• 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

Plants

Hosta 'Francee' (fortunei)

10 award-winning groundcover plants

See plantsman Graham Rice's selection of 10 AGM-winning groundcover plants with beautiful leaves.

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Annuals

Perennials

Trees

Shrubs

Bulbs

Herbs

Fruit

Vegetables

Greenhouse

Climbers

Plants for pollinators

Plant awards

RHS Plants Shop

Plants chosen by the experts

Choose from hundreds of specially-selected plants, bulbs, seeds and gardening products in our online shop.

RHS Plant Trials and awards

Every year we trial dozens of plants to find out how they will perform in your garden. The very best are awarded the RHS Award of Garden Merit (AGM).

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Trialling plants at Wisley