Carribean Spider Lily 'Carrierei' Wintercreeper
Carrion Flower Carrizo Variegated
Carrot Carrot Weed
Carrot, Moon Carrot, Wild
Carrotwood Cart Track Plant (spp.)
Cart Track Plant 'Atropurpurea' Cart Track Plant 'Rubrifolia'
Casada, Wild Cascade Fir
'Cascade Pink' Azalea 'Cascade' Possum Haw Holly
Cascade Speedwell 'Cascadia Chateau' Garden Petunia
Cascalote Case Knife Bean
Cashew Cashmere Bouquet
Cashmere Sage Caspian Locust Dwarf
Caspian Lotus Cassava, Bitter 'Lani'
Cassava, Bitter Variegated Cassia
Cassia, Bahama Cassia, Desert
Cassia: fasciculata Cassie, Roman
Cassine Cassine Holly
Cassine: papillosa Cast Iron Plant
'Castle Orange' Plume Celosia 'Castle Spire®' Meserve Holly
'Castle Wall™' Meserve Holly 'Castlewellan' Cherry Laurel
Castor Aralia Castor Bean (spp.)
Castor Bean 'Carmencita' Castor Bean 'Impala'
Castor Bean 'Zanzibariensis' Castor Oil Plant (spp.)
Castor Oil Plant 'Carmencita' Castor Oil Plant 'Impala'
Castor Oil Plant 'Zanzibariensis' Castor Oil Tree, Prickly
Catalina Cherry Catalina Currant
Catalina Mountain Lilac (spp.) Catalina Mountain Lilac 'Trewithen Blue'
Catalina Perfume Catalpa
Catalpa, Chinese Catalpa, Early Flowering (spp.)
Catalpa, Early Flowering Golden Catalpa, Early Flowering 'Pulveralenta'
Catalpa, Farges Catalpa, Hardy (spp.)
Catalpa, Hardy Golden Catalpa, Hardy 'Pulveralenta'
Catalpa, Northern (spp.) Catalpa, Northern Golden
Catalpa, Northern 'Pulveralenta' Catalpa, Southern (spp.)
Catalpa, Southern Dwarf Catalpa, Southern Golden
Catalpa, Western (spp.) Catalpa, Western Golden
Catalpa, Western 'Pulveralenta' Catalpa: spp.
Catawba Rhododendron (spp.) Catawba Rhododendron 'Boursault'
Catawba Rhododendron White Catawba, Rosebay (spp.)
Catawba, Rosebay 'Boursault' Catawba, Rosebay White
Catbrier Catchfly
Catchfly 'Electra' Catchfly, Arkwright's 'Orange Gnome'
Catchfly, Arkwright's 'Vesuvius' Catchfly: latifolia
Catchfly: polypetala Catepillar Cactus
Catesbey's Pitcher Plant Cathedral Cactus
'Cathedral Oak™ (Shadowlawn)' Southern Live Oak Cathedral Window
'Cathedral Windows' Alumroot: Heuchera 'Catherine Marie' Waterlily
'Catherine Neal' Daylily 'Catherine Woodbury' Daylily
'Cathy Stroupe' Waterlily 'Catlin's Giant' Carpet Bugle