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Marijuana in Boulder

Here's an overview of medical and recreational marijuana laws in Boulder. See Marijuana Businesses for information about medical and recreational marijuana businesses in the city.

Marijuana Facts

  • Marijuana is also called “cannabis” because the scientific name for the plant is cannabis sativa.
  • There are two categories of marijuana: medical and recreational.
  • Recreational marijuana is also called retail marijuana.
  • There are different terms used for stores that sell marijuana such as dispensaries, retail centers and wellness centers.  
  • There are four types of licensed marijuana businesses in Boulder: 1) stores where product is sold 2) grows where marijuana plants are cultivated 3) manufacturing facilities where marijuana is turned into hash oil and/or put into food 4) testing facilities that check THC content and check for harmful bacteria.
  • Hemp is also the cannabis sativa plant but with less than .3 percent THC content.
  • THC is the psychoactive part of marijuana that causes a “high” sensation.
  • Concentrates can be extracted from marijuana and have much higher THC levels.
  • Concentrates can be heated and turn into vapor then inhaled or they can be added to food or drinks.
  • Some common terms for concentrate are hash, budder, shatter and wax.
  • Some of Boulder’s municipal codes are stricter than state laws so check Boulder’s codes before buying, using or growing marijuana.  

Frequently Asked Questions

How old do I have to be to buy and use marijuana?

21 years old.

How old do I have to be buy and use marijuana if I have a medical marijuana card?

18. If you are 17 or younger you must have a parent present.

Can I use my Buff Card to buy marijuana?

No. You must have a valid government issued ID such as a driver’s license or passport.

Can my roommate or spouse also have six marijuana plants for a total of twelve?

No. You may have up to six plants per household.

Where can I grow the plants in my house?

In and enclosed and locked space.

Can I grow marijuana plants outside?

Yes, in an enclosed and locked such as a shed. The enclosed and locked space must be covered.

Can I construct an enclosed and locked space in my house to grow marijuana?

You must have building permits to alter your residence.

Can I receive a ticket if someone complains about the smell of marijuana coming from my house?


Can I give away marijuana I harvest from my plants?

Yes, but only if the product is used at your house. It cannot leave your house.

Can I extract marijuana concentrate at my house using chemicals such as butane?


Can I mail marijuana?


Can I sell marijuana?


Can I give marijuana to my friends in payment for favors?


Can I use marijuana in a car?

Only if you are a passenger in a “vehicle used primarily for compensation” such as a party bus or limo.

Can I have an open container of marijuana in a car?

Yes, if it is in the trunk or behind the last upright seat if there is no trunk.

Can I cross Colorado state lines with marijuana in my car?


Can I be arrested for DUI if I use marijuana and drive?


Can I use marijuana on my front or back porch?

Yes, if it is a private residence and the area is fenced in.

Can I use marijuana in public?


Can I display marijuana in public?


Does the police department enforce marijuana laws?


Who do I contact for questions about marijuana?

Marijuana Enforcement Officer Rebecca Bostrack can be reached at 303-441-3460 or [email protected] .
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