Plants starting with C
- Calamagrostis acutiflora 'Avalanche' Feather Reed Grass
- Calamagrostis acutiflora 'Eldorado' PP16486 Feather Reed Grass
- Calamagrostis acutiflora 'Hello Spring!™' Feather Reed Grass
- Calamagrostis acutiflora 'Karl Foerster' Feather Reed Grass
- Calamagrostis acutiflora 'Lightning Strike®' Feather Reed Grass
- Calamagrostis acutiflora 'Overdam' Feather Reed Grass
- Calamagrostis brachytricha Korean Feather Reed Grass
- Calamagrostis brachytricha 'Caspian' Korean Feather Reed Grass
- Calamagrostis canadensis Bluejoint Grass
- Calamintha nepeta Lesser Calamint
- Calamintha nepeta 'White Cloud' Lesser Calamint
- Calendula 'Cheers™ Tangerine Improved' English Marigold
- Calendula Bon Bon Yellow English Marigold
- Calibrachoa 'Bumble Bee™ Blue Calibrachoa
- Calibrachoa Cabaret® 'Blue Deep' Calibrachoa hybrida
- Calibrachoa Cabaret® 'Bright Orange' Calibrachoa hybrida
- Calibrachoa Cabaret® 'Diva Pink' Calibrachoa hybrida
- Calibrachoa Cabaret® 'Hot Pink' Calibrachoa hybrida
- Calibrachoa Cabaret® 'Red' Calibrachoa hybrida
- Calibrachoa Cabaret® 'White Bright' Calibrachoa hybrida
- Calibrachoa Cabaret® 'Yellow Deep' Calibrachoa hybrida
- Calibrachoa Cha-Cha™ Diva Apricot Calibrachoa hybrida
- Calibrachoa Cha-Cha™ Fuchsia Calibrachoa hybrida
- Calibrachoa MiniFamous® 'Neo Double Purple' Calibrachoa
- Calibrachoa MiniFamous® 'Neo Double Silver Blue' Calibrachoa
- Callicarpa bodinieri 'Profusion' Purple Beautyberry
- Callirhoe involucrata Prairie Winecup
- Calocedrus decurrens Incense Cedar
- Calocedrus decurrens 'Maupin Glow' Incense Cedar
- Campanula carpatica 'Blue Clips' Bellflower
- Campanula carpatica 'Rapido Blue' Bellflower
- Campanula carpatica 'Rapido White' Bellflower
- Campanula persicifolia 'Blue' Bellflower
- Campanula persicifolia 'Takion Blue' Bellflower
- Campanula portenschlagiana Bellflower
- Campanula portenschlagiana 'Birch Hybrid' Bellflower
- Campanula portenschlagiana CLOCKWISE™ 'Compact Deep Blue' Dalmation Bellflower
- Campanula poscharskyana 'Blue Waterfall' Serbian Bellflower
- Campanula rotundifolia Harebell Bluebells Bellflower
- Campanula rotundifolia 'Thumbell™ Blue' Harebell Bluebells Bellflower
- Campsis radicans Trumpet Vine
- Campsis radicans 'Flava' Trumpet Vine
- Campsis radicans 'Madame Galen' Trumpet Vine
- Campsis radicans 'Minnesota Red' Trumpet Vine
- Canna 'Dwarf Pink Beauty' Canna Lily
- Canna 'Toucan® Coral Canna Lily
- Canna 'Toucan® Yellow' Canna Lily
- Canna Cannova® 'Bronze Peach' Canna
- Canna Cannova® 'Bronze Scarlet' Canna
- Canna Cannova® 'Golden Leopard' Canna Lily
- Canna Cannova® 'Mango' Canna
- Canna Cannova® 'Red Golden Flame' Canna Lily
- Canna Cannova® 'Yellow' Canna Lily
- Caragana arborescens Siberian Peashrub
