Washington cannabis law

Key points
Legal status
Possession limits
Medical patients 3 oz
Recreational users 1 oz
State taxes
Medical patients 0%
Recreational users 37% excise tax
Cultivation
Medical patients 6-15 plants
Recreational users Illegal
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i qualify

Do I qualify?

Find out if you're eligible for medical cannabis with our quick and easy quiz
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👋 What if I didn’t find my disease on this list?
You might be surprised at the many qualifying conditions for a medical marijuana card 👌
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Concise guide to Washington's medical marijuana laws

Qualifying Conditions

  • Cachexia
  • Cancer
  • Crohn’s disease
  • Glaucoma
  • Hepatitis C
  • HIV or AIDS
  • Intractable pain
  • Persistent muscle spasms, and/or spasticity
  • Nausea
  • Post Traumatic Stress Disorder
  • Seizures
  • Traumatic Brain Injury
  • Any “terminal or debilitating condition”

Patient Possession Limits

Those entered in the state’s voluntary patient database may possess: 48 ounces of marijuana-infused product in solid form; 3 ounces of useable marijuana; 216 ounces of marijuana-infused product in liquid form; or 21 grams of marijuana concentrates.

Home Cultivation

Those entered in the state’s voluntary patient database may cultivate, in his or her domicile, up to 6 plants for the personal medical use and possess up to 8 ounces of useable marijuana produced from his or her plants. If the health care professional determines that the medical needs of a qualifying patient exceed the amounts provided, the health care professional may specify on the authorization that it is recommended that the patient be allowed to grow, in his or her domicile, up to 15 plants, yielding up to 16 ounces, of usable marijuana for the personal medical use of the patient. Qualified medical marijuana patients and designated providers may purchase immature plants, clones, or seeds from a licensed producer. In order to purchase plants or clones the patients and providers must hold a recognition card and be entered in the medical marijuana authorization database.

If a qualifying patient has not been entered into the medical marijuana authorization database, he/she may grow, in his or her domicile, up to 4 plants for the personal medical use of the qualifying patient and 6 possess up to six ounces of useable marijuana in his or her domicile.

More information on patient possession limits »

State-licensed Dispensaries Allowed

No, but retail providers may also engage in the sale of medical cannabis.

Medical Marijuana Statutes

Wash. Rev. Code §§ 69.51A – 69.51A.901 (2007)

Wash. Rev. Code §§69.51A.010, 69.51A.040 (2007)

Caregivers

Yes, designated provider is a person who has been designated in writing by a patient to serve as a designated provider. The caregiver must be 21 years of age or older. The provider must also possess either authorization from the qualifying patient’s health care professional or has been entered into an authorized database. The provider must only provide cannabis to the expressed patient.

Estimated Number of Registered Patients

11,836

Source: Washington State Department of Health, as of December 2023

Employment Protections for Qualifying Patients

No

Reciprocity

No

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