Clematis 'Piilu' (EL)

Clematis 'Pink Fantasy' (LL)

Clematis 'Polish Spirit' (Vt)

Clematis 'Prince Charles' (LL)

Clematis 'Propertius' (A)

Clematis 'Proteus' (EL)

Clematis 'Purple Spider' (A)

Clematis 'Red Star' (EL)

Clematis 'Roguchi' (I)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Royal Velours' (Vt)

Clematis 'Rubra' (Vt)

Clematis 'Ruriokoshi' (LL)

Clematis 'Semu' (LL)

Clematis 'Shin-shigyoku' (EL)

Clematis 'Shirayukihime' (EL)

Clematis 'Snow Queen' (EL)

Clematis 'Snowdrift' (Ar)

Clematis 'Star of India' (LL)

Clematis 'Stolwijk Gold' (A)

Clematis 'Sunset' (LL)

Clematis 'Sylvia Denny' (EL)