Back to the Verge: Costa gets stuck back into his verge garden after building work temporarily halted progress. Plant Profile - Algerian Iris: We profile the beautiful Algerian Iris. Smoke King: Josh meets a scientist unlocking the relationship between fire and native plants in a wonderfully diverse area of Western Australia. Perfect Seed Bed: Jerry shares his grandmother's technique for preparing the perfect seed bed guaranteed to lead to success. FAQs - Fertilising in Winter | Cherry Tree | Leaf Curl: Answers to commonly asked gardening questions. My Garden Path: We meet a passionate young conservationist and learn about the process of repopulating the wild with threatened orchids. Smoke Your Own: Josh learns how to smoke native plant seeds to aid germination.