Northern Lights #10

Use a small to medium tent with good airflow, LED lights of 300–600 µmol/m², an extractor fan with speed control and a dehumidifier if needed. Keep temps at 21–26°C in the day and slightly cooler at night, and maintain RH around 40–50% during flowering.

Start with a balanced veg feed and switch to a bloom formula when flowering begins, reducing nitrogen and increasing phosphorus and potassium. Feed at 75% strength to avoid nutrient burn and flush lightly in the last week if desired.

Powdery mildew and grey mould are risks in cooler, damp conditions; keep airflow moving and avoid high humidity. Inspect plants regularly for aphids and spider mites and treat promptly with biological controls or approved contact sprays.

Yes. Topping early and low-stress training help spread weight across colas, improving light penetration and yields. The plant responds well and its compact form makes training especially effective.

Monitor trichomes for a mix of cloudy and some amber, usually around seven to nine weeks of flowering. Harvest timing can shift slightly outdoors depending on local weather and microclimate.

Dry slowly in a dark, ventilated space at 18–21°C and 45–55% RH for 7–10 days, then cure in jars with daily burping for the first two weeks. Proper curing enhances flavour and smooths harshness.

Yes, it clones well from healthy mother plants and rooted cuttings establish fast with the right humidity and a gentle rooting hormone. Keep clones warm and shaded until they develop a robust root system.

Outdoors it performs best in sheltered, south-facing spots or under a simple shelter to capture heat. In cool northern summers yields can be limited without protection from wind and rain.

Yes. Cultivation of cannabis for recreational use remains illegal in the UK; any growing can have legal consequences. Check current local laws and consult legal advice if you are uncertain.

Start small, focus on environmental control—ventilation, light schedule and humidity—and keep a grow diary to track changes. Learn from each cycle and adjust lighting and nutrient routines gradually.