Composter for a garden

A composter, comprising:

• (a) a downwardly open container configured to stand on the ground;
• (b) said container having a top side formed with a filling opening and a lid for closing said filling opening;
• (c) an unventilated upper chamber formed beneath said filling opening and having a lateral outlet inside said container;
• (d) a ventilated, vertical shaft forming a first composting chamber, said vertical shaft extending downward from an upper end of said container past said lateral outlet of said upper chamber and having a bottom shaft end bounded by a horizontally arranged lower plate, said lower plate being pivotally mounted for pivoting about a horizontal pivot axis in order to empty said shaft;
• (e) a movement mechanism mechanically coupled to said lower plate and having a handle disposed on an outside of said container;
• (f) a downwardly open, ventilated second composting chamber formed directly above the ground and being upwardly delimited by said lower plate;
• (g) a closable lateral removal opening formed next to said second composting chamber;
• and
• a partition wall disposed in said container, laterally bounding said vertical shaft and having air passage openings formed therein, said partition wall extending vertically and defining a closed chamber together with said lower plate, said partition wall being configured for pivoting away from said lower plate and opening said closed chamber when material is pushed against said partition wall by a rotation of said lower plate.