Shallot is one of the greatest agricultural commodities in Bantul District. Along with the increasing of citizens awareness about the sustainable agricultural products, the farmer group in Bantul District produce the semi organic shallots named GLOWING (Gede Lebih Original Berwawasan Lingkungan) and provide the advantages such as the minimal use of chemical fertilizers and pesticides. The sustainability of shallot farming is a multidimensional concept that requires a balance on the economic, ecological and social aspects. This study aims to measure the sustainability level of shallot farming in the core aspects such as economics, ecological and social based on shallot farmers perception in Bantul District, Daerah Istimewa Yogyakarta. The research location was determined purposively in Bantul District, Daerah Istimewa Yogyakarta. The research sample was taken using census method and designed as a descriptive study from 153 members of Lestari Mulyo and Bumi Mukti Farmer Group in Bantul District. Data were collected using interview, observation, and literature review then analyzed using qualitative descriptive analysis and farming sustainability index. The results showed that the sustainability level of semi organic shallot farming based on farmers perception in Bantul District at the economic is quite sustainable and at the social, ecology aspects is very sustainable