Guelma, located in central northeast Algeria, is known for its semi-arid climate, which directly affects the use of its public gardens, as well as the presence of basic urban furniture. How does urban furniture contribute to the qualification of a public garden based on its users’ vision? The purpose of this article is to highlight the necessity of promoting urban furniture as a sustainable social, economic, and environmental lever to improve the city's public gardens. The methodological approach used in this study focused on the following evaluation phases: spatial, climatological, energetic, and sociological, using, in order, photo-interpretation and photography, in-situ climate measurements, energetic data from the assembly of the commune of Guelma, and a sociological survey, we depended on direct observation throughout all phases of this investigation. The findings show that urban furniture faces social, environmental, and economic challenges, making it an important and essential element that affects the use of a garden. In the process of developing the quality of public gardens use, the recommendations emphasize the importance of this research, presenting proposals to improve the design of urban furniture, towards the creation of contemporary sustainable public gardens in the city of Guelma. This is an important step towards designing sustainable and smart public spaces to promote sustainable urban development.