Canna cannova 'Red Shades'

Canna cannova 'Yellow'

Caragana pygmaea

Carex 'Feather Falls'

Carex 'Moon Falls'

Carex buchananii

Carex elata 'Bowle's Golden'

Carex morrowii 'Ice Dance'

Carex oshimensis 'Evergold'

Carex tenuiculmis 'Cappuccino'

Carex testacea 'Prairie Fire'

Carpinus betula 'Frans Fontaine'

Carpinus betulus 'Fastigiata'

Carpinus caroliniana 'Fire Belle'

Carpinus caroliniana 'Wisconsin Red'

Carpinus x 'Skylark'

Caryopteris 'Dark Knight'

Caryopteris 'Sunshine Blue II'

Caryopteris clandonensis 'Sapphire Surf'

Caryopteris x clandonensis 'Beekeeper'

Catalpa speciosa

Ceanothus hyrbid 'Lemon Ice'

Ceanothus thyrsiflorus 'Victoria'

Cedrus atlantica glauca 'Fastigiata'

Cedrus atlantica glauca 'Pendula'

Cedrus deodara 'Bush's Electra'

Cedrus deodara 'Feelin' Blue'