Weed is partly legal in Luxembourg. Since July 2023, adults can consume cannabis inside their own home and grow up to four plants per household, but buying it, selling it, carrying it in public, or using it anywhere outside your residence all remain illegal. Luxembourg legalized personal use without creating any legal place to purchase the product, which is why most residents who use cannabis grow their own.
What You Can Legally Do at Home
Two activities are permitted for adults aged 18 and over: consuming cannabis in your home or habitual residence, and cultivating up to four plants per household.1Portail de la Police Grand-Ducale. New Regulations for the Use and Cultivation of Cannabis
The four-plant limit applies to the whole “domestic community,” meaning everyone living under the same roof and sharing a budget. Four roommates in one apartment still get four plants between them, not sixteen.
Home cultivation comes with specific rules:
- Plants must be grown from seeds, not clones or cuttings. The seeds must be labeled with the producer’s name, the number of seeds, and a health warning.
- Growing can happen indoors or outdoors, but only at your home or habitual residence.
- Plants cannot be visible from any public space, including roads, sidewalks, or neighboring properties. Balcony and garden growers have to conceal them.
Consumption is restricted to the home as well. One rule applies even inside your own walls: you cannot consume cannabis in the presence of anyone under 18.2Portail de la Police Grand-Ducale. Drugs
There is no legal retail market for either cannabis or seeds inside Luxembourg. The reform legalized the activity but not the supply chain, which is the gap most new users run into first.
What Stays Illegal
The list of prohibited conduct is longer than what the law permits.
- Buying or selling cannabis. There are no licensed dispensaries or coffeeshops anywhere in the country.
- Sharing or gifting cannabis, or producing it with the intent to give it to someone else.
- Consuming cannabis in any public place, including parks, streets, restaurants, shared hallways in apartment buildings, and vehicles.
- Carrying cannabis outside your home in any amount.
- Offering cannabis in any form to someone under 18.
Facilitating another person’s use is itself a criminal offense, so passing a joint to a friend is not a legal gray area.
Fines and Prison Time
Penalties scale sharply with the offense, and the gap between the smallest and largest consequences is wide.
Public Use or Carrying 3 Grams or Less
If police find you consuming cannabis in public, or carrying 3 grams or less outside your home, you pay a €145 administrative fine on the spot.1Portail de la Police Grand-Ducale. New Regulations for the Use and Cultivation of Cannabis This is an administrative penalty, not a criminal charge, and it does not go on your criminal record.
Possession of More Than 3 Grams
Carrying more than 3 grams outside your home crosses into criminal territory. The maximum penalty is six months in prison and a fine of up to €2,500, and a conviction does enter your record.2Portail de la Police Grand-Ducale. Drugs
Cultivation Violations
Growing more than four plants, cultivating somewhere other than your residence, or breaking any of the other cultivation rules can bring up to five years in prison and fines up to €250,000. The range is this wide because the same statute covers everything from a few extra plants in a closet to a commercial grow operation, and courts decide where a case falls on the severity scale.
Consumption Around Minors or at Work
Using cannabis in the presence of a minor, at a school, or at a workplace carries up to six months in prison and fines up to €2,500. This applies even inside your own home if someone under 18 is there.
Supplying Minors
Selling or offering cannabis in any form to someone under 18 carries up to two years in prison and fines up to €25,000.
Driving After Using Cannabis
This is where cannabis users in Luxembourg get caught most often without realizing the risk. Driving with THC in your blood at or above 1 nanogram per milliliter is a criminal offense. The threshold is extremely low, and THC lingers in the bloodstream long after the psychoactive effects wear off. Regular users can fail a blood test the morning after use, or days later. There is no reliable “safe” window.
Penalties can include prison time, substantial fines, and the loss or denial of your driving license.2Portail de la Police Grand-Ducale. Drugs The government has publicly said it has no plans to raise the 1 ng/ml limit.
Taking Cannabis Across the Border
Luxembourg’s cannabis rules stop at the border. Carrying any amount into or out of the country counts as international drug trafficking, regardless of quantity. France, Belgium, and Germany all treat cannabis importation as a criminal matter, and Germany prohibits importing cannabis from abroad even though it legalized personal use domestically in 2024. The Schengen open-border arrangement does not change this. If you commute into a neighboring country, your cannabis has to stay home.
Medical Cannabis Is a Separate System
Luxembourg has run a medical cannabis program since 2018, and it operates independently of the 2023 recreational reform.3Government of Luxembourg (Santé.lu). Cannabis and Hemp Derivatives – Applicable Regulations in Luxembourg Access is narrow. Only three patient categories qualify: people with severe chronic pain from advanced or terminal illness that has not responded to other treatments, cancer patients dealing with chemotherapy-induced nausea or vomiting, and multiple sclerosis patients with muscle spasticity.
Prescriptions can only be issued by doctors who have completed a specialized training program, and patients fill them at hospital pharmacies rather than regular retail pharmacies.4Government of Luxembourg (Santé.lu). How to Access Medicinal Cannabis
CBD and Hemp Products
CBD sits in a different legal category. Luxembourg allows the sale of hemp-derived products as long as the plant they come from contains less than 0.3% THC. That threshold applies to the raw plant, not the finished product. CBD oils, cosmetics, and food products made from compliant hemp are legal to buy and sell.
Two limits apply. CBD products cannot be marketed as medicine or carry health claims unless they have gone through pharmaceutical approval, and smokable hemp products containing CBD cannot be sold to anyone under 18 under Luxembourg’s tobacco control law.