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How much recreational cannabis can I purchase in Montana?

Adam avatar
Written by Adam
Updated this week

One ounce of useable marijuana may be purchased and possessed by an adult-use consumer. What is one ounce of usable marijuana? (ARM 42.39.118)

  • 1 ounce of marijuana flower

  • 800 milligrams of THC infused marijuana products (e.g., edibles, capsules, topicals, tinctures)

  • 8 grams or 8 milliliters of marijuana concentrates

Adult-use consumers also have limitations on the potency of marijuana and marijuana products. (MCA 16-12-224)

  • Marijuana sold as flower: 1 ounce of usable marijuana. The total potential psychoactive THC of marijuana flower may not exceed 35%

  • Marijuana product sold as a capsule: no more than 100 milligrams of THC per capsule and no more than 800 milligrams of THC per package

  • Marijuana product sold as a tincture: no more than 800 milligrams of THC

  • Marijuana product sold as an edible or a food product: no more than 100 milligrams of THC. A single serving of an edible marijuana product may not exceed 10 milligrams of THC

  • Marijuana product sold as a topical product: a concentration of no more than 6% THC and no more than 800 milligrams of THC per package

  • Marijuana product sold as a suppository or transdermal patch: no more than 100 milligrams of THC per suppository or transdermal patch and no more than 800 milligrams of THC per package

  • Any other marijuana product: no more than 800 milligrams of THCMontana.

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