Clematis 'Niobe' has beautiful very dark ruby red flowers.

Clematis 'Paradiso' is a large flowering climber producing double and single reddish-violet flowers with darker margins.

Clematis 'Perle d'Azur' has long been a favourite of clematis enthusiasts with light violet and sky blue flowers in profusion.

Clematis 'Pernille' is a cold-hardy climber with single white flowers, purple margins and veining and yellow stamens.

Clematis 'Pink Champagne' is one of the earliest of all large-flowered cultivars to bloom with glowing purple-pink tepals with frosted bars.

Clematis 'Pink Fantasy' is hardy to zone 3 with beautiful white to shell pink flowers with a deeper pink central bar.

Clematis 'Pinky' has single blooms in pink hues, with deeper pink bars, and white edges.

Clematis 'Prince Phillip' offers huge rich purple-blue flowers 8-10 inches wide with magenta central bands.

Clematis 'Proteus' is a historic cultivar with double and single blooms in shades of rosy-lilac.

'Rain Dance' is a re-blooming bush clematis with glorious shades of blue with contrasting cream centres.

'Rain Dance' is a re-blooming bush Clematis with glorious shades of blue with contrasting cream centres.

Clematis 'Ramona' has lovely flowers in delicate tones of mauve and lavender-blue.

Clematis 'Red Star' is a Japanese cultivar that produces fully double red to magenta-red flowers.

Clematis 'Rhapsody' produces masses of 4-6 inch wide rich royal purple flowers with yellow stamens.

Clematis 'Romantika' offers a profusion of dark violet purple flowers with contrasting yellow stamens.

Clematis 'Rosalyn' is a cold-hardy climber with unique, semi-double, magenta-pink flowers.

Clematis 'Rouge Cardinal' offers glowing shades of red and burgundy red with brownish stamens.

Clematis 'Royalty' is a stunning double cultivar with rich purple-blue flowers.

Clematis 'Scartho Gem' has many overlapping mid pink tepals with magenta central bands.

Clematis 'Sealand Gem' has lovely, ruffled, 4-6 inch wide flowers in a rosy-mauve colour with mid pink bars.

Clematis 'Serenata' has rich dusky purple to purple-blue flowers with red central veins and yellow stamens.

Clematis 'Snow Queen' is an introduction from New Zealand with lovely white flowers.

'Stand By Me' is a herbaceous bush clematis with blue, bell-shaped flowers which transform into creamy thread-like seed heads.

'Stand By Me Lavender' is a herbaceous bush clematis with lavender purple, bell-shaped flowers which transform into thread-like seed heads.

Clematis Sugar-Sweet Blue is a fragrant, silvery-blue clematis with scented flowers like gardenias.