Tourists (and locals) can not buy Cannabis products that contains THC in Germany, and this may not adjust. You can't legally take weed from the German neighborhood who continues to be rising it for his or her non-public use at your house. This would criminalize you and him. I.e., https://buycannabisingermany98621.creacionblog.com/36219435/top-guidelines-of-buy-cannabis-in-germany