Results from RHS Plant Trials

Explore the top plants tested for health, hardiness, and beauty as part of the RHS Plant Trials. See the results to help you choose the best RHS Award of Garden Merit performers for your next gardening project

2024

Bulbs

Muscari (in containers)

Location: RHS Garden Wisley, Surrey

  • 2024

Results coming February 2025

Trees, shrubs and climbers

Rosa (red-flowered)

Location: RHS Garden Wisley, Surrey

  • 2021–2024

Results coming June 2025

Perennials

Salvia (hardy)

Location: RHS Garden Wisley, Surrey

  • 2022–2024
Trees, shrubs and climbers

Shrubby Veronica (formerly Hebe)

Location: RHS Garden Wisley, Surrey / RHS Garden Harlow Carr, North Yorkshire

  • 2021–2024
Bulbs

Tulipa (lily and fringed)

Location: RHS Garden Wisley, Surrey

  • 2024

2023

Fruit, vegetables and herbs

Chilli peppers

Location: RHS Garden Wisley, Surrey / RHS Garden Rosemoor, Devon / RHS Garden Bridgewater, Greater Manchester

  • 2023
Perennials

Hemerocallis

Location: Sissinghurst Castel Garden, Kent / Floors Castle Garden, Roxburghshire

  • 2020–2023
Fruit, vegetables and herbs

Origanum (oregano and marjoram)

Location: RHS Garden Wisley, Surrey

  • 2022–2023

Results coming soon

Annuals, biennials, and bedding

Salvia (tender)

Location: RHS Garden Hyde Hall, Essex

  • 2023

Results coming soon

Bulbs

Daffodils (shorter-flowering)

Location: RHS Garden Wisley, Surrey

  • 2022–2023
Annuals, biennials, and bedding

Sweet peas (Lathyrus)

Location: RHS Garden Wisley, Surrey

  • 2022–2023

Want to know more?

Get in touch

For more information on our RHS Plant Trials or to access older trial reports, please get in touch with our team via email.
 

Email

[email protected]

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The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.