Explore top‑performing plants tested for health, hardiness and beauty in RHS Plant Trials, and use the results to choose the best RHS Recommended: Award of Garden Merit plants for your garden projects
Results coming May 2026
Location: RHS Garden Hyde Hall, Essex
Results coming 2026
Location: RHS Garden Wisley, Surrey / RHS Garden Bridgewater, Greater Manchester
Location: RHS Garden Bridgewater, Greater Manchester / RHS Garden Rosemoor, Devon
Location: RHS Garden Wisley, Surrey
Results coming April 2026
Results coming July 2026
Location: Royal Botanic Garden Edinburgh
Results coming June 2026
Results coming September 2026
Location: RHS Garden Bridgewater, Greater Manchester
Results coming August 2026
Location: RHS Garden Rosemoor, Devon / RHS Garden Wisley, Surrey
Results coming December 2026
Location: Sir Harold Hillier Gardens, Hampshire (behind the scenes)
Location: RHS Garden Bridgewater, Greater Manchester / RHS Garden Rosemoor, Devon / RHS Garden Wisley, Surrey (behind the scenes)
Location: Walton Hall and Gardens, Warrington
Location: RHS Garden Wisley, Surrey / Minack Theatre, Cornwall
Location: RHS Garden Wisley, Surrey / RHS Garden Harlow Carr, North Yorkshire
Location: RHS Garden Wisley, Surrey / RHS Garden Rosemoor, Devon / RHS Garden Bridgewater, Greater Manchester
Location: Sissinghurst Castel Garden, Kent / Floors Castle Garden, Roxburghshire
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The RHS is the UK’s gardening charity, helping people and plants to grow - nurturing a healthier, happier world, one person and one plant at a time.
