na duzi period, a i generalno gledajuci, bitno je kako se cuva/skladisti: "Exposure to light (not direct sunlight) was shown to be the greatest single factos in loss of cannabinoids" ... "It is concluded that carefully prepared herbal or resin cannabis or extracts are reasonably stable for 1 to 2 years if stored in the dark at room temperature." podaci su iz clanka The stability of cannabis and its preparations on storage