- Caragana arborescens 'Pendula' Weeping Siberian Peashrub
- Caragana arborescens 'Walker' Siberian Peashrub
- Caragana frutex 'Globosa' Globe Siberian Peashrub
- Caragana microphylla 'Tidy' Littleleaf Peashrub
- Caragana pygmaea Dwarf Siberian Peashrub
- Carex 'ET CRX01' Feather Falls™ PP26199 Variegated Sedge Grass
- Carex appalachia Appalachian Sedge Grass
- Carex divulsa Berkeley Sedge Grass
- Carex elata 'Bowles Golden' Aurea Tufted Sedge Grass
- Carex flacca 'Blue Zinger' Blue Zinger Sedge Grass
- Carex laxiculmis 'Hobb' Bunny Blue Sedge Grass
- Carex morrowii 'Ice Dance' Sedge Grass
- Carex morrowii 'Silk Tassel' Sedge Grass
- Carex morrowii EverColor® 'Everglow' PP30466 Sedge Grass
- Carex muskingumensis Palm Sedge Grass
- Carex muskingumensis 'Ice Fountains' Sedge Grass
- Carex nebrascensis Nebraska Sedge
- Carex oshimensis 'CarFit01' Evercolor® Everest PP20955 Sedge Grass
- Carex oshimensis 'Evergold' Sedge Grass
- Carex oshimensis EverColor® 'Everlime' PP25622 Sedge Grass
- Carex oshimensis EverColor® 'Everoro' PP23406 Sedge Grass
- Carex pennsylvanica Pennsylvania Sedge Grass
- Carex tenuiculmis 'Cappuccino' Sedge Grass
- Carpinus betulus 'Fastigiata' Hornbeam
- Carpinus betulus 'Foliis Argenteovarigatis Pendula' Variegated Hornbeam
- Carpinus betulus 'Frans Fontaine' European Hornbeam
- Carpinus betulus 'JFS-KW1CB' PP22814 Emerald Avenue® Hornbeam
- Carpinus betulus 'Lucas' Hornbeam
- Carpinus caroliniana 'J.N. Upright' Firespire® American Hornbeam
- Carpinus caroliniana 'JN Strain' American Hornbeam Musclewood
- Carpinus caroliniana 'Uxbridge' Rising Fire® Rising Fire® American Hornbeam
- Caryopteris clandonensis 'Blue Mist' Bluebeard or False Spirea
- Caryopteris divaricata 'Snow Fairy' Bluebeard or False Spirea
- Caryopteris x clan First Editions® 'Blauer Splatz' Sapphire Surf™ Bluebeard Blue Mist or False Spirea
- Caryopteris x clandonensis 'CT-9-12' PP27426 Beyond Midnight® Bluebeard Blue Mist or False Spirea
- Caryopteris x clandonensis 'Dark Knight' Bluebeard Blue Mist or False Spirea
- Caryopteris x clandonensis 'Inoveris' PPP17837 Grand Bleu™ Bluebeard Blue Mist or False Spirea
- Caryopteris x clandonensis 'Longwood Blue' Bluebeard Blue Mist or False Spirea
- Caryopteris x clandonensis 'Minigold' PP33874 Beekeeper™ Bluebeard Blue Mist or False Spirea
- Castilleja sulphurea Sulphur Indian Paintbrush
- Catalpa bungei Umbrella Catalpa
- Catalpa speciosa Northern Catalpa
- Catalpa speciosa 'Hiawatha2' Heartland® Northern Catalpa
- Catalpa x erubescens 'Purpurea' Purple Catalpa
- Catananche caerulea Cupid's Dart
- Ceanothus velutinus Snowbrush Cinnamon Bush
- Cedrus atlantica 'Fastigiata' Columnar Blue Atlas Cedar
- Cedrus atlantica 'Green Wave' Atlas Cedar
- Cedrus atlantica 'Hillers HB' Dwarf Atlas Cedar
