English (Dutch version follows): The increasing appreciation of urban greenery and (peri-)urban forests is a clear social trend. The great importance of urban forests has already been demonstrated on many occasions, with more and more attention being paid to the health-promoting effects of sufficient (accessible) urban green space. However, this actualisation study on the achievements of (peri-)urban forests in Flanders (Northern Belgium) shows that the developments in the field and the policy show an evolution which is diametrically opposed to this. The study clearly shows that the realisation of (peri-)urban forests has stagnated to a very large extent since a first study in 2011. With the exception of the city of Ghent as a unique, very positive outlier, no other city or municipality in the past 7 years has been able to develop more than 30 ha of urban (peripheral) forest. Only 8 smaller urban regions realised in those period more than 10 ha of forest extension, while 22 towns and cities have a limited ...