750 shrubs and three mature eucalyptus trees were planted. The garden absorbs up to 75% of rainfall, thus reducing the runoff dramatically. Water captured under the decking is fed into the nearby planting containers.

The combination of indigenous flora provides important habitats for native bird and insect populations. Cities where concrete and tarmac predominate retain heat and create “urban heat islands”, as much as 5⁰C warmer than surrounding suburbs. The selected planting, through transpiration, directly cools the air, and reduces the surface roof temperature. The large leaved planting produces oxygen, and removes carbon dioxide from the air. They also trap up to 85% of airborne particulates on their leaf surfaces.