The experiment was conducted at the Fazenda Capão dos Olhos, in the municipality of Coqueiral, Minas Gerais, Brazil, in the period of 2009 and 2011. The present work aimed at verifying the changes in the foliar anatomy of coffee plants implanted using hydro retainer polymers. For such, we collected leaves for posterior evaluation of foliar anatomy from plants derived from different treatments (dilutions, doses ...