The correct ripening of cannabis flowers determines the aroma, effect and quality of your harvest. Many growers harvest too early or too late – but how can you recognize the perfect time? In this guide, we explain how to optimally mature your buds, what to look out for in trichomes and what mistakes you should avoid.

Why the maturity phase is so important
Cannabis flowers go through various stages of ripening, during which terpenes and cannabinoids such as THC and CBD develop. Harvesting too early leads to a weak effect, while overripe buds lose potency.
Common assumptions – and why they can be wrong
- “Brown hairs = harvest time!” – Not necessarily! The color of the pistils can be deceptive. The trichomes are decisive.
- “More waiting time = stronger buds.” – Wrong. Overripe plants produce more CBN, which tends to make you tired.
How to determine the perfect harvest time
1. observe trichomes
- Clear trichomes: still immature, low potency.
- Milky trichomes: Optimal for psychoactive effect.
- Amber-colored trichomes: higher CBN content, relaxing effect.
2. calculate flowering phase correctly
Indica varieties often mature faster (6-8 weeks) than sativas (10-12 weeks). Seedbank data are approximate values – always check the trichomes!
Tips for optimizing the maturing phase
- Reduce the light: In the last 1-2 weeks, adjust the lighting duration to 10-12 hours.
- Check the temperature: Lowering the temperature slightly at night (18-20°C) promotes color development.
- Irrigation before harvesting: water only for 1-2 weeks to remove nutrient residues.
Alternative methods & critical view
Some growers swear by “dark periods” (48 hours of darkness before harvest) – but scientific evidence is lacking. Experiment carefully!
Conclusion
The art lies in observation: Combine trichome checks with experience for best results. Avoid standard mistakes such as hasty harvests or neglecting nutrient flushing.