Cistus, Common Gum '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 'Claudie' Bigleaf Hydrangea
'Clembrook' American Boxwood Clerodendrum, Showy
Clethra, Japanese Cleyera (spp.)
Cleyera 'Burnished Gold' Cleyera 'Greyou (SovereignŽ)'
Cleyera Variegated Cliff Bottlebrush
Climbing Fetterbush Climbing Hydrangea 'Firefly'
Climbing Spindleberry Clock Vine, Bush
'Cloud Bank Jenny' Conebush Cloudland Rhododendron
Clusterberry, Red Coach Whip
Coast Fan Flower Coast White Cedar 'Andelyensis'
Coast White Cedar 'Conica' Coast White Cedar 'Ericoides'
Coast White Cedar 'Heatherbun' Coastal Azalea
Coastal Dog Hobble '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™' Cocculus
Cocoplum 'Coerulea Lace' Sawtooth Hydrangea
Coffee Coffee Colubrina
Coffee, Wild Coffee: nervosa, Wild
Coffeeberry (spp.) Coffeeberry, California (spp.)
'Coles Prostrate' Canadian Hemlock 'Colette' Rose
Colorado Spruce Dwarf Blue Colorado Spruce 'Glauca Compacta'
Colorado Spruce 'Glauca Globosa' Colorado Spruce 'Globosa'
Colorado Spruce 'Montgomery' Colorado Spruce 'Prostrate Blue Mist'
Colorado Spruce 'Ruby Teardrops' Colorado Spruce 'St. Mary's Broom'
Colorado Spruce 'Thume' 'Columbus Queen' Rose
'Columbus' Rose