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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 'Alionushka'
    £11.25

    Check out our blog post Abundant Alionushka 
    Beautiful deep mauve-pink nodding bell-shaped flowers. Semi-herbaceous, non-clinging, semi-climber or scrambler.
    Awarded the RHS Award of Garden Merit.

    Learn More
  2. Clematis 'Arabella'
    £11.25
    The mid mauvy-blue flowers have a hint of a rose pink bar when first open. Semi-herbaceous, non-clinging, scrambler. Awarded the RHS Award of Garden Merit. Learn More
  3. 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
  4. 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
  5. Clematis 'Fujimusume'
    £12.50
    The purest, clearest 'true blue' clematis there is, its glorious flowers have contrasting pale yellow stamens. A very compact, free-flowering climber, perfect for pots and an extremely good candidate for a north wall. Awarded the RHS Award of Garden Merit. Learn More
  6. Clematis 'Gillian Blades'
    £11.25
    The elegant white star-shaped blooms have the palest bluey-mauve very ruffled margins. Absolutely gorgeous! Awarded the RHS Award of Garden Merit. Learn More
  7. John Huxtable at RHS Wisley Trials grounds
    £11.25
    The pretty white flowers are deeply textured and have a wonderful satin sheen. This popular clematis is perfect to brighten any dull spot in your garden. Awarded the RHS Award of Garden Merit. Learn More
  8. 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
  9. 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
  10. Clematis 'Mrs George Jackman'
    £11.25
    The classic pure white blooms have a satin sheen and crown of coffee-coloured stamens. The early blooms are occasionally semi-double. 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.

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  12. 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
  13. ANNA-LOUISE™ 'Evithree'
    £16.00
    The fabulous bluey-purple star-shaped flowers have a bright cerise bar and a striking crown of contrasting stamens. Learn More
  14. Clematis PETIT FAUCON™ 'Evisix'
    £11.25
    The nodding to outward facing flowers have four rich bluey-purple tepals. The stamens have rosy-purple filaments and golden yellow anthers. Semi-herbaceous, non-clinging, semi-climber or scrambler. Learn More
  15. rehderiana
    £15.00
    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
  16. Clematis viticella 'Abundance'
    £11.25
    The pretty semi-nodding pinky-red flowers have a deeply textured surface and crimped margins. Aptly named, the blooms are indeed produced in great abundance. Learn More
  17. Clematis viticella 'Blekitny Aniol' (BLUE ANGEL)
    £11.25

    The gorgeous pale, mauvy-blue flowers have a pretty satin sheen across their deeply textured surface. Its crimped and wavy margins taper to pointed tips. At dusk the flowers become almost luminous. Beautiful! Awarded the RHS Award of Garden Merit.

    Learn More
  18. Clematis viticella 'Étoile Violette'
    £11.25
    The dark bluey-purple flowers have beautifully contrasting pale yellow stamens. An outstanding performer that adorns gardens across the world. Awarded the RHS Award of Garden Merit. Learn More
  19. Clematis viticella 'Madame Julia Correvon'
    £11.25

    The glorious vibrant red flowers have a textured surface and gently recurved, twisted tips. Their distinctive crown of contrasting yellow stamens adds to the attraction of this outstanding performer. Awarded the RHS Award of Garden Merit.

    Learn More
  20. Clematis viticella 'Prince Charles'
    £11.25
    This gorgeous blue clematis opens light azure blue with a hint of pink along the central bar. As the blooms mature they become more mauve-blue, losing the pink tint. An outstanding performer! Awarded the RHS Award of Garden Merit. Learn More

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