Horticulture Conference 2018 // Speakers Magnolia Sonneland Full Bio Graham Hawkes Full Bio Ed Butler Full Bio Alasdair MacLeod Full Bio David Hadfield Full Bio Jon Manhire Full Bio Mike Hedley Full Bio Bruce Beaton Full Bio Susannah Roelofsz Full Bio Sarah Morgan Full Bio Andrew Barber Full Bio Bruce Searle Full Bio Robbie McCormick Full Bio Kok Hwee Ng Full Bio Stephen Sexton Full Bio Sue Pickering Full Bio Hayden Higgins Full Bio Jamie Tuuta Full Bio James Trevelyan Full Bio Sharon Forbes Full Bio Jamie Lunam Full Bio James Ryan Full Bio Mike Chapman Full Bio Dr Steve Wratten Full Bio Dr. Charles “Merf” Merfield Full Bio Dr. Alison Stewart Full Bio Bruce Robertson Full Bio Dr. Steve Thomas Full Bio Charlotte Connoley Full Bio