Medical marijuana Calgary

Marijuana & The Law: The Limits You Have To Know

Despite marijuana being legalized in Canada in October 2017 through Bill C-45, many people still do not understand the law and their limitations. In a way, marijuana is now being treated like alcohol – you can use it, but some regulations come with it. Unfortunately, people do not know where the line stands from it being legal and illegal, especially when it comes to medical marijuana.

This blog post aims to provide you with clarifying information, so you know where you stand when it comes to cannabis, medical marijuana, the law and its limitations.

You Have To Buy Marijuana At A Licenced Producer

You can only obtain medical-grade cannabis at licenced producers, and only if you have a prescription. You will have to visit your GP, who will get you an appointment at a cannabis clinic in Calgary with a healthcare practitioner. You will undergo a consultation to determine if you are eligible for medical cannabis. If you have been granted approval, you will be registered with a licenced producer and will be provided with educational information about medical marijuana and how it will affect you.

Marijuana prescription Calgary

In regards to recreational cannabis, you can only buy that at licensed dispensaries, privately-owned retail stores or government-operated online sites. Any purchase of marijuana outside these forms will be considered illegal.

You Can Only Use Marijuana At Home Or Unregulated Places

Recreationally, you can only use marijuana at home or in some public places where tobacco smoking is allowed. For medical marijuana, you can use it as needed. However, you cannot use it in your car, even if you are not driving. Finally, you have to be over 18 years old to use marijuana.

Yes, You Can Get A DUI If Your Drive While High

As we mentioned previously, marijuana is being treated alcohol, so you cannot drive while you are high. You could face fines, criminal charges or jail time if it is determined that you are high while on the road.

If you have a prescription for cannabis, you will be subjected to saliva testing against the proposed legal limits of THC, so you can still face charges if you are considered over the limit. Speak to your healthcare professional about the limits of your medication and how it affects your driving.

You Can Have Some On You – But Not Too Much

Depending on which province you live in, there will be limitations to how much marijuana you can have on you while out in public. In Alberta, 30 grams of dried product is the most you can carry or buy at any time.

Medical marijuana

The laws are different when it comes to marijuana possession in your home. If you have a medical cannabis prescription, you can hold either:

  • The total amount of what your prescription allows you
  • A maximum of 150 grams, or if your prescription exceeds 5 grams a day

What About Non-Dried Products? 

This is where it gets tricky. Marijuana is no longer limited to mean being a ‘smoking’ product, with a range of alternatives being available, including capsules, oils and creams. You still have to follow laws that equal to the limits set by the Canadian Government. Measuring against one gram of dried product, you can have:

  • One cannabis plant seed
  • 0.25 grams of solid or liquid concentrates
  • 70 grams of liquid product
  • 15 grams of edible marijuana
  • 5 grams of ‘fresh’ cannabis

You then have to multiply that number to match the 30 grams you are legally allowed to have. For example, you can have 150 grams of fresh cannabis as it equals to 30 grams of dried product (5 x 30 = 150).

Growing Marijuana Plants In Your Home Is Fine…But Within Regulations 

If you have obtained an ACMPR (a licenced decreeing that you can grow your own marijuana), as well as having a medical cannabis prescription, you will be able to grow medical marijuana in your own home. But there are some stipulations that you must follow first:

  • You must be over 18 years old
  • You have no prior marijuana offense
  • You are not registered more than any one time

In Alberta, you can grow up to four plants per household.

Finally…What Can Of Trouble Can I Get Into? 

The Canadian Government has stated that you will be subjected to the full extent of the law if you are deemed to have acted outside the framework of these laws. Punishments can range from fines to 14 years in jail, especially if it is considered that you have acted with criminal intent. Make sure that you understand the consequences that come with breaking the law.

We hope this blog post will prove useful to you when it comes to understanding your rights to marijuana. If you need more information, speak to your medical expert at your cannabis clinic in Calgary.

MD Cannabis Clinic is a cannabis clinic in Calgary striving to serve all patients with an educational and efficient approach. Medical marijuana can help with a variety of ailments from chronic pain to neurological and mental health. If you’re a candidate for a medical marijuana prescription, book an appointment with MD Cannabis Clinic today! Call us at (403)276-2777 or send an email to

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