Pam Vardy, Virginia Heywood - Guide, Royal Botanic Gardens Melbourne, Graham Sargeant - Silkies Rose Farm, Clonbinane, and Greg Boldiston - Longinomus Plants.
Pam Vardy, Virginia Heywood - Guide, Royal Botanic Gardens Melbourne, John Arnott - Manager of Horticulture, Cranbourne Botanic Gardens, and Graham Sargeant - Silkies Rose Farm, Clonbinane.