Clematis 'Prince Charles' (LL)

Clematis 'Prince George' (Vt)

Clematis 'Princess Diana' (T)

Clematis 'Propertius' (A)

Clematis 'Proteus' (EL)

Clematis 'Purple Spider' (A)

Clematis 'Purpurea Plena Elegans' (Vt)

Clematis 'Red Star' (EL)

Clematis 'Rhapsody' (EL)

Clematis 'Roguchi' (I)

Clematis 'Rosamunde' (LL)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Royal Velours' (Vt)

Clematis 'Rubra' (Vt)

Clematis 'Ruriokoshi' (LL)

Clematis 'Rüütel' (EL)

Clematis 'Sanssouci' (M)

Clematis 'Semu' (LL)

Clematis 'Shin-shigyoku' (EL)

Clematis 'Shirayukihime' (EL)

Clematis 'Snow Queen' (EL)