The present invention provides a method for plant genome modification, preferably for the targeted modification of at least one genomic target sequence, for obtaining at least one modified cell, wherein modification of a cell is achieved by providing a genome modification or editing system together with at least one regeneration booster, or a combination of regeneration boosters, which is/are transiently active in the cell and/or with at least one epigenetically regulating chemical. Preferably, the effector molecules are introduced by means of particle bombardment. Furthermore, the modified plant cell is regenerated to obtain a plant, which inherits the modification to its progeny. In addition, methods, tools, constructs and strategies are provided to effectively modify the genome of a plant cell or at least one genomic target site in a plant cell, to obtain said modified cell and to regenerate a plant tissue, organ, plant or seed from the modified cell. Finally, the present invention also relates to an improved method of regenerating a plant tissue, organ or a plant from a single plant cell.