Rhododendron 'Countess of Haddington'
19708201 Cultivated material
Rhododendron 'Cowbell Group'
20171555 Cultivated material
Rhododendron 'Cowslip'
19913142 Cultivated material
Rhododendron 'Crarae'
19638004 Cultivated material
Rhododendron 'Cunningham's White'
19698498 Cultivated material
20000884 Cultivated material
20242314 Cultivated material
Rhododendron 'Curlew'
19741246 Cultivated material
Rhododendron 'Cynthia'
19794039 Cultivated material
Rhododendron 'Dorset Candy'
19933241 Cultivated material
Rhododendron 'John Cairns'
19587219 Cultivated material
Rhododendron 'Morning Cloud'
19890925 Cultivated material
19890946 Cultivated material