The present working paper summarizes the results of a project titled New plantations Migrant mobility, ‘illegality’ and racialization in European agricultural labour. Our work in this project focuses on labour market mediation in the domain of expanding agro-business in Europe. We start from the consideration that a large section of agricultural labour today is performed by transnational migrants coming from both within and outside the European Union (see e.g. Forum civique européen 2002, Potot 2010, Morice and Michalon 2009, Gertel/Sippel 2014, Duflot 2011, Corrado/de Castro/Perrotta 2017). While practicing different strategies of mobility, such migrant workers are typically caught in a web of multiscalar border assemblages, which channel, filter and differentiate their permissions, rights and claims. At the same time, their presence is also partly a reaction to the generated need for cheap and flexible labour in what have become increasingly globalized food production chains on the continent. One of the major factors behind the rapid expansion of precarious migrant labour in the European agri-food sector, for example, has been the intensification of flexible, retail-driven – or monopsonic – agricultural production in the context of international trade liberalization. Such transformations often fall back on, and keep on propelling the demand for malleable, low-paid work these migrant workers are increasingly asked to fulfill. New Plantations highlights this new labour paradigm while also pushing for a conceptual innovation to better grasp the multiscalar and multidimensional dimensions of migrant labour in this context.