The research of dendroflora of the Garden of Medicinal Plants in Plewiska (near Poznań) was carried out in 2007–2008. Approximately 230 species and varieties belonging to 61 families were noted. Among them 58 species are medicinal plants. A great number of families are: Rosaceae (37 taxa), Caprifoliaceae (15), Fabaceae (13), Pinaceae (12) and Aceraceae (11).