There is at this time no strategy to purchase weed. There won't be any cannabis stores. You will need to increase it your self or be part of a cannabis club. Another way of acquiring weed in Berlin is from the Road dealers located in Görlitzer Park and Volkspark https://wheretobuyweedinberlin30740.bleepblogs.com/34045510/an-unbiased-view-of-where-to-buy-weed-in-berlin