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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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14 Item(s)

  1. Clematis 'Ascotiensis'

    Clematis 'Ascotiensis'

    £11.25

    Out of stock

    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

    Clematis 'Daniel Deronda'

    £11.25

    Out of stock

    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. Clematis 'Gillian Blades'

    Clematis 'Gillian Blades'

    £11.25

    Out of stock

    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
  4. Clematis 'Gipsy Queen'

    Clematis 'Gipsy Queen'

    £11.25

    Out of stock

    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 'Ken Donson'

    Clematis 'Ken Donson'

    £11.25

    Out of stock

    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
  6. Clematis 'Lasurstern'

    Clematis 'Lasurstern'

    1 Review(s) | Add Your Review

    £11.25

    Out of stock

    The rich mid blue star-shaped flowers have wavy margins and contrasting yellow stamens. Awarded the RHS Award of Garden Merit. Learn More
  7. Marie Boisselot

    Clematis 'Marie Boisselot' (Mme Le Coultre)

    2 Review(s) | Add Your Review

    £11.25

    Out of stock

    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
  8. Mrs Cholmondeley

    Clematis 'Mrs Cholmondeley'

    £11.25

    Out of stock

    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
  9. Clematis 'Mrs George Jackman'

    Clematis 'Mrs George Jackman'

    £11.25

    Out of stock

    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
  10. Clematis 'The President'

    Clematis 'The President'

    2 Review(s) | Add Your Review

    £11.25

    Out of stock

    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
  11. Clematis 'Warszawska Nike'

    Clematis 'Warszawska Nike'

    £11.25

    Out of stock

    (syn. 'Warsaw Nike') The wonderful rich reddy-purple blooms mature to bluey-purple and have beautifully contrasting yellow stamens. Pronounced Var-sharv-ska Nee-ka. Awarded the RHS Award of Garden Merit. Learn More
  12. ALABAST™ 'Poulala'

    Clematis ALABAST™ 'Poulala'

    1 Review(s) | Add Your Review

    £11.25

    Out of stock

    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'

    Clematis ANNA-LOUISE™ 'Evithree'

    1 Review(s) | Add Your Review

    £16.00

    Out of stock

    The fabulous bluey-purple star-shaped flowers have a bright cerise bar and a striking crown of contrasting stamens. Learn More
  14. ARCTIC QUEEN™ 'Evitwo'

    Clematis ARCTIC QUEEN™ 'Evitwo'

    £16.00

    Out of stock

    These magnificent pure white blooms are fully double in early summer, whereas later in the summer they are semi-double. 

    Learn More

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14 Item(s)




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