Medical Marijuana Possession Amounts

Possession Amounts

Any adult aged 21 or older

Can purchase any combination of the following from a licensed retail marijuana store:

  • One ounce of usable marijuana
  • Sixteen ounces of marijuana-infused product in solid form
  • Seventy-two ounces of marijuana-infused product in liquid form, or
  • Seven grams of marijuana concentrate

Recognition card holders

Qualified patients and designated providers who are entered into the medical marijuana database may legally purchase sales-tax free any combination of the following from a licensed marijuana store with a medical endorsement:

  • Three ounces of usable marijuana
  • Forty-eight ounces of marijuana-infused product in solid form
  • Two hundred sixteen ounces of marijuana-infused product in liquid form or
  • Twenty-one grams of marijuana concentrate

Recognition card holders may also grow in their home or as a member of a cooperative:

  • Six plants for personal medical use, and
  • Possess up to eight ounces of usable marijuana produced from their plants.

If the patient's healthcare practitioner determines the patient requires more than the presumptive amount, they may authorize:

  • Up to 15 plants for personal medical use, and
  • May possess 16 ounces of usable marijuana produced from their plants.

Note: No more than 15 plants may be grown or located in any one housing unit even if multiple qualifying patients or designated providers reside in the housing unit. The only exception will be for registered cooperatives defined under RCW 69.51A.250.

Qualified patients and designated providers with a valid authorization form who choose not to be entered into the database may:

Purchase only the amounts allowed for non-patients.

Grow in their home:

  • Four plants for personal medical use, and
  • Possess up to six ounces of usable marijuana produced from their plants.

Note: No more than 15 plants may be grown or located in any one housing unit even if multiple qualifying patients or designated providers reside in the housing unit. The only exception will be for cooperatives.

Non-recognition card holders

Qualified patients and designated providers with a valid authorization form who choose not to be entered into the database may:

  • Purchase only the amounts allowed for non-patients, 21 and older as listed above.
  • Grow in their home:
    • Four plants for personal medical use, and
    • Possess up to six ounces of usable marijuana produced from their plants.

Patients and designated providers who aren't entered into the database are limited to four plants and six ounces of usable marijuana even if a higher number of plants is indicated on their authorization. Patients and designated providers who aren't entered into the database have only an affirmative defense to criminal prosecution.

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