Social movements and local administrations promote urban community allotments since the 70's. The aim of the work was to analyse the motivations to cultivate an allotment by the pensioners in Valladolid (Spain) according to their social and demographic profile in order to help the promoters to better cover their expectations. A qualitative analyse was carried out and personal interviews to the pensioners were developed. A Chi-squared significance analyse were used to obtain the relationship between the social-demographic and the motivations variables. The pensioners cultivate for leisure, healthy and to obtain foodstuffs mainly. The study confirmed that the motivations depend on the pensioner profile. The origin and the profession sector determine the pensioner motivations to cultivate a community allotments in Vallodolid city.