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RHS Award of Garden Merit Clematis

Here are all the clematis we stock which have achieved theRHS AGM Logo
Royal Horticultural Societies Award of Garden Merit.
This award is given to plants that have been submitted to the RHS for trial and proven to be particularly good garden worthy plants under a number of factors, including flowering ability, strength, disease & pest resistance. At Thorncroft we would only select and indeed sell clematis that we believe have these qualities but the AGM is a helpful guide to selecting excellent plants.

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  1. Clematis 'Ascotiensis'
    £11.25
    Clematis Ascotiensis is a wonderful old cultivar, introduced in the late 1800's is still one of the best and easiest mid mauvey-blue clematis for the garden. Learn More
  2. Daniel Deronda
    £11.25
    The lovely rich bluey-purple flowers have paler, almost mauve bars. The early flowers are occasionally semi-double. Awarded the RHS Award of Garden Merit. Learn More
  3. Ernest Markham
    £11.25
    The light magenta-red blooms have a deeply textured surface and beautifully crimped margins. A fabulous companion to climbing roses and, if hard pruned can be grown in a patio container. Learn More
  4. Clematis 'Gipsy Queen'
    £11.25
    This lovely old clematis has dark bluey-purple blooms with a hint of reddish-purple along the bar when first open. A wonderful companion for your climbing roses. Awarded the RHS Award of Garden Merit. Learn More
  5. Clematis 'Huldine'
    £11.25
    These elegant satin-white blooms have an almost transparent, pearly appearance, due to their attractive mauve reverse being an apparent feature. An excellent candidate to add interest to your garden in autumn. Awarded the RHS Award of Garden Merit. Learn More
  6. Clematis 'Jackmanii'
    £11.25
    A quintessential 'cottage garden' flower, whose gently nodding bluish-purple blooms look amazing when combined with climbing roses, or clambering over a porch or arch. Awarded the RHS Award of Garden Merit. Learn More
  7. Clematis 'Ken Donson'
    £11.25
    Elegant flowers of mid-blue have bright yellow anthers in the centre and make the flower really stand out in the garden. A classic family favourite. Learn More
  8. Clematis 'Lasurstern'
    £11.25
    The rich mid blue star-shaped flowers have wavy margins and contrasting yellow stamens. Awarded the RHS Award of Garden Merit. Learn More
  9. Marie Boisselot
    £11.25
    The beautiful upward-facing blooms open creamy-white, turning to pure white as they mature and have golden stamens. A beautiful old cultivar from the early 1900’s. If hard pruned can be grown in a patio container. Awarded the RHS Award of Garden Merit. Learn More
  10. Mrs Cholmondeley
    £11.25
    The wonderful light mauvy-blue flowers have pale coffee-coloured anthers. A fabulous old cultivar which, if hard pruned, can be grown in a patio container. Cholmondeley is pronounced Chumley. Awarded the RHS Award of Garden Merit. Learn More
  11. Paul Farges (Summer Snow)
    £11.25
    The clusters of dainty creamy-white flowers have a very prominent crown of primrose-yellow stamens. A vigorous climber that produces an abundance of pretty flowers. Awarded RHS Award of Garden Merit.

    Learn More
  12. Clematis 'The President'
    £11.25
    This handsome old clematis has deep purply-blue star-shaped flowers with slightly paler bars and attractive beetroot-red stamens. Try growing this with 'The First Lady' as they make a charming colour combination! Learn More
  13. ALABAST™ 'Poulala'
    £11.25
    The newly opened flowers are pale primrose yellow with a deeper bar and satin sheen, they mature to soft creamy-white. Ideal for growing in the shade. Unlicensed Propagation Prohibited. Learn More
  14. Clematis cirrhosa 'Wisley Cream'
    £13.50
    Cream nodding bell-shaped flowers. An evergreen climber that requires a sunny, sheltered position and free draining soil. Awarded the RHS Award of Garden Merit. Learn More
  15. Clematis macropetela 'Lagoon'
    £11.25
    The deep, slightly greyish, blue semi-double nodding bell-shaped flowers have occasional white markings. Awarded the RHS Award of Garden Merit. Requires free draining soil. Learn More
  16. Clematis macropetela 'Markhams Pink'
    £11.25
    (syn. macropetala 'Markham's Pink'). Light to mid pink semi-double nodding, bell-shaped flowers. Awarded the RHS Award of Garden Merit. Requires free draining soil. Learn More
  17. Clematis macropetela 'Wesselton'
    £11.25
    (syn. macropetala 'Wesselton'). The light to mid blue semi-double nodding, bell-shaped flowers are larger than macropetala species. Awarded the RHS Award of Garden Merit. Requires free draining soil. Learn More
  18. Clematis orientalis 'Bill MacKenzie'
    £12.50
    Its bright yellow nodding, lantern-shaped flowers have distinctive dark reddish-brown stamens that leave excellent silky seed-heads. Excellent for late flowers. Awarded the RHS Award of Garden Merit. Learn More
  19. rehderiana
    £12.50
    The dainty pale yellow nodding bell-shaped flowers are borne in clusters and have a cowslip-like perfume. Occasionally slow to establish but is definitely worth the wait! Awarded the RHS Award of Garden Merit. Learn More
  20. Clematis tangutica 'Lambton Park'
    £12.50
    The bright yellow nodding lantern-shaped flowers are followed by silky seedheads. Grow in a sunny position to enhance the coconut-like perfume. A favourite in our garden. Requires free draining soil. Awarded the RHS Award of Garden Merit. Learn More

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