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 environment has resulted in research documenting the benefits of nature for reducing stress, improving mood, and increasing healthcare satisfaction