The Society is governed by a Board of Trustees who have the responsibility for the overall strategic direction, governance and management of the Society which is a registered charity No. 1091429. The only exceptions are the Patron, President and Vice-President who are not trustees of the Society.
| Patron | His Majesty The King |
| President | Patrick Lines |
| Vice-President | Marchioness of Cholmondeley |
| Chairman | Len Finch |
| Vice-Chairman | Simon White |
| General Secretary | Lesley Webdale |
| Treasurer | Susan Cranmer |
| Assistant Secretary | Vacant |
| Show Co-ordinator, Spring & Autumn Shows | Tricia Loades |
| Show Co-ordinator, Summer Show | Malcolm Stelfox |
| Floral Art Co-Ordinator | Gloria Goodley |
| Large Gardens Representative | Simon Gaches, MCIHort |
| Archive Lead | Liz Brown |