Cannabis cups, and what a win actually means

Wine has its shows, coffee its championships, and cannabis has cups. The oldest and best known began in Amsterdam in 1988; today there are cups on most continents, and South Africa has its own growing circuit of competitions and expos. If you have ever seen a jar labelled "cup winner" and wondered whether that should change your mind about it, this is for you.

What a cup actually is

Strip away the branding and a cup is a blind tasting with a scoreboard. Growers enter samples. Those samples are judged — sometimes by an invited expert panel, sometimes by ordinary attendees who buy a judging kit and score at home over a week or two — against a card that usually covers:

• Appearance — structure, trichome coverage, trim quality, colour.
• Aroma — intensity, complexity, and how true it is to what the cultivar should smell like.
• Flavour — on the inhale and the exhale, and whether it survives the burn.
• Effect — onset, character, and how long it lasts.
• The burn — how evenly it goes, and the colour of the ash.

Bigger cups now pair this with lab results for cannabinoid and terpene content, so a score sits next to a number rather than replacing it. Categories usually split flower from concentrates from edibles, and often split flower again by how it was grown — indoor, greenhouse, outdoor — because judging a sun-grown outdoor flower against a climate-controlled indoor one is a bit like judging a field tomato against a glasshouse one.

What a win tells you

Quite a lot, honestly. A cup-winning entry has usually been grown carefully, harvested at the right moment, dried slowly and cured properly — because those are exactly the things that show up in appearance, aroma and burn. A grower who can win a cup can generally do the boring parts well.

What a win does not tell you

Rather more, and this is the part nobody puts on the label:

• It is one batch, once. Cannabis is a crop. The same cultivar from the same grower can be noticeably different next season, and a cup medal describes a jar that no longer exists.
• Entries are self-selected. A grower submits their best. Nobody enters the run that went wrong, so a cup ranks the top of everybody's range, not their average.
• Fresh beats travelled. Terpenes are volatile, and a sample that has spent a fortnight in a judging kit is not the sample the grower sealed. Cups where judging happens quickly and locally are measuring something different from cups where it does not.
• Judging is subjective, and so are judges. A panel late in a long day is not the same instrument it was at the start, and popular categories are often won by whatever is loudest rather than whatever is best made.
• Some cups are commercial. Entry fees, sponsor categories and pay-to-judge models all exist. That does not make a result meaningless, but it does mean "which cup" is a fair question.

How to use one anyway

Treat a cup result the way you would treat a good review: a reason to try something, not a promise about how it will land for you. The useful signal is not the medal but the grower — somebody whose work has been judged well by strangers, more than once, is somebody worth paying attention to next season.

And ask your club what they actually know. A club that grows for its members can tell you when a batch was cut, how it was dried, how long it has been curing and what the lab said. That is a better guide to what is in the jar in front of you than any rosette, because it describes this one.

If you fancy judging

Cups are the most fun way there is to learn to taste. Judging teaches you to separate aroma from flavour, to notice a harsh burn as a curing problem rather than a strength, and to write down what you thought before you hear what anybody else thought. You do not need a competition to start: keep a note on what you try, in your own words, and inside six months you will have a palate.