Can you grow your own cannabis in Washington?

Yes. Washington medical patients can grow at home: 4 plants with an authorization only; 6 plants with a recognition card, up to 15 if the practitioner authorizes; 15 plants max per household.

Rules that usually apply

Plants must be out of public view and secured from minors.
Only registered patients (or their caregivers) may grow.
Selling home-grown cannabis is illegal.

Sources

This guide is general information, not medical or legal advice. Laws change — confirm details with your state agency. State facts last checked October 7, 2026.

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