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Schedule Your Online Appointment
Easily book your online appointment and share your medical history with a simple intake form.
Consultation With a Licensed Doctor
After your appointment, your doctor will submit your medical certification electronically to the state registry. You'll then complete your application with additional documents on the official Colorado site.
Get Your Colorado Medical Marijuana Card
Once approved within 1-3 business days, you'll receive a downloadable copy of your Colorado medical marijuana card in your inbox.
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Colorado: Everything You Need to Know
Colorado Law
Colorado’s medical cannabis program was established in 2000 through Amendment 20 to the Colorado Constitution and is regulated by the Colorado Department of Public Health and Environment (CDPHE). Patients with qualifying conditions can receive medical marijuana cards and access medical cannabis through licensed dispensaries.
- Patients must be Colorado residents.
- Only physicians certified by the program may issue medical recommendations.
- Qualifying conditions include cancer, epilepsy, chronic pain, glaucoma, HIV/AIDS, and multiple sclerosis.
- Recreational marijuana is legal.
- Home cultivation is permitted up to 6 plants with extended counts for medical necessity.
- Primary caregivers must be 18 or older and may serve maximum 5 patients.
- Driving under the influence remains illegal and subject to penalties.
- Local governments may impose stricter regulations than state requirements.
Colorado Reform Timeline
2000 – Program Established
- Colorado passes Amendment 20 with 54% voter approval, creating a regulated medical marijuana program
2012 – Adult-Use Distinction
- Amendment 64 legalizes adult-use cannabis while maintaining separate medical program with different rules & tax structures
2017 – Residential Cultivation Reform
- Legislature reduces residential plant limits from 99 to 12 plants per household and establishes medical exemption process for up to 24 plants
2022 – Purchase Limits Reform
- Legislature updates daily concentrate purchase limits while requiring enhanced physician assessments including mental health review.
2025 – Ongoing Improvements
- House Bill 25-1296 expands fee waiver documentation to include federal tax transcripts for low-income patients while continuing regulatory refinements for improved access.
Colorado Possession Limits
Colorado law allows medical patients to possess larger quantities than adult-use consumers and permits home cultivation with physician oversight.
- Patients may obtain up to 2 ounces of flower per transaction as directed by their certifying physician.
- Daily concentrate limits are 8 grams for patients 21+ and 2 grams for patients 18-20.
- Home cultivation allows 6 plants, no more than 3 mature at any time.
- Residential properties are limited to 12 plants for recreational use.
- Caregivers may cultivate up to 24 plants, provided it is also allowed by local regulations.
- All cultivation must occur in enclosed, locked spaces not visible to the public.
- Colorado medical marijuana cards are valid for one year and require annual physician renewal.
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FAQs
Who is eligible for Colorado’s medical cannabis program?
Colorado residents with qualifying conditions including cancer, epilepsy, chronic pain, glaucoma, HIV/AIDS, multiple sclerosis, and conditions requiring opioid prescriptions. A state-certified physician must provide medical certification.
How much medical cannabis can I purchase and possess in Colorado?
Patients can purchase up to 2 ounces of flower per transaction, with daily concentrate limits of 8 grams for patients 21+ and 2 grams for patients 18-20. Products containing up to 20,000 milligrams of THC are also permitted per transaction.
Can I grow medical cannabis at home in Colorado?
Yes, patients can cultivate up to 6 plants (maximum 3 flowering) at home in enclosed, locked spaces in Colorado. Extended plant counts up to 24 plants are allowed with medical necessity documentation.
Can I have a caregiver help me with medical cannabis?
Yes, primary caregivers must be 18+, Colorado residents, and can serve maximum 5 patients. Caregivers can assist with purchasing, transporting, and cultivating cannabis. Parents automatically serve as caregivers for minor patients.
How long is my Colorado medical cannabis card valid?
Colorado medical marijuana cards are valid for one year and require annual renewal with updated physician certification. Online renewals are typically processed within 1-3 business days if all documentation is complete.
Can I use my Colorado medical marijuana card in other states?
No, Colorado medical marijuana cards are valid only within Colorado. Other states have their own medical cannabis programs with separate requirements and do not honor Colorado cards. You must comply with local laws when traveling outside the state.