| BUCHANAN, Simon Nicholas ACTIVE | Director | 12 Sep 2014 | | England | December 1966 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| MORAN, Sherry ACTIVE | Director | 14 Aug 2021 | | England | August 1946 | 40, Southwick Street, London, W2 1JQ, England |
| PALMAROZZA, Paul Harry ACTIVE | Director | 19 Mar 2019 | | England | February 1943 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| PATE, Nigel Farrell ACTIVE | Director | 23 Mar 2020 | | England | February 1959 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| PURVES, Andrew Mackay ACTIVE | Director | 23 Jul 2020 | | England | May 1961 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| GEORGE, Bruce Thomas RESIGNED | Secretary | | 29 Sep 2004 | | | 5 Rutland Gardens, Croydon, Surrey, CR0 5ST |
| PEARCE, Geoffrey Neville RESIGNED | Secretary | 29 Sep 2004 | 23 Jul 2009 | | | 61 Rodway Road, Bromley, Kent, BR1 3JP |
| STOTT, Dawn Elizabeth RESIGNED | Secretary | 23 Jul 2009 | 19 Sep 2012 | | | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| ARMSTRONG, James Hodgson RESIGNED | Director | | 14 Nov 1991 | | May 1926 | 32 Langford Green, London, SE5 8BX |
| CAIRNCROSS, Avril RESIGNED | Director | 08 Jun 2018 | 20 Dec 2021 | England | April 1951 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| EDMUNDS, Richard John RESIGNED | Director | 19 Sep 2012 | 01 Jun 2015 | United Kingdom | July 1943 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| FORRESTER, Philip Anthony RESIGNED | Director | 24 May 2002 | 25 Mar 2004 | | January 1960 | 6 Gerard Road, Barnes, London, SW13 9RG |
| FROST, Barbara Anne RESIGNED | Director | 19 Mar 2019 | 23 Mar 2026 | England | September 1951 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| GRAVES, Tommas Henry RESIGNED | Director | | 25 Sep 2003 | England | May 1937 | 73 Fairfax Road, Teddington, Middlesex, TW11 9DA |
| GREEN, Peter Gilbey RESIGNED | Director | | 12 Jun 2013 | United Kingdom | July 1928 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| HUBBERSGILT, Julian RESIGNED | Director | 01 Apr 2007 | 25 Mar 2015 | England | April 1953 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| JACOBS, Robert RESIGNED | Director | 08 Jul 2003 | 22 Sep 2017 | England | June 1962 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| MASON, Ian Douglas RESIGNED | Director | 04 Nov 2009 | 24 Jun 2015 | England | July 1949 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| MEEK, Clive Reginald RESIGNED | Director | 06 May 2015 | 10 Dec 2019 | England | January 1963 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| PEARCE, Geoffrey Neville RESIGNED | Director | 25 Feb 2010 | 19 Mar 2019 | United Kingdom | October 1938 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| PEARCE, Geoffrey Neville RESIGNED | Director | 25 Sep 2003 | 23 Jul 2009 | United Kingdom | October 1938 | 61 Rodway Road, Bromley, Kent, BR1 3JP |
| SAUNDERS, Bernard Charles RESIGNED | Director | | 28 Aug 2014 | United Kingdom | June 1934 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| STOTT, Dawn Elizabeth RESIGNED | Director | 04 Mar 2013 | 02 Dec 2014 | United Kingdom | July 1958 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| WATSON, Peter Patrick RESIGNED | Director | 25 Sep 2003 | 01 Jun 2015 | United Kingdom | August 1942 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| WOODS, Robert Ian RESIGNED | Director | 14 Nov 1991 | 25 Sep 2003 | | July 1937 | Nightingales, Birch, Colchester, Essex, CO2 0NA |
| WOODS, Suzanne Margaret RESIGNED | Director | 19 Sep 2012 | 17 Oct 2014 | United Kingdom | April 1950 | Waterperry Horticultural Centre, Waterperry Gardens, Waterperry, Wheatley, Oxfordshire, OX33 1JZ |
| WYATT, Patrick Robert RESIGNED | Director | 25 Sep 2003 | 10 May 2007 | | January 1965 | 12 Whitton Road, Hounslow, Middlesex, TW3 2DA |