There is described a lawnmower (1) with a handle (32) pivoted by a pivot (112) and an apparatus (100) for adjusting the height of the handle (32) and tilting it, which comprises a guide cavity (300) where a slide (4) slides, comprises a through opening (40) where said pivot (112) passes, mounting at least one spring (220) which passes from a stretched position to a compressed position of at least one tooth (220) of the slide (4) with a multiplicity of seats (122) of a bracket (110), levers (360) which cause the spring (220) to pass to a position of higher compression, the bracket (110) comprises two step retainers (123) which release said at least one tooth (210) into said position of higher compression of said at least one spring (220) during the phase of tilting the handle (32).
