• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Latest posts from this blog

  • Hypericum trial under wraps

    By Karen Robbirt
    This year I have been lucky enough to pay several visits to The Sir Harold Hillier Gardens ...

    Read more
  • Planning new trials

    By Andrew McSeveney
    Each year the main RHS committees agree a list of exciting new trials to replace those which ...

    Read more

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We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.