| KEMP, Vanessa Anne ACTIVE | Secretary | 28 Aug 2024 | | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| MATTERSON, Clare Elizabeth ACTIVE | Director | 14 Jun 2022 | | England | November 1962 | 80 Vincent Square, Vincent Square, London, SW1P 2PE, England |
| BAILEY, Stacey Elizabeth RESIGNED | Secretary | 01 Jul 2019 | 28 Aug 2024 | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| FARRINGTON, David RESIGNED | Secretary | 04 Jan 2010 | 01 Oct 2010 | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| HARRISON, John Overend RESIGNED | Secretary | | 23 Apr 2004 | | | 48 Holmwood Avenue, Sanderstead, South Croydon, Surrey, CR2 9HY |
| HILEY, James RESIGNED | Secretary | 01 Apr 2011 | 25 Oct 2011 | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| MALCOLM, Linda Moira RESIGNED | Secretary | 01 Jun 2016 | 30 Jun 2019 | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| NIX, Jan RESIGNED | Secretary | 25 Oct 2011 | 03 Sep 2015 | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| NIX, Janice RESIGNED | Secretary | 01 Nov 2010 | 31 Mar 2011 | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| NORMAN, Mark RESIGNED | Secretary | 03 Sep 2015 | 01 Jun 2016 | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| SMITH, Andrew William Stanton RESIGNED | Secretary | 23 Apr 2004 | 31 Dec 2009 | | | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| BANKS, William Lawrence RESIGNED | Director | | 01 Jan 1992 | United Kingdom | June 1938 | Ridgebourne, Kington, Herefordshire, HR5 3EG |
| BIGGS, Sue RESIGNED | Director | 01 Mar 2011 | 14 Jun 2022 | United Kingdom | April 1956 | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| BRICKELL, Christopher David RESIGNED | Director | 01 Jan 1993 | 09 Sep 1993 | United Kingdom | June 1932 | The Camber, Ths Street Nutbourne, Pulborough, West Sussex, RH20 2HE |
| COLQUHOUN, Andrew John RESIGNED | Director | 21 Sep 1999 | 03 Nov 2006 | | September 1949 | 60 Meriden Court, Chelsea Manor Street, London, SW3 3TT |
| DEE, Rene Bernard RESIGNED | Director | 01 Jan 1993 | 14 Mar 2008 | England | March 1946 | Flat 11,13 Chichester Terrace, Brighton, East Sussex, BN2 1FG |
| ERSKINE, Peter John RESIGNED | Director | 14 Sep 1995 | 14 Jun 2002 | United Kingdom | May 1935 | Vale Cottage Fyning Lane, Rogate, Petersfield, Hampshire, GU31 5DJ |
| EVISON, Raymond John RESIGNED | Director | 01 Jan 1992 | 14 Sep 1995 | | March 1944 | 3 Lane Route Du Coudre, Rocquaine, St Pierre Du Bois, CHANNEL, Guernsey Channel Islands |
| GRIMSEY, Inga Margaret Amy RESIGNED | Director | 06 Nov 2006 | 23 Oct 2009 | | October 1952 | 5 Tounson Court, Montaigne Close, Regency Street, London, SW1P 4AQ |
| HARVEY, Geoffrey RESIGNED | Director | | 31 May 1995 | | March 1932 | 349 Green Lane, London, SW16 3LJ |
| HEARN, Donald Peter RESIGNED | Director | | 19 Sep 2000 | | November 1947 | 7a Denmark Avenue, Wimbledon, London, SW19 4HF |
| HERBERT, Robin Arthur Elidyr RESIGNED | Director | | 01 Jan 1994 | | March 1934 | Flat 39, Porchester Terrace, London, W2 |
| HILEY, James Ross RESIGNED | Director | 01 Mar 2011 | 12 Sep 2014 | England | October 1970 | The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE |
| KINNA, Martin RESIGNED | Director | 01 Jan 1993 | 19 Jan 2000 | England | March 1940 | 16 Fife Terrace, Islington, London, N1 9RA |
| LYONS, Maugie RESIGNED | Director | 01 Jan 2006 | 30 Apr 2008 | | February 1963 | 94b Askew Road, London, W12 9BL |
| MASON, Simon John RESIGNED | Director | 17 May 2000 | 17 Jul 2006 | England | December 1952 | 95 St Albans Avenue, Chiswick, London, W4 5JS |
| NICHOL, David RESIGNED | Director | 01 Feb 1994 | 25 Jun 2003 | | April 1943 | Timbers, Bedgebury Road, Goudhurst, Kent, TN17 2QR |
| RAE, Gordon Hamilton RESIGNED | Director | 09 Sep 1993 | 21 Sep 1999 | | September 1938 | New House, Church Lane Grayshott, Hindhead, Surrey, GU26 6LY |
| ROBINSON, Patrick George Bradley RESIGNED | Director | 14 Jun 2002 | 10 Jul 2006 | | January 1945 | Manorside Forest Road, Ascot, Berkshire, SL5 8QG |
| ROE, Peter Alan RESIGNED | Director | 11 Jul 2000 | 30 Apr 2008 | United Kingdom | March 1947 | Bankside,, North Piddle, Worcestershire, WR7 4PS |
| SEABRIGHT, Gordon RESIGNED | Director | 02 Nov 2009 | 01 Nov 2010 | England | April 1965 | Astwood House, Bottlesford, Pewsey, Wiltshire, SN9 6LW, United Kingdom |
| SEABRIGHT, Gordon RESIGNED | Director | 21 Mar 2006 | 30 Apr 2008 | England | April 1965 | Astwood House, Bottlesford, Pewsey, Wiltshire, SN9 6LW |
| SELLS, Edward Andrew Perronet RESIGNED | Director | 01 Jan 2005 | 10 Jun 2009 | United Kingdom | November 1948 | 9, Warwick Square, London, SW1V 2AA |
| SLOCOCK, Martin Oliver RESIGNED | Director | 01 Jan 1992 | 31 Dec 2004 | | March 1935 | Knap Hill Nursery, Barrs Lane, Knap Hill, Surrey, GU21 2JW |
| STEVENSON, Alastair Thomas RESIGNED | Director | 14 Jun 2002 | 20 Dec 2006 | | March 1951 | Appledore, Upton Bishop, Ross On Wye, Herefordshire, HR9 7UL |
| WHITELEY, Richard Timothy RESIGNED | Director | 01 Jan 1992 | 01 Jan 1993 | United Kingdom | November 1931 | Hall Farm, Evenley, Brackley, Northamptonshire, NN13 5SH |