The panel discussion is "all about change" and the "what does the changing landscape mean for garden retail?"
Issues likely to be covered are the economy, product trends, the changing consumer, legislation and innovation.
Matthew Bent, managing director of Bents Garden & Home, Sam Bosworth, director of Choice Marketing and Julian Winfield, chief executive officer of Haskins Garden Centres, are the other panellists.
The panel discussion is chaired by Horticulture Week deputy editor Matthew Appleby.
Homebase managing director Echo Lu has dropped out and trading director Jon Kemp has replaced her.
Other speakers include David Domoney, Chris Collins, Barry Page and weather man Bill Giles.