RHS commercial director Gordon Seabright will talk to the Garden Centre Association conference about working more closely with the trade.
Ian Boardman will show pictures of the best GCA members' displays.
Retail Week writer John Ryan will talk about new retail formats.
Rob McHarg from Training for Success will talk about reducing shoplifting.
Phil Rogers from Incito will speak of his experience at Asda and Ikea.
Former John Lewis executive Andrew McMillan will talk about customer service and entrepeneur BJ
Cunningham will speak about premium brands.
BDO accountant Don Williams and Lloyds TSB economist Adam Chester will also speak.
There will also be a rugby match, associates night (24 January) and black tie dinner (25 January).