Gemini summary:
Germany has become the ninth country in the world to legalize cannabis. The new law allows individuals to grow up to three cannabis plants for personal consumption and to possess up to 25 grams of the drug. Cannabis clubs will also be allowed to grow and sell cannabis to their members. The law is expected to come into effect in April 2024.
You literally just described Norway (with some minor differences). Anything above 4,7% can only be bought from the state owned Vinmonopolet (wine monopoly)