Garden spaces should be used to speed up and aid in recuperation and healing, for treatment and as safe haven. These designs need careful consideration and planning as they need to consist of healing plants that can be used as medicines and on a sensory level, they need to be helpful through the 5 senses, such as touch and smell, smell, sight and hearing. For a comprehensive list of medicinal plants, see www.gardeningeden.co.za/plants-uses-medicinal-plants.html
Besides peace and beauty, geometry and layout that consider Feng Shui principles is another important consideration as natural good energy flow (such as streams and other water channels) is vital in good health.
Many hospitals and nursing institutes are nowadays making use of small spaces turned into green healing zones and scientific research have proved the benefits on human health through nature and natural beauty. Thus practicalities such as wheelchair-accessibility for instance are incorporated.