In the afternoon, they will take part in the Ballance Agri-Nutrients Leadership Panel to give their views on a contemporary leadership issue. Spectators are welcome to attend all events.
The final test will be delivering a speech in front of the judges at an awards dinner.
For those who cannot attend, both the panel and speeches will be live-streamed on the Horticulture New Zealand YouTube channel.
The competition's practical modules will take place at the Sound Shell, Marine Pde, while the business modules, leadership panel and awards dinner will be held at the Napier Conference Centre.
* For tickets for the evening awards dinner, visit eventspronto.co.nz.