Growing cannabis — indoor, outdoor, legal status
How do indoor and outdoor compare? Which genetics dominate Switzerland? This hub bundles every relevant growing and genetics guide.
The cultivation hub covers indoor, outdoor and greenhouse growing across Swiss climate zones (Plateau, Ticino, northern Alps) — substrate, lighting, VPD control and strain choice under 1 % THC. We map the legal boundary to Narcotics-Act licensing and typical yields per m².
Key figures
- 220’000+ — Swiss adults regularly consume cannabis (BAG · Suchtmonitoring 2024)
- 36% — of 15–34 year-olds have tried cannabis (EMCDDA · Country Report Switzerland 2024)
- CHF 582M — estimated Swiss cannabis black-market revenue per year (Uni Genf · Cannabis Market Estimate 2023)
- 7 — cities with active or approved pilot projects (BAG · Cannabis Pilotversuche 2026)
Current research
- Cannabis use in Switzerland — Addiction Monitoring 2024 — Sucht Schweiz, BAG · 2024
- European Drug Report — Cannabis Chapter — EMCDDA, EUDA · 2024
- WHO Expert Committee on Drug Dependence — Cannabis Review — WHO ECDD, WHO · 2023
Legal framework (Switzerland)
Cannabis law in Switzerland
Cannabis with less than 1% THC (CBD) is freely available. Cannabis with more than 1% THC remains prohibited under the Swiss Narcotics Act, but personal amounts up to 10 g are fined at CHF 100 with no criminal record.
Age, driving, labour law
Purchase and use are allowed from age 18. Zero tolerance for THC when driving. Employers may require sobriety in safety-critical roles.