Gary Poppins

Use full spectrum LED panels with around 400 to 600 watts per square metre for flowering and reduce light intensity slightly during the stretch to avoid light burn.

Maintain relative humidity at 40 to 50 percent in flowering and lower to near 40 percent in the final two weeks to reduce mould risk.

Shift to a bloom formula higher in phosphorus and potassium while slightly reducing nitrogen after week four of flowering.

Many growers perform a light flush one to two weeks before harvest to improve smoke smoothness, but monitor trichome development as the primary cue.

Harvest when most trichomes are milky with some amber for a balanced effect, and consider a slightly later harvest for fuller body relaxation.

It has moderate resistance but still needs good airflow and hygiene, especially in cooler, damper climates where mould pressure is higher.

Feminised seeds give reliable results while clones guarantee known vigour and maturity timing, useful for consistent room planning.

Low-stress training and topping early produce an even canopy, while a short screen-of-green increases usable yield in limited height spaces.

Slow growth in cool conditions means you should reduce feed strength slightly and avoid overfeeding, watching runoff EC to prevent salt buildup.

Design a room with reliable ventilation, dehumidification options, and modular lighting so you can control temperature and humidity precisely; keep an area for drying that stays cool and well ventilated.