Cistus, Common Gum Citriobatus
Citrus 'CitylineŽ Vienna' Bigleaf Hydrangea
'CitylineŽ Berlin' Bigleaf Hydrangea 'CitylineŽ Paris' Bigleaf Hydrangea
'CitylineŽ Rio' Bigleaf Hydrangea 'CitylineŽ Venice' Bigleaf Hydrangea
'CitylineŽMars' Bigleaf Hydrangea 'Clara' Indian Hawthorn
'Claremont' California Holly: arbutifolia cerina 'Claremont' Maritime Ceanothus
'Clarks Giant' Lilac 'Claudia Wannamaker' Southern Magnolia
'Claudie' Bigleaf Hydrangea 'Clembrook' American Boxwood
'Cleprizam' Callery Pear Clerodendrum, Showy
Clethra, Japanese 'Cleveland' Norway Maple
Cleyera (spp.) Cleyera 'Burnished Gold'
Cleyera 'Greyou (SovereignŽ)' Cleyera Variegated
Cliff Bottlebrush Cliff Green
Climbing Bittersweet Climbing Fetterbush
Climbing Hydrangea 'Firefly' Climbing Hydrangea: barbara
Climbing Spindleberry Clock Vine
Clock Vine, Bush 'Cloth of Gold' American Arborvitae
'Cloud 9' Flowering Dogwood 'Cloud Bank Jenny' Conebush
Cloudland Rhododendron Clusterberry, Red
Coach Whip Coast Araucaria
Coast Fan Flower Coast Live Oak
Coast Redwood (spp.) Coast Redwood 'Filoli'
Coast Redwood 'Prostrata' Coast Redwood 'Soquel'
Coast White Cedar (spp.) Coast White Cedar 'Andelyensis'
Coast White Cedar 'Conica' Coast White Cedar 'Ericoides'
Coast White Cedar 'Heatherbun' Coastal Azalea
Coastal Dog Hobble 'Coastal Gem' Woolly Grevillea
'Coastal Gold' Oleaster: ebbingeihybrid Coastal Leucothoe
Coastal Rosemary (spp.) Coastal Rosemary 'Zena'
Coastal Sagebrush (spp.) Coastal Sagebrush 'Canyon Gray'
Coastal Sweet Pepperbrush (spp.) Coastal Sweet Pepperbrush 'Ann Bidwell'
Coastal Sweet Pepperbrush 'Compacta' Coastal Sweet Pepperbrush 'Fern Valley Pink'
Coastal Sweet Pepperbrush 'Hummingbird' Coastal Sweet Pepperbrush 'Rosea'
Coastal Sweet Pepperbrush 'Ruby Spice' Coastal Sweet Pepperbrush 'September Beauty'
Coastal Sweet Pepperbrush 'SugartinaŽ Crystalina' Coastal Sweet Pepperbrush 'Vanilla Spice™'
'Coates' Saucer Magnolia: soulangianahybrid Cocculus
Cockspur Coral Tree Cocoa, Wild
Coconut Palm (spp.) Coconut Palm 'Malayan Dwarf'
Coconut, Double Cocoplum
Cocos Palm Cocos Plumosa
'Coerulea Lace' Sawtooth Hydrangea Coffee
Coffee Colubrina Coffee, Wild
Coffee: nervosa, Wild Coffeeberry (spp.)
Coffeeberry, California (spp.) Colchis Ivy (spp.)
Colchis Ivy 'Dentata Variegata' Colchis Ivy 'Trabzon'
'Coleman' Sugar Maple 'Coles Prostrate' Canadian Hemlock
'Cole's Select' Apple Serviceberry 'Colette' Rose
Colima Coliseum Maple (spp.)
Coliseum Maple Golden