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Plant trials

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 Trialling plants at RHS Garden Wisley

Trial plants are normally grown from plants (as opposed to seed, unless indicated in the list) submitted by nurserymen, individuals & breeders. Visitors to RHS Garden Wisley are welcome to view them except for those grown in restricted areas.

PhloxSee the RHS Trials 2012 programme which includes plants such as basil, salvia, campanula, phlox (pictured left) and dahlias (61kB pdf)



See what's growing in 2012 Trials Field at RHS Garden Wisley (101kB pdf)

Trials bulletins

CampanulaThe results of major trials are now being produced in full colour bulletins.

View, download or find out how to order one of the RHS Plant Trials Bulletins.

RHS Horticultural database

SalviaTrials also provide an important spur for RHS research into cultivated plants and their names, use this database to search a large index of garden plant names.

View the RHS Horticultural database

RHS Herbarium

Trials are an important source of material for the RHS Herbarium located at Wisley. 

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Trials conference 2013

A second International Trials Conference is to be held September 16-19, 2013 at Longwood Gardens, USA.

New plants

New plants

Well-respected plantsman, Graham Rice, uncovers all the latest new plants in his blog.

RHS plant bulletins

RHS plant bulletins

The results of many of our major trials are now being produced in full colour plant bulletins.