Jerry joins an environmental specialist in a section of Brisbane bushland, examining plants that have naturalized from domestic gardens.
Costa encounters a local forager with a deep appreciation for the edible plants found growing wild.
A looming threat: John visits John Arnott at the Royal Botanic Gardens Cranbourne to learn more about myrtle rust, a novel fungal disease with the potential to endanger a vast array of Australian flora.
Josh prepares his garden for spring, undertaking essential tasks to ensure a healthy season free from pests and disease.
A simple solution: Sophie explores a lettuce farm where thoughtful native planting has effectively minimized pest and disease issues.