Cotoneaster 'Erlinda' Cotoneaster (spp.)
Cotoneaster, Creeping Cotoneaster, Hedge
Cotoneaster, Parney Cotoneaster, Willowleaf (spp.)
Cotoneaster, Willowleaf 'Repens' Cotoneaster, Willowleaf 'Scarlet Leader'
Cotoneaster: affinis Cotoneaster: congestus
Cotoneaster: multiflorus Cotoneaster: sabrinus
'Cotton Candy' Azalea 'Council Fire' Possum Haw Holly
'County Wicklow' Scotch Heather 'Courage' Rose
Cowberry Cow's Tail Pine (spp.)
Cow's Tail Pine 'Fastigiata' Cow's Tail Pine 'Korean Gold'
Cow's Tail Pine 'Prostrata' Coyote Brush: pilularis consanguinea
Coyote Bush Coyote Bush: pilularis consanguinea
Crabapple 'David' Crabapple 'Dorothea'
Crabapple 'Jewelberry' Crabapple 'Mary Potter'
Crabapple 'Prairifire' Crabapple 'Profusion'
Crabapple 'Red Jade' Crabapple 'Red Jewel™'
Crabapple 'Spring Sensation™' Crabapple, Flowering 'David'
Crabapple, Flowering 'Dorothea' Crabapple, Flowering 'Jewelberry'
Crabapple, Flowering 'Mary Potter' Crabapple, Flowering 'Prairifire'
Crabapple, Flowering 'Profusion' Crabapple, Flowering 'Red Jade'
Crabapple, Flowering 'Red Jewel™' Crabapple, Flowering 'Spring Sensation™'
Crabapple, Sargent (spp.) Crabapple, Sargent 'Tina'
'Cracovia' Common Juniper Crampbark (spp.)
Crampbark 'Compactum' Crampbark Dwarf
Crampbark 'Notcutt' Crampbark 'Park Harvest'
Crampbark 'Roseum' Cranberry
Cranberry, European Highbush (spp.) Cranberry, European Highbush 'Compactum'
Cranberry, European Highbush Dwarf Cranberry, European Highbush 'Notcutt'
Cranberry, European Highbush 'Park Harvest' Cranberry, European Highbush 'Roseum'
Cranberry, Highbush (spp.) Cranberry, Highbush 'Alfredo'
Cranberry, Highbush 'Compactum' Cranberry, Highbush Dwarf
Cranberry, Highbush 'Wentworth' Cranberrybush (spp.)
Cranberrybush 'Alfredo' Cranberrybush 'Compactum'
Cranberrybush Dwarf Cranberrybush 'Wentworth'
Crapemyrtle (spp.) Crapemyrtle 'Caddo'
Crapemyrtle 'Christiana' Crapemyrtle 'Magenta Red'
Crapemyrtle 'Pecos' Crapemyrtle 'Snow Baby'
Crapemyrtle, Queen's Crapemyrtle: indica 'Baton Rouge'
Crapemyrtle: indica 'Bourbon Street' Crapemyrtle: indica 'Chica Red™'
Crapemyrtle: indica 'Delta Blush' Crapemyrtle: indica 'Houston'
Crapemyrtle: indica 'New Orleans' Crapemyrtle: indica 'Ozark Spring'
Crapemyrtle: indica 'Petite Embers™' Crapemyrtle: indica 'Petite Orchid™'
Crapemyrtle: indica 'Petite Pinkie™' Crapemyrtle: indica 'Petite Plum™'
Crapemyrtle: indica 'Petite Red Imp™' Crapemyrtle: indica 'Pink Blush'
Crapemyrtle: indica 'Pixie White' Crapemyrtle: indica 'Royalty'
Crapemyrtle: indica 'Velma's Royal Delight' Crapemyrtle: indica 'Victor'
Crapemyrtle: indica 'World's Fair' Creambush
Creashak 'Point Reyes' Creashak 'Radiant'