- Cedrus atlantica 'Horstmann' Horstmann's Atlas Cedar
- Cedrus atlantica 'Sahara Ice' Variegated Blue Atlas Cedar
- Cedrus atlantica 'Sapphire Nymph' Dwarf Atlas Cedar
- Cedrus atlantica glauca Blue Atlas Cedar
- Cedrus atlantica glauca 'Fastigiata' Columnar Blue Atlas Cedar
- Cedrus atlantica glauca 'Pendula' Weeping Blue Atlas Cedar
- Cedrus brevifolia 'Treveron' Cyprus Cedar
- Cedrus deodara 'Aurea' Golden Deodar Himalayan Cedar
- Cedrus deodara 'Aurea' Espalier Golden Deodar Himalayan Cedar Espalier
- Cedrus deodara 'Deep Cove' Deodar Himalayan Cedar
- Cedrus deodara 'Devinely Blue' Deodar Himalayan Cedar
- Cedrus deodara 'Eisregen' Deodar Himalayan Cedar
- Cedrus deodara 'Electra' Blue Deodar Himalayan Cedar
- Cedrus deodara 'Electric Blue' Deodar Himalayan Cedar
- Cedrus deodara 'Feelin' Blue' Deodar Himalayan Cedar
- Cedrus deodara 'Gold Cascade' Deodar Himalayan Cedar
- Cedrus deodara 'Gold Cone' Deodar Himalayan Cedar
- Cedrus deodara 'Golden Horizon' Deodar Himalayan Cedar
- Cedrus deodara 'Karl Fuchs' Deodor Himalayan Cedar
- Cedrus deodara 'Kashmir' Deodor Himalayan Cedar
- Cedrus deodara 'Miles High' Deodor Himalayan Cedar
- Cedrus deodara 'Prostrate Beauty' Deodar Himalayan Cedar
- Cedrus deodara 'Sanders Blue' Deodar Himalayan Cedar
- Cedrus deodara 'Shalimar' Deodor Himalayan Cedar
- Cedrus deodara 'Silver Mist' Deodar Himalayan Cedar
- Cedrus deodara 'Silver Splash' Deodar Himalayan Cedar
- Cedrus deodara 'Snow Sprite' Deodar Himalayan Cedar
- Cedrus deodara 'Twisted Weeper' Deodar Himalayan Cedar Contorted
- Cedrus deodara pendula 'Emerald Falls' Weeping Deodor Himalayan Cedar
- Cedrus deodara pendula 'Emerald Spreader' Weeping Deodar Himalayan Cedar
- Cedrus deodara Well's Golden Deodar Himalayan Cedar
- Cedrus libani Lebanon Cedar
- Cedrus libani 'Beacon Hill' Weeping Lebanon Cedar
- Cedrus libani 'Blue Angel' Lebanon Cedar
- Cedrus libani 'Glauca Pendula' Weeping Lebanon Cedar
- Cedrus libani 'Glauca' Lebanon Cedar
- Cedrus libani 'Katere' Dwarf Lebanon Cedar
- Cedrus libani 'Pendula' Weeping Lebanon Cedar
- Cedrus libani stenocoma Lebanon Cedar
- Celosia cristata 'Twisted Orange Dark Leaf' Celosia
- Celosia cristata 'Twisted Orange' Celosia
- Celosia cristata 'Twisted Strawberry' Celosia
- Celosia Fresh Look 'Orange' Cock's Comb
- Celosia Fresh Look 'Red' Cock's Comb
- Celosia Fresh Look 'Yellow' Cock's Comb
- Celosia plumosa 'First Flame™ Purple' Cock's Comb
- Celosia plumosa 'Ice Cream Mix' Cock's Comb
- Celtis occidentalis Common Hackberry
- Celtis occidentalis 'Chicagoland' Hackberry
- Celtis occidentalis 'JFS-KSU1' Prairie Sentinel® Hackberry
- Celtis occidentalis 'KC Streetview' Common Hackberry
- Celtis occidentalis 'Schichtel's Upright' Hackberry
- Celtis reticulata Netleaf Hackberry
