• 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

RHS Plant Committees

An occasional blog reporting on the activities of the RHS Plant Committees.

Latest posts from this blog

  • Visit to Harcourt Arboretum

    By RHS Plant Committees
    Horticultural journalist Andrew Milolajski recounts a recent Woody Plant Committee visit to ...

    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.