Plant List
- Carex oshimensis ‘Everest’ - Everest Japanese Sedge
- Carex oshimensis ‘Evergold’ - Variegated Japanese Sedge, Evergold Japanese Sedge
- Carex oshimensis ‘Everillo’ - Everillo Japanese Sedge
- Carex oshimensis ‘Everoro’ - Everoro Japanese Sedge
- Caryopteris × clandonensis ‘Dark knight’ - Dark Knight Blue Spirea, Bluebeard , Blue Mist
- Caryopteris × clandonensis ‘Inoveris’ GRAND BLEU - Grand Bleu Bluebeard, Innoveris Bluebeard
- Caryopteris × clandonensis ‘White surprise’ - White Surprise Variegated Bluebeard, Blue Spirea, Blue Mist
- Caryopteris x clandonensis ‘Lisaura’ HINT OF GOLD - Lisaura Bluebeard, Hint of Gold Bluebeard, Hint of Gold Blue Mist Spiraea
- Caryopteris x clandonensis ‘Worcester Gold’ - Bluebeard 'Worcester Gold'
- Catalpa speciosa - Catawba or bean tree
- Catanache caerulea - Cupid's Dart
- Cerastium tomentosum - Snow in Summer
- Ceratostigma plumbaginoides - Hardy plumbago
- Chaenomeles x superba ‘Cameo’ - Cameo Japanese Flowering Quince
- Chaenomeles x superba ‘Rubra’ - Red Japanese Quince
- Chasmanthium latifolium - Northern Sea Oats
- Clematis ‘Jackmanii’ - Jackman's Clematis, Late Large-flowered Clematis
- Clematis ‘Paul Farges’ SUMMER SNOW
- Clematis ‘Taiga’ - Taiga Clematis
- Clematis tangutica - Golden clematis, Russian Virgin's Bower
- Coreopsis grandiflora ‘Early Sunrise’ - Tickseed
- Coreopsis grandiflora ‘Sunkiss’ - Tickseed
- Coreopsis rosea ‘American Dream’
- Cornus alba ‘Aurea’ - Golden Dogwood, Tartarean Dogwood
- Cornus alba ‘Elegantissima’ - Variegated Red Twig Dogwood
- Cornus alba ‘Gouchaultii’ - Gouchaultii Tatarian dogwood, Variegated Dogwood
- Cornus alba ‘Kesselringii’ - Kesselringii Tatarian dogwood, red-barked dogwood, siberian dogwood
- Cornus sericea - Red osier dogwood, Red-Osier dogwood, Redtwig dogwood, Redstem Dogwood, American Dogwood
- Cornus sericea ‘Flaviramea’ - Yellow-Twig Dogwood, Golden-Twig Dogwood
- Cornus sericea ‘Kelsey’ - Kelsey Dwarf Dogwood
