Millie Ross revamps a challenging garden bed, Josh Byrne meets composting entrepreneur, Jerry Coleby-Williams visits an Aroid addict and Jane Edmanson celebrates Botanic Gardens Day with a trip to Geelong's Botanic Garden.

Sophie Thomson meets a caper cultivator, Costa Georgiadis learns about a composting critter, Guest Presenter Hannah Maloney helps a young couple blitz their backyard and Tino Carnevale visits a 'sub-tropical' Hobart garden.