Overview: On the Verge - Traffic: Costa builds paths around and through the verge to prevent plants being trampled, and to allow car doors to open. The Palm Lady: Jane visits a passionate gardener who has filled her garden with palms from all over the world, and what's more remarkable is that she's done this in cool climate Melbourne. Potted Fruit: Colin plants small fruit trees in containers for easy access and low maintenance, so no matter how small a garden, fruit is still possible. A Cool House: Angus checks out a Sydney house and garden designed to be energy efficient and sustainable and which makes brilliant use of local plants to reduce the energy demands of the house. Grand Designs: John visits a spectacular Italian style villa on the Victorian coast whose formal design incorporates the production of fruit, vegetables and herbs.