- Centaurea cyanus 'Classic Artistic Mix' Bachelor's Button
- Centaurea montana 'Amethyst Dream' Cornflower
- Centaurea montana 'Amethyst Snow' Cornflower
- Centranthus ruber 'Alba' Jupiter's Beard
- Centranthus ruber 'Pretty Betsy' Jupiter's Beard
- Centranthus ruber 'Roseus' Red Valerian Jupiter's Beard
- Cerastium tomentosum Snow in Summer
- Cerastium tomentosum 'Cloud Cover' Snow in Summer
- Cerastium tomentosum 'Yo Yo' Snow in Summer
- Ceratostigma plumbaginoides Plumbago
- Cercis canadensis Eastern Redbud
- Cercis canadensis 'Ace of Hearts' Eastern Redbud
- Cercis canadensis 'Alley Cat' Variegated Redbud
- Cercis canadensis 'Appalachian Red' Eastern Redbud
- Cercis canadensis 'Cascading Hearts' Weeping Redbud
- Cercis canadensis 'Covey' Lavender Twist® Weeping Eastern Redbud
- Cercis canadensis 'Forest Pansy' Eastern Redbud
- Cercis canadensis 'Hearts of Gold' Eastern Redbud
- Cercis canadensis 'JN16' Black Pearl Eastern Redbud
- Cercis canadensis 'JN2' PP 21451 The Rising Sun™ Eastern Redbud
- Cercis canadensis 'JN21' PP32138 Sparkling Wine™ Eastern Redbud
- Cercis canadensis 'JN31' PPAF Rise 'N Shine™ Eastern Redbud
- Cercis canadensis 'Merlot' PP22297 Eastern Redbud
- Cercis canadensis 'Minnesota Strain' Eastern Redbud
- Cercis canadensis 'NC2015-12' PP31658 Golden Falls® Weeping Yellow Leafed Redbud
- Cercis canadensis 'NC2016-2' Flame Thrower® Eastern Redbud
- Cercis canadensis 'NCCC1' PP27712 Carolina Sweetheart™ Variegated Redbud
- Cercis canadensis 'Pink Heartbreaker' PP 23043 Pink Heartbreaker Weeping Eastern Redbud
- Cercis canadensis 'Pink Pom Poms' PP27630 Pink Pom Poms Eastern Redbud
- Cercis canadensis 'Pink Trim' Northern Herald® Northern Herald® Redbud
- Cercis canadensis 'RNI-RCC3' PP34213 Midnight Express® Eastern Redbud
- Cercis canadensis 'Royal White' Whitebud
- Cercis canadensis 'Ruby Falls' PP22097 Weeping Eastern Redbud
- Cercis canadensis 'UMN7101' Heart's Desire™ Eastern Redbud
- Cercis canadensis 'Vanilla Twist' Eastern Redbud
- Cercis chinensis 'Don Egolf' Chinese Redbud
- Cercis occidentalis Western Redbud
- Cercis reniformis 'Oklahoma' Oklahoma Redbud
- Cercocarpus intricatus Little Leaf Mountain Mahogany
- Cercocarpus ledifolius Curleaf Mountain Mahogany
- Cercocarpus montanus Beechleaf Mountain Mahogany
- Chaenomeles superba 'Texas Scarlet' Flowering Quince
- Chaenomeles x 'Toyo-Nishiki' Flowering Quince
- Chamaebatiaria millefolium Fern Bush
- Chamaecyparis nootkatensis 'Glauca' Blue Nootka Cypress
- Chamaecyparis nootkatensis 'Pendula Green Arrow' Weeping Alaska Cedar
- Chamaecyparis nootkatensis 'Pendula' Green Weeping Alaska Cedar
- Chamaecyparis nootkatensis 'Van den Aker' Weeping Alaska Cedar
- Chamaecyparis nootkatensis glauca 'Pendula' Blue Weeping Alaska Cedar
- Chamaecyparis obtusa 'Fernspray Gold' Fernspray Gold Hinoki Cypress
- Chamaecyparis pisifera 'Lemon Thread' Lemon Thread Cypress
- Chasmanthium latifolium Northern Sea Oats
- Chasmanthium latifolium 'Little Tickler' Northern Sea Oats
- Chilopsis linearis Desert Willow
- Chilopsis linearis 'Bubba' Burgundy Desert Willow
- Chilopsis linearis 'Desert Diva'®PP#28902 Desert Willow
- Chionanthus retusus 'Arnold's Pride' Chinese Fringe Tree
- Chionanthus retusus 'Tokyo Tower' Columnar Chinese Fringe Tree
- Chionanthus virginicus 'Spring Fleecing' Fringe Tree
- Chitalpa tashkentensis 'Strawberry Moon' Chitalpa
- Chrysothamnus viscidiflorus Green or Yellow Rabbitbrush
- Cladrastis kentukea American Yellowwood
- Cladrastis kentukea 'Perkins Pink' Yellowwood
- Clematis 'Asao' Pink Clematis
- Clematis 'Bernadine' Clematis
- Clematis 'Cotton Candy' Clematis
- Clematis 'Duchess of Edinburgh' Double White Clematis
- Clematis 'Ernest Markham' Magenta Clematis
- Clematis 'EviGsy156' Baroness Fookes™ Purple Clematis
- Clematis 'Evipo 019' Parisienne Purple Clematis
- Clematis 'Evipo 030' Bijou Double Blue-Purple Mounding Clematis
- Clematis 'Evipo 042' Fleuri™ Purple Clematis
- Clematis 'Evipo 051' Giselle™ Pale Purple-Pink Clematis
- Clematis 'Evipo 059' Ines Purple Clematis
- Clematis 'Evipo 063' Corinne™ White with Pink Clematis
- Clematis 'Evipo 075' Samaritan Jo™ White and Purple Clematis
- Clematis 'Evipo 079' Nubia Red Clematis
- Clematis 'Evipo 098' Sarah Elizabeth™ Pink Clematis
- Clematis 'Evipo Hil' Josephine Double Pink White Clematis
- Clematis 'Evipo118' The Duchess of Cornwall™ Purple Clematis
- Clematis 'Huldine' Clematis
- Clematis 'Jackmanii' Purple Clematis
- Clematis 'Nelly Moser' Clematis
- Clematis 'Ramona' Lavender Blue Clematis
- Clematis 'Rhapsody' Blue Clematis
- Clematis 'Royalty' Clematis
- Clematis 'Sea Breeze' VANCOUVER™ Lavender Blue Clematis
- Clematis 'Silver Moon' Light Purple Clematis
- Clematis 'Souvenir du Capitaine Thuilleaux' Bicolor Pink-White Clematis
- Clematis 'Stand by Me Lavender' PP34275 Pink-Purple Bush Clematis
- Clematis 'Stand by Me' PP30556 Blue-Purple Bush Clematis
- Clematis florida 'Sieboldiana' Sieboldii Clematis
- Clematis ligusticifolia Western White Clematis
- Clematis montana var. grandiflora White Blooming Montana or Anemone Clematis
- Clematis occidentalis Blue Virgins Bower Rock Clematis
- Clematis terniflora paniculata Sweet Autumn Clematis
- Cleome Clio™ Magenta Spider Flower
- Coleus 'Alabama Sunset' Coleus
- Coleus 'ChargedUp Electric Lime' Coleus
- Coleus 'Fishnet Stockings' Coleus
- Coleus 'Ignite Ruby Slipper' Coleus
- Coleus 'Main Street Abbey Road' Coleus
- Coleus 'Main Street Beale Street' Coleus
- Coleus 'Main Street Bourbon Street' Coleus
- Coleus 'Main Street Broad Street' Coleus
- Coleus 'Main Street River Walk' Coleus
- Coleus 'Main Street Venice Boulevard' Coleus
- Coleus 'Rustic Orange' Coleus
- Coleus ColorBlaze® 'Dipt in Wine' Coleus
- Coleus FlameThrower™ 'Chipotle' PP27288 Coleus
- Coleus FlameThrower™ 'Salsa Verde' PP29820 Coleus
- Coleus FlameThrower™ 'Serrano' PP30970 Coleus
- Coleus FlameThrower™ 'Sriracha' PP32342 Coleus
- Coleus Kong® 'Rose' Coleus
- Coleus PARTYTIME™ 'Pink Berry' Coleus
- Coleus Wizard® 'Select Mix' Coleus
- Convallaria majalis Lily of the Valley
- Cordyline australis 'Red Sensation' False Dracena
- Coreopsis 'Big Bang Full Moon' Tickseed
- Coreopsis auriculata 'Nana' PP18184 Tickseed
- Coreopsis grandiflora 'Early Sunrise' Tickseed
- Coreopsis grandiflora 'Jethro Tull' PP18789 Tickseed
- Coreopsis grandiflora 'Solar Fancy' PP35403 Tickseed
- Coreopsis grandiflora 'Sunfire' Tickseed
- Coreopsis NOVA® 'Jewel' Tickseed
- Coreopsis PERMATHREAD™ 'Red Satin' PP25736 Threadleaf Tickseed
- Coreopsis verticillata 'Moonbeam' Threadleaf Tickseed
- Coreopsis verticillata 'Route 66' Tickseed
- Coreopsis verticillata 'Zagreb' Threadleaf Tickseed
- Coreopsis verticillata DESIGNER THREADS™ 'Creamy Calico' Tickseed
- Coreopsis verticillata SIZZLE & SPICE™ 'Crazy Cayenne' Threadleaf Tickseed
- Cornus 'Rutgan' Stellar Pink Flowering Dogwood
- Cornus alba 'Bailhalo' PP8722 Ivory Halo® Variegated Dogwood
- Cornus alba 'Bud's Yellow' Yellow Twig Dogwood
- Cornus alba 'ByBoughen' PP27956 Neon Burst™ Chartreuse Dogwood
- Cornus alba 'Creme de Mint' Crmizam Dogwood
- Cornus alba 'Gouchaultii' Yellow Variegated Dogwood
- Cornus alba 'Jefreb' Little Rebel® Dogwood
- Cornus alba 'Verpaalen2' PP34377 Sgt. Pepper® Variegated Tatarian Dogwood
- Cornus alternifolia Pagoda Dogwood
- Cornus alternifolia 'Big Chocolate Chip' Pagoda Dogwood
- Cornus controversa 'June Snow' Flowering Dogwood Tree
- Cornus kousa 'Rutpink' Scarlet Fire® Chinese Dogwood
- Cornus kousa 'Samaritan'® Variegated Flowering Dogwood Tree
- Cornus kousa 'Summer Fun' Chinese Dogwood
- Cornus mas 'JFS PN4Legacy' Saffron Sentinel® Saffron Sentinel® Cornelian Cherry
- Cornus sericea 'Alleman's Compact' Dwarf Red Twig Dogwood
- Cornus sericea 'Bailadeline' Firedance™ First Editions® Dogwood
- Cornus sericea 'Baileyi' Red Twig Dogwood
- Cornus sericea 'Cardinal' Red Twig Dogwood
- Cornus sericea 'Flaviramea' Yellow Twig Dogwood
- Cornus sericea 'Hedgerow's Gold' Red Twig Dogwood
- Cornus sericea 'Isanti' Red Twig Dogwood
- Cornus sericea 'Kelseyi' Red Twig Dogwood
- Cornus stolonifera 'Farrow' PP18523 Arctic Fire® Red Dogwood
- Cornus stolonifera 'SMNCSBD' PP32351 Arctic Fire® Yellow Yellow Twig Dogwood
- Cornus x 'Rutdan' Celestial® Flowering Dogwood
- Cortaderia selloana Pampas Grass
- Cortaderia selloana 'Rosea' Pink Pampas Grass
- Corydalis flexulosa Hiller™ 'Porcelain Blue' Fumewort
- Corylus avellana 'Contorta' Contorted Filbert
- Corylus avellana 'Red Dragon' Red Leafed Filbert
- Cosmos 'Apollo™ Lovesong Cosmos
- Cosmos 'Double Click Mix' Cosmos
- Cosmos 'Sonata™ Carmine' Cosmos
- Cosmos 'Sonata™ White Cosmos
- Cosmos sulphureus 'Cosmic Orange' Cosmos
- Cotinus coggygria 'Ancot' Golden Spirit™ PP 13082 Yellow Smoke Tree
- Cotinus coggygria 'Cotsidh5' PP30328 Velveteeny™ Dwarf Purple Smoke Bush
- Cotinus coggygria 'Londus' EU26492 Dusky Maiden Purple Smoke Tree Bush
- Cotinus coggygria 'MINCOJAU3' PP30327 Winecraft Gold® Yellow Smoke Tree Bush
- Cotinus coggygria 'NCC01' PP30216 Winecraft Black® Dark Purple Smoke Tree Bush
- Cotinus coggygria 'Old Fashioned' Smoke Tree
- Cotinus coggygria 'Royal Purple' Purple Smoke Tree Bush
- Cotinus coggygria 'Young Lady' Smoke Tree Bush
- Cotoneaster apiculatus Cranberry Cotoneaster
- Cotoneaster dammeri 'Coral Beauty' Spreading Cotoneaster
- Cotoneaster dammeri 'Lowfast' Spreading Cotoneaster
- Cotoneaster horizontalis Rock Cotoneaster
- Cotoneaster lucidus Peking Cotoneaster
- Cotoneaster salicifolius 'Repens' Prostrate Willowleaf Cotoneaster
- Crataegus ambigua Russian Hawthorn
- Crataegus crus-galli 'Cruzam' Crusader® Hawthorn
- Crataegus crus-galli 'Inermis' Thornless Cockspur Hawthorn
- Crataegus douglasii Black Hawthorn
- Crataegus laevigata 'Crimson Cloud' Flowering Hawthorn
- Crataegus laevigata 'Paul's Scarlet' Flowering Hawthorne
- Crataegus phaenopyrum Washington Hawthorn
- Crataegus phaenopyrum 'Westwood 1' Washington Lustre® Washington Lustre Hawthorn
- Crataegus viridis 'Winter King' Hawthorn
- Crataegus x mordenensis 'Snowbird' Flowering Hawthorne
- Crataegus x mordenensis 'Toba' Flowering Hawthorne
- Crocosmia 'Carmine Brilliant' Montbretia Falling Stars
- Crocosmia 'Diablito™' Montbretia Falling Stars
- Crocosmia 'Firestarter' Montbretia Falling Stars
- Crocosmia 'Lucifer' Montbretia Falling Stars
- Crocosmia crocosmiiflora 'Emily McKenzie' Montbretia Falling Stars
- Cupressocyparis leylandii Leyland Cypress
- Cupressocyparis leylandii 'Gold Rider' Leyland Cypress
- Cupressus (Hesperocyparis) arizonica 'Crystal Frost' Crystal Frost Arizona cypress
- Cupressus glabra 'Blue Ice' Smooth Arizona Cypress
- Cupressus glabra 'Chaparral' Arizona Cypress
- Cytisus decumbens Yellow Broom
- Cytisus nigricans 'Cyni' Spike Broom
- Cytisus purgans 'Spanish Gold' Spanish Gold Broom
- Cytisus purpureus Purple Broom
- Cytisus scoparius 'Goldfinch' Scotch broom
- Cytisus scoparius 'SMNCSAB' PP30214 Sister Redhead® Scotch Broom
- Cytisus scoparius 'SMNCSCRY' PP30186 Sister Disco® Scotch Broom
- Cytisus scoparius 'SMNCSDRY' PP30176 Sister Rosie® Scotch Broom