Cultivators are allowed to grow up to 6 crops at their homes each year and shall not surpass 480 g ( 17 oz ) .
Users have to be 18 or older and be registered in a national database to track their consumption .
Cultivators are allowed to grow up to 6 crops at Users ' homes each year and shall not surpass 480 g ( 17 oz ) .
Users have to be 18 or older and be registered in a national database to track their consumption .