Guide to Outdoor Space Design for People with Dementia. The authors connect the fields of landscape architecture and gerontology, sharing their extensive professional experience. Based on a fundamental understanding of the age-related condition of dementia, they explain the specific requirements for garden designs tailored to individuals with dementia. Through numerous practical examples, the process is described: from idea generation to concept development, and on to concrete planning, financing, material and plant selection, implementation, and maintenance. Detailed plant tables and a questionnaire for garden use are valuable additions for providers, decision-makers, and staff in elder care facilities, as well as landscape architects and garden designers.