How a simple hole in the ground feeds a forest
In short: In a steep Sydney backyard, a gardener transformed a challenging slope into a self-sufficient food forest. By using permaculture principles, she turned waste and runoff into a productive oasis, proving that clever design can make a garden work for you, rather than you working for the garden.
In Middle Cove, Sydney, Nita faced a significant topographical challenge: a 7-meter cliff-like slope in a warm temperate to sub-tropical climate. To avoid the physical toll of hauling mulch and waste up and down stairs, she applied permaculture design principles to create a garden that prioritizes accessibility and self-preservation. This approach ensures that the garden's layout minimizes manual labor while maximizing ecological output, turning a difficult terrain into a functional food forest established between 2016 and 2017.
A centerpiece of this system is the 'banana circle.' While it may appear to be just a hole in the ground, it is actually a sophisticated circular swale. This design captures water runoff—or even greywater during periods of scarcity—and directs it toward a central pile of compost and organic matter. For fast-growing edibles like bananas and pawpaws, this setup creates a high-efficiency production zone. Because bananas bear fruit on the outside of the circle, the arrangement maximizes space while providing the plants with a protective microclimate against wind and frost.
The broader garden is a masterclass in upcycling and resource management. It features a diverse array of systems, including wicking beds, worm farms, composting bays, and a native bee hive. Nita integrated reclaimed pots and an upcycled shed into the landscape, alongside a 'verge garden' and a Street Library. By combining these elements, the garden functions as a self-sufficient zone where organic waste is continuously recycled into food, demonstrating how intentional design can turn suburban waste into a lush, edible landscape.
This project was originally intended to be a physical stop on the Sydney Edible Garden Trail in March 2020. Although the physical trail was postponed, the garden serves as a model for sustainable suburban living. It highlights how specific techniques—like using swales for water management and circular planting for microclimate protection—can allow even small, difficult spaces to produce a high volume of diverse crops like arrowroot, pigeon pea, and pepino.
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- Summary by Intellect · source: Productive up-cycled food forest in suburban Sydney garden
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