| Mary & Peter J. Mitchell (GB) |
| Matthew Ruane ( UK ) |
| Max Frei ( CH ) |
| Mechthild Pulheim ( D ) |
| Melanie Brüggemann ( D ) |
| Mihatsch ( ? ) |
| Mike u. Sabine Wegener ( D ) |
| Mina Colvin ( USA ) |
| Mirko Hartz ( D ) |
| Nicholas Moore ( GB ) |
| Nikolett Horváth-Bozzay (A) |
| Nursery Ploeger ( NL ) |
| Nursery Uhlig ( D ) |
| Olaf Essert ( D ) |
| Olaf Schachtschneider ( D ) |
| Olf Wagner ( D ) |
| Olga Duchacova ( CZ ) |
| Oliver Heim ( D ) |
| Olivier Legros ( B ) |
| Osada Ken ( J ) |
| Otokar Cmiral ( CZ ) |
| P. Howse ( USA ) |
| Patty Drown ( USA ) |
| Paul Veenvliet / SLO |
| Pawel Tomczak ( PL ) |
| Peter Bastion ( GB ) |
| Peter Dieckmann ( D ) |
| Peter Großmann ( D ) |
| Peterson ( GB ) |
| Philip van Hilst ( NL ) |
| Ploeger ( NL ) |
| Polly Bishop ( USA ) |
| Radovan Konop ( CS ) |
| Reia Tanaka ( J ) |
| Robert Klaus ( A ) |
| Robert Machálek (CZ) |
| Robert Roth ( SK ) |
| Rock Garden Nursery ( A ) |
| Roger Bayens ( B ) |
| Roger Springael ( B ) |
| Roger Wynnants ( B ) |
| Rolf Volbon ( D ) |
| Rolland Lumaret ( F ) |
| S & M Wegener (D) |
| Sabine Traunfellner (A) |
| Sandy Mac Pherson ( USA ) |
| Selwijn Durez ( GB ) |
| Shirley Rempel ( USA ) |
| Silvia Ruwa ( D ) |
| Simon ( D ) |
