How and when to top cannabis to get two or more main colas and an even canopy, and how much recovery time to allow for.
In the vegetative stage cannabis builds roots, stems and leaves. How long to run it, how much light to give, what climate to keep, how to feed and when to switch to flowering.
How to grow hemp outdoors in Switzerland and Ticino: site, pots or open ground, timing, feeding, pests and harvest.
How many plants to put in by tent size, growing method and pot, with a ready-made table and the differences between autoflowers and photoperiod strains.
How to spot spider mites on weed, why they multiply in warm, dry air and how to get rid of them with mechanical and biological methods, including during flowering.
When to water cannabis, how much to give for each pot size, how often in soil and coco, and how to spot too much or too little water.
The complete list for growing for personal use, what it costs for three tent sizes, when a ready-made kit makes sense and which costs come back with every grow.
Which pH water needs in soil, coco and hydroponics, how to measure it with drops or a meter, and how to adjust it after adding nutrients.
Which humidity hemp needs at each stage, how to measure it at the right height and how to lower or raise it in your grow tent without big swings.
What a pre-harvest flush promises, what a 2026 controlled trial shows and when flushing the roots is genuinely useful.
Trimming removes leaves and stems from the buds, either wet right after harvest or dry after drying. How to choose, which tools to use and what to do with the trim.
How to recognise grey mould (botrytis) in hemp buds and prevent it in the grow tent, outdoors after rain and during drying and curing.
How to tell when to harvest cannabis by checking trichomes, pistils and weeks of flowering, with tables by ripeness stage and plant type plus tips for outdoor growers.
What happens in each week of flowering, from the switch to 12/12 to ripening, and how to adjust climate, light and nutrients.