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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 'Arabella'

    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
  2. Daniel Deronda

    Clematis '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. Clematis 'Fujimusume'

    Clematis 'Fujimusume'

    3 Review(s) | Add Your Review

    £12.50

    Out of stock

    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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. Clematis 'The President'

    Clematis 'The President'

    2 Review(s) | Add Your Review

    £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
  10. 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
  11. Clematis alpina 'Constance'

    Clematis alpina 'Constance'

    £11.25

    Out of stock

    The semi-double nodding, bell-shaped flowers are deep reddish-pink. Awarded the RHS Award of Garden Merit. Deciduous climber. Requires free draining soil. Learn More
  12. Clematis alpina 'Frances Rivis'

    Clematis alpina 'Frances Rivis'

    £11.25

    Out of stock

    The deep, rich blue nodding bell-shaped flowers have a white inner skirt. Awarded the RHS Award of Garden Merit. Deciduous climber. Requires free draining soil. Learn More
  13. Clematis alpina 'Frankie'

    Clematis alpina 'Frankie'

    £11.25

    Deep mauve-blue single nodding bell-shaped flowers with a creamy-white inner skirt. Awarded the RHS Award of Garden Merit. Requires free draining soil. Learn More
  14. Clematis alpina 'Helsingborg'

    Clematis alpina 'Helsingborg'

    £11.25

    Out of stock

    The single nodding bell-shaped flowers are deep bluey-purple. Awarded the RHS Award of Garden Merit. Requires free draining soil. Learn More
  15. ANNA-LOUISE™ 'Evithree'

    Clematis ANNA-LOUISE™ 'Evithree'

    1 Review(s) | Add Your Review

    £16.00

    The fabulous bluey-purple star-shaped flowers have a bright cerise bar and a striking crown of contrasting stamens. Learn More
  16. 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
  17. Clematis armandii 'Apple Blossom'

    Clematis armandii 'Apple Blossom'

    2 Review(s) | Add Your Review

    £19.50

    Clusters of deep pink flower buds open to pinky-white flowers, with a good perfume. A superb evergreen climber that requires free draining soil, sunny aspect to enhance perfume, whilst avoiding very exposed situations. Learn More
  18. Clematis macropetela 'Lagoon'

    Clematis macropetela 'Lagoon'

    £11.25

    Out of stock

    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
  19. Clematis macropetela 'Markhams Pink'

    Clematis macropetela 'Markhams Pink'

    £11.25

    Out of stock

    (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
  20. Clematis macropetela 'Wesselton'

    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

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