Cascade Fir 'Cascade' Possum Haw Holly
Cascalote Cassia, Bahama
Cassia: fasciculata Cassine Holly
Catalina Cherry Catalina Currant
Catalina Mountain Lilac (spp.) Catalina Mountain Lilac 'Trewithen Blue'
Catalina Perfume Catalpa, Early Flowering (spp.)
Catalpa, Early Flowering 'Pulveralenta' Catalpa, Hardy (spp.)
Catalpa, Hardy 'Pulveralenta' Catalpa, Northern (spp.)
Catalpa, Northern 'Pulveralenta' Catalpa, Southern (spp.)
Catalpa, Southern Dwarf Catalpa, Southern Golden
Catalpa, Western (spp.) 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: polypetala Catepillar Cactus
'Cathedral Oak™ (Shadowlawn)' Southern Live Oak Cat's Claw
Cats Ears 'Rubra' Cattail, Broadleaf
Cattail, Narrow Leaved Ceanothus 'Rodeo Lagoon'
Ceanothus (spp.) Ceanothus 'Skylark'
Ceanothus, Carmel (spp.) Ceanothus, Carmel 'Carmel Creeper'
Ceanothus, Carmel 'Hurricane Point' Ceanothus, Carmel 'Louis Edmunds'
Ceanothus, Feltleaf (spp.) Ceanothus, Feltleaf 'Trewithen Blue'
Ceanothus, Green bark Ceanothus, Hairy
Ceanothus, Jimbrush Ceanothus, Maritime 'Claremont'
Ceanothus, Maritime 'Dusty Dawn' Ceanothus, Monterey 'Snowball'
Ceanothus, Navarro (spp.) Ceanothus, Point Reyes
Ceanothus, Santa Barbara (spp.) Ceanothus, Santa Barbara 'Vandenberg'
Ceanothus, Warty-stem Ceanothus, White Coast
Ceanothus: cuneatus rigidus Ceanothus: gloriosus, Point Reyes
Ceanothus: hybrid 'Blue Buttons' Ceanothus: hybrid 'Dark Star'
Ceanothus: hybrid 'Gentian Plume' Ceanothus: hybrid 'Joyce Coulter'
Ceanothus: hybrid 'Julia Phelps' Ceanothus: hybrid 'Knowles Ryerson'
Ceanothus: hybrid 'Santa Ana' Ceanothus: hybrid 'Sierra Snow'
Ceanothus: hybrid 'Spring Valley' Ceanothus: spp.
Ceanothus: veitchianushybrid 'Cecilia' White Spruce