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’
Use these lists to find which plants are being assessed
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 www.rhs.org.uk