The biggest change is the shop itself
The packaging can look surprisingly clinical. That is partly the point: standardized labels carry THC and CBD amounts, warnings, and other product details. Legal products are subject to regulatory controls, although the label cannot promise how they will feel to you.
You may also be asked for ID. Ontario's purchase age is 19, and the shop has rules to follow.
Flower and hash have plenty of company
Dried flower is still dried flower. Pre-rolls are joints someone has rolled for you. Hash still appears on the menu, including pressed styles that may look familiar alongside newer dry-sift and ice-water products.
Then there is the expanded section: oils, capsules, gummies, chocolates, drinks, vape cartridges, and concentrates in forms ranging from wax to crystals. An infused pre-roll has an extract added to the flower, which can make it considerably stronger than an ordinary joint.
The practical differences are worth knowing. A cartridge needs compatible hardware. An oil needs measuring. A capsule contains a stated amount. Smoking carries combustion risks, vaping has risks of its own, and swallowed products follow a much slower timetable.
The strength deserves a fresh look
Average THC levels in dried cannabis have risen substantially since the 1980s and early '90s, according to Health Canada. Some modern extracts are much more concentrated again. The familiar-looking flower in the jar may have very little in common with the strength you remember.
A long break also changes tolerance. Experience from years ago is useful context, but it does not tell you how much THC will feel comfortable now. Lower-THC products are worth asking about; the largest percentage on the menu is simply the largest percentage.
On a flower label, Total THC is the useful comparison number. If it is shown as milligrams per gram, divide by ten for the percentage: 150 mg/g is 15%.
A quick translation of the new vocabulary
Terpenes are aromatic compounds behind notes such as pine, citrus, and pepper. They help describe the smell, without reliably forecasting your mood.
Rosin is an extract made with heat and pressure. Live resin is a different extract, generally made from freshly frozen cannabis. It is an easy pair of names to mix up.
CBD is another major cannabis compound, but it does not produce THC's intoxicating high. You will now find CBD-dominant flower, oils, capsules, and edibles alongside high-THC products. If you want little or no intoxication, the useful question is how much THC comes with the CBD: “CBD” on the package does not necessarily mean THC-free.
A balanced product contains both THC and CBD, often in similar proportions. Two gummies can both be labelled 1:1, yet one has 2.5 mg of each and the other has 10 mg of each. That is four times the THC, despite the identical ratio.
And those elaborate product names? Treat them as names. The label has the useful numbers.
The brownie now comes with numbers
The homemade brownie had a measurement problem. Legal edibles give you THC per piece and per package, which makes comparisons much easier. Four equal gummies in a package containing 10 mg THC have 2.5 mg each.
Timing is the less obvious change when moving from smoking to edibles. Eating or drinking cannabis can take 30 minutes to two hours to produce noticeable effects, and up to four hours to reach the full effect. A second serving can catch up with the first long after you decided nothing was happening.
Health Canada's guidance for new or occasional consumers is to start with 2.5 mg THC or less and wait for the full effect before considering more. Effects last longer than with inhaled cannabis, and some impairment can carry into the next day. The same patience applies to cannabis drinks, however ordinary the can looks.
Start with what you already know
One worthwhile check happens outside the shop: Health Canada advises adults over 55 to discuss cannabis with a healthcare professional. A pharmacist or clinician can check your current medications and health history, including potential interactions with CBD. That is more useful than a general assurance from a retailer.
For the practicalities: avoid combining cannabis with alcohol, do not drive impaired, and keep it secured away from children and pets.
Further reading