Search RHS plant trials

Type the name of a plant to see details of any trials carried out on its cultivars.

Tip: for ornamentals, try entering a botanical genus name, e.g. ‘Penstemon

  • Restrict the search to the following trials

How to cite us

If you find the database useful for your work, please mention it when citing sources of information. It may be cited as…

‘The Royal Horticultural Society Horticultural Database’, available at

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