Clematis 'Toki'

Clematis armandii 'Snowdrift'

Clematis Barbara Jackman hybrid)

Clematis montana 'Broughton Star'

Clethra 'Hummingbird'

Clethra alnifolia 'Ruby Spice'

Clethra alnifolia 'Summer Sparkler'

Codiaeum variegatum

Codiaeum variegatum 'Sunny Star'

Comptonia peregrina

Coniogramme emeiensis ‘Golden Zebra’

Cordyline australis 'Red Star'

Coreopsis 'Ladybird'

Coreopsis 'Moonbeam'

Coreopsis 'Presto'

Coreopsis 'Solanna'

Coreopsis 'Sunstar Orange'

Coreopsis permathread 'Red Satin'

Coreopsis permathread 'Sweet Tart'

Coreopsis rosea 'American Dream'

Coreopsis verticillata 'Zagreb'

Cornus 'Aurora'

Cornus 'Eddie's White Wonder'

Cornus alternifolia 'Variegata'