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A report on the RHS trial 1996-2001 with details of the trial objectives, awards recommended and descriptions of almost 100 cultivars.
Search the RHS Plant Selector to discover the perfect plant for any spot in your garden.
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The RHS carries out extensive trials at its gardens and other venues to determine the best plants to grow at home.
More on our plant trials
© The Royal Horticultural Society 2013 RHS Registered Charity № 222879/SC038262