1998 - 1999

Harry Wise, on Appalacian Azaleas

Frank Fujioka, on modern rhododendron hybrids

Steve Hootman

Peter Wharton

Bill Herbst

Mike Calnan, Director, British National Trust Gardens

1997 - 1998

George McLellan, on Appalachian azaleas

Anne Berry, former owner of Rosemoor, Devon, England; now of Hackfalls Arboretum, New Zealand.

Gerry Gibbens

Richie Steffin, Propagator at the Rhododendron Species Botanic Garden

Charlie Sale

John Bond, Keeper of the Gardens at Windsor Great Park

1996 - 1997

Douglas Harris, formerly Director of Exbury Gardens, 'From the Himalayas to Hampshire'.

Alleyne Cook

Douglas Justice

Keith Wade, on Vireyas

Steve Hootman