Atomic Northern Lights Feminised

Days 1 to 14. Atomic Northern Lights cracks on damp paper towel inside about two days and is through the medium by day three, given warmth and patience rather than intervention. Seedlings want humidity near 70% and no nutrients at all — the seed carries everything for the first week. By the end of the fortnight you are looking for even node spacing rather than height; a stretched seedling is a light problem, not a vigour signal. New to this? The free seeds on offer are a low-stakes way to practise the germination step.

Weeks 3 to 6. Growth stops being tentative. This is when training earns its keep: bend rather than cut if you are unsure, because a bent branch recovers in a day and a topped one costs a week. Expect fairly even growth in both directions.

The transition. After the flip the plant may double. Whatever shape the canopy is at that point is roughly the shape you harvest.

Mid-flower. Bud sites fill and the aroma arrives — usually the point where extraction stops being optional. Feed heavier now, but watch the leaf rather than the schedule.

The last fortnight. Ease off nitrogen, drop the night temperature a little, and stop feeding before you think you should. Final height for this cultivar is published at Short.

Harvest. Published window: 8 weeks. Trichomes decide. Cut in sections if ripening is uneven — most plants ripen top-down and there is no prize for taking it all at once.

Effect descriptions are the least reliable part of any seed listing, this one included. What is defensible: this is a 60/40 hybrid at 22% THC, commonly described as happy, relaxed, uplifted, with caryophyllene leading the terpene profile.

What is not defensible is any promise about how it will feel for you. Dose, tolerance, setting and the phenotype you happen to pop all move the outcome more than the strain name does.

Growing a few and selecting the keeper is the only way to know. That is what a pack of feminised seeds is for.

Caryophyllene leads, myrcene sits behind it, and humulene runs underneath.

Aroma is not fixed at harvest — it develops. Fresh flower leads hard with caryophyllene; three or four weeks in sealed glass at a stable 16 to 18 degrees lets myrcene and humulene come forward as the sharper volatiles clear. Jars opened at week one and week five smell like different plants.

Atomic Northern Lights is rated intermediate. That sits in the middle — you want a working understanding of pH and feeding, but nothing exotic. Being a photoperiod means you decide when it flowers, and therefore how big it gets.

Shipped nationwide in plain packaging. Every strain page carries whatever grow data we could actually source, and nothing we could not.

• Finishes in 8 weeks
• Under lights: Up to 300 g/m2
• Grown out: Up to 400 g/plant
• Height: Short
• Difficulty: intermediