard'
Cut Mum 'Hillside Pink Sheffield' Cut Mum 'Hope'
Cut Mum 'Irvine Currant' Cut Mum 'Irvine Dark Bronze'
Cut Mum 'Irvine Pink' Cut Mum 'Irvine Red'
Cut Mum 'Irvine Regal' Cut Mum 'Irvine Yellow'
Cut Mum 'Jacqueline' Cut Mum 'Jillian'
Cut Mum 'Jolly Cheryl' Cut Mum 'Mary'
Cut Mum 'Mia' Cut Mum 'Minnautumn'
Cut Mum 'Miranda' Cut Mum 'Phyllis'
Cut Mum 'Plus' Cut Mum 'Priscilla'
Cut Mum 'Richmond' Cut Mum 'Rivendell'
Cut Mum 'Rock' Cut Mum 'Sheffield'
Cut Mum 'Sly-Jenna' Cut Mum 'Sparkling Cheryl'
Cut Mum 'Spirit Lake' Cut Mum 'Swing'
Cut Mum 'Theresa' Cut Mum 'White Needle'
Cut Mum 'Wilma' Cut Mum 'Yellow Sharp'
Cut-leaf Anemone 'Rubra' Cutleaf Coneflower (spp.)
Cutleaf Coneflower 'Goldquelle' Cutleaf Daisy
'Cutleaf' Japanese Pachysandra Cut-leaved Mallow (spp.)
Cut-leaved Mallow 'Fastigiata' Cutpetal Bush Monkey Flower
Cyanastrum Cyclamen, Florist's
Cyclamen, Greenhouse 'Cygnet' Foamflower: Tiarella
'Cygnet White' Coneflower Cymbidium Orchid (spp.)
Cymbidium Orchid 'Mary Bea' Cyperus
Cypress Spurge 'Cytherea' Common Garden Peony
Daffodil 'Delta' Daffodil 'Falconer'
Daffodil 'Foundling' Daffodil 'Ice Follies'
Daffodil 'Meeting' Daffodil 'Milan'
Daffodil 'Punchline' Daffodil, Fall
Daffodil, Hoop & Petticoat Daffodil, Sea
Daffodil, Wild Daffodil, Winter
Dagger, Spanish (spp.) Dagger, Spanish 'Marginata'
Dagger, Spanish Variegated