This paper analyses the institutional development of organic food and farming from 2004 to 2012 in six European countries: Austria, Bulgaria, Czech Republic, Estonia, Hungary and Romania. Based on document analysis and expert interviews with key informants on organic farming development in each country; similarities and differences in the development of the organic sector were analysed to evaluate if countries gaining accession to the EU at different times undergo similar organic sector development. Furthermore, the development of the organic sector was explored against the background of increasing involvement of the mainstream agricultural sector in organic farming development. To conclude, the uptake and support of organic farming by main...