In the sixth episode of Gardening Australia in 2023, Costa visits a food garden that showcases a variety of cultural delicacies. Jane is left in awe by some exquisite botanical art. Clarence raises awareness about a ubiquitous weed that poses a danger to our surroundings. Meanwhile, Josh is busy creating a habitat that supports local wildlife. Sophie has a delightful encounter with a group of maple collectors who share their knowledge and passion for the sweet syrup. Jerry, an avid gardener, adds a stunning perennial border to his garden. Finally, we meet an inspiring individual who champions waste reduction and recycling, making her a true waste warrior.