Costa Georgiadis is at Queensland's Garden Expo, Tino Carnevale plants a 3D patch, Josh Byrne picks some native ground covers, Sophie Thomson describes her more unusual vegetables, and we meet a man who only grows peonies.

Jane Edmanson meets a bonsai artist who grows native trees, Josh Byrne suggests some tiny eucalypts, Sophie Thomson discovers an Aussie shrub that keeps pests off lettuces and Clarence Slockee shares his top bush herbs.