Overview: On the Verge - Creating Waves: Costa's on the verge with his neighbour planting a range of colourful winter veggies in a wavy pattern. Building for Bugs: Josh is building specialised habitat to attract a range of critters into his son's play area. Bespoke Vegies: Jerry profiles some of his favourite home grown vegies that are hard to find at the greengrocers. Zoo with a View: Sophie visits Adelaide Zoo to see how they have increased their garden space using the roofs of their buildings. A Horticultural Wonderland: Jane uncovers a gardener who has snipped and shaped his garden into a topiary wonderland in Melbourne's West