Over a three-year period (1997-1999) investigations were conducted on the effect of 6 date of cut to the stub on tree trunk diameter, height and branching of sour cherry maidens in the nursery. On the Prunus mahaleb seed1ing rootstock were found no significant influence of the date between January, 15 - March, 30 of eut to the stub on growth of sour cherry maidens cv. 'Łutówka' (tree trunk diameter and branching) and efficiency of nursery. The date of cutting in 15 April decreased trunk diameter and percent of the first qua1ity trees.