sustainability Article Sustainable Community Gardens Require Social Engagement and Training: A Users’ Needs Analysis in Europe 1, 2, 3,4, 1 Jesus Ochoa y, Esther Sanyé-Mengual y , Kathrin Specht y, Juan A. Fernández , Sebastián Bañón 1, Francesco Orsini 2,* , Francesca Magrefi 2, Giovanni Bazzocchi 2, Severin Halder 5, Doerte Martens 6, Noemi Kappel 7 and Giorgio Gianquinto 2 1 Department of Vegetable Production (ETSIA), Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain 2 Research Centre in Urban Environment for Agriculture and Biodiversity (ResCUE-AB), Department of Agricultural and Food Sciences (Distal), Alma Mater Studiorium-University of Bologna, Viale Fanin 44, 40127 Bologna, Italy 3 Department of Agricultural Economics, Humboldt-Universität zu Berlin, Unter den Linden 6, 10099 Berlin, Germany 4 ILS—Research Institute for Regional and Urban Development, Brüderweg 22-24, 44135 Dortmund, Germany 5 Centre for Rural Development, Humboldt Universität zu Berlin, Unter den Linden 6, 10099 Berlin, Germany 6 Department of Environmental Education and Education for Sustainable Development, Eberswalde University for Sustainable Development, Schicklerstraße 5, 16225 Eberswalde, Germany 7 Department of Vegetable and Mushroom Growing, Corvinus University of Budapest, F˝ovám tér 8, 1093 Budapest, Hungary * Correspondence:
[email protected] These three authors equally contributed to the manuscript. y Received: 13 June 2019; Accepted: 19 July 2019; Published: 23 July 2019 Abstract: Urban gardens are spreading in many cities across Europe, with community gardening being a fundamental form of urban agriculture. While the literature reveals the essential role that community gardens can play in terms of learning and education, no studies have investigated the training needs for participants in community gardens to ensure their successful development.