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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.

14 Item(s)

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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. Comtesse de Bouchaud
    £11.25
    The mid pink flowers of this wonderful old clematis have a pretty satin sheen. The clarity of colour and simplicity of shape are what gives it such charm. Awarded the RHS Award of Garden Merit.

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  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 '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
  5. 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
  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. 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 '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. 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
  12. Clematis 'Warszawska Nike'
    £11.25
    (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
  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. ARCTIC QUEEN™ 'Evitwo'
    £16.00

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

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14 Item(s)

per page

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