The Society of Garden Designers conference at Imperial College London on 17 April will focus on the use of water in landscape schemes.
Landscape architect Sarah Eberle, who won best in show at RHS Chelsea Flower Show 2007, will be among the speakers at the event.
Miami-based landscape architect Raymond Jungles will share his 30 years experience with delegates.
Also lined up to speak are sculptor William Pye and German water plant expert Dr Wolfram Kircher.
SGD chair Annabel Downs will lead the day. For information email email@example.com.