Carex frankii

Carex morrowii 'Ice Dance'

Carex muskingumensis

Carex normalis

Carex oshimensis EverColor® 'Eversheen'

Carex pensylvanica

Carex stricta

Carpinus betulus 'Fastigiata'

Carpinus betulus 'Frans Fontaine'

Carpinus caroliniana

Caryopteris cl 'Dark Knight'

Caryopteris incana 'SMNCVH' (Sunshine Blue® II)

Caryopteris x clandonensis 'Blue Mist'

Caryopteris x clandonensis 'CT-9-12' (Beyond Midnight®)

Catalpa speciosa

Ceanothus americanus

Cedrus atlantica 'Glauca Pendula'

Cedrus atlantica 'Glauca'

Cedrus deodara 'Karl Fuchs'

Cedrus deodara 'Kashmir'

Cedrus libani

Celtis occidentalis

Cephalanthus occidentalis 'SMCOSS' (Sugar Shack®)