Frequently asked questions How much cannabis can I possess in Utah with an MMJ Card? In Utah, you can possess the following amounts with a valid MMJ Card: In any one 12-day period, patients may not purchase more than the lesser of: An amount sufficient to provide 14 days of treatment based on the dosing parameters that the relevant qualified medical provider (QMP) recommends; or 56 grams of unprocessed cannabis (flower); or More than a total of 10 grams of tetrahydrocannabinol (THC) in medicinal form If a qualifying patient’s primary residence is 100 miles or greater from a medical cannabis pharmacy or local health department: In any one 28-day period, patients may not purchase more than the lesser of: An amount sufficient to provide 30 days of treatment based on the dosing parameters that the relevant qualified medical provider (QMP) recommends; or 113 grams of unprocessed cannabis (flower); or More than a total of 20 grams of tetrahydrocannabinol (THC) in medicinal form