'CitylineŽ Vienna' Bigleaf Hydrangea 'CitylineŽ Berlin' Bigleaf Hydrangea
'CitylineŽ Paris' Bigleaf Hydrangea 'CitylineŽ Rio' Bigleaf Hydrangea
'CitylineŽ Venice' Bigleaf Hydrangea 'CitylineŽMars' Bigleaf Hydrangea
'Clairette' Dwarf Iris 'Clara Curtis' Korean Chrysanthemum
'Clara' Indian Hawthorn 'Claremont' California Holly: arbutifolia cerina
'Claremont' Maritime Ceanothus 'Clarence Simon' Daylily
'Clarence' Tall Bearded German Iris Clarke's Geranium 'Kashmir Purple'
Clarkia Clarkia, Botta's
'Clarks Giant' Lilac 'Clarks Red' Common Sugarbush
Clary Sage (spp.) 'Claryssa Blue' Painted Sage
'Claryssa Mix' Painted Sage Clasping Coneflower
'Classic Golden Orange' Creeping Zinnia: angustifolia 'Claude Barre' Penstemon
'Claudia Wannamaker' Southern Magnolia 'Claudie' Bigleaf Hydrangea
Clavelina Cactus Clematis (spp.)
Clematis 'Alexander' Clematis, Blue (spp.)
Clematis, Blue 'Hanajina' Clematis, Blue 'Rosea'
Clematis, Evergreen (spp.) Clematis, Fall
Clematis, Ground 'Purpurea' Clematis, Hybrid (spp.)
Clematis, Hybrid 'Asao' Clematis, Hybrid 'Blue Angel (Blekitny Aniol)'
Clematis, Hybrid 'Cardinal Wyszynski' Clematis, Hybrid 'Carnaby'
Clematis, Hybrid 'Dorota' Clematis, Hybrid 'Guernsey Cream'
Clematis, Hybrid 'John Paul II' Clematis, Hybrid 'Mme Le Coultre'
Clematis, Hybrid 'Montana Rubens' Clematis, Hybrid 'Mrs. N. Thompson'
Clematis, Hybrid 'Multi Blue' Clematis, Hybrid 'Pink Fantasy'
Clematis, Hybrid 'Ramona' Clematis, Hybrid 'Sho-Un'
Clematis, Hybrid 'Silver Moon' Clematis, Hybrid 'Snow Queen'
Clematis, Hybrid 'Sunset' Clematis, Hybrid 'Sweet Summer Love'
Clematis, Hybrid 'Vyvyan Pennell' Clematis, Hybrid 'Warsaw Nike'
Clematis, Hybrid 'Will Goodwin' Clematis, Jackman (spp.)
Clematis, Jackman 'Purpurea Superba' Clematis, Large Petal 'Markham's Pink'
Clematis, Scarlet 'Duchess of Albany' Clematis, Sweet Autumn
Clematis, Texas 'Duchess of Albany' Clematis, Tube 'Alan Bloom'
Clematis: (n) 'Jackmanii' Clematis: lanuginosa 'Red Cardinal'
Clematis: montana rubens Clematis: ochroleuca
Clematis: tangutica (spp.) Clematis: tangutica 'Helios'
Clematis: terniflora, Sweet Autumn 'Clembrook' American Boxwood
'Cleo' Daylily 'Cleopatra' Scarlet Sage: splendens
'Cleprizam' Callery Pear Clerodendrum, Showy
Clethra, Japanese 'Cleveland Morgan' Hen and Chickens
'Cleveland' Norway Maple 'Clevelandii' Peace Lily
Cleyera (spp.) Cleyera 'Burnished Gold'
Cleyera 'Greyou (SovereignŽ)' Cleyera Variegated
Cliff Bottlebrush Cliff Brake Fern
Cliff Green Cliff Maids (spp.)
Cliff Maids 'Ashwood Strain' Cliff Maids 'Hybrid Mix'