Gardens and green spaces are good for the health of humans and the wider environment and trees play a vital role in this. In the past, trees have been selected primarily for their ornamental value but these essential life-giving plants have the potential to deliver a vast array of ecosystem benefits, but only if we plant the right tree in the right place. To combat the damaging effects of climate change we need mature trees and species diversity, which means careful selection for site and function. International tree expert Henrik Sjöman along with garden designer and passionate advocate for the environment Arit Anderson identified the need for and dedicated themselves to this visionary new resource. Easily accessible text, backed by the latest scientific research, describes the We learn that some trees excel at particular functions and how to select trees for specific conditions such as droughts and storms. The A-Z is a unique selection of and a range of other criteria that will ensure their contribution to our future gardens and landscapes. A completes the resource and will spark the tree selection process.