People that were living in large and dense cities, a good quality of life depend largely on the quality of the urban environment [1]. Nearly four out of five European citizens live in urban areas where existing environmental quality limits are breached. Public parks and private gardens play a critical role in supporting biodiversity and providing important ecosystem services in urban areas [2,3]. Especially, green areas outside hospitals are considered not only to be necessary but also beneficial. Renewed interest in nature within the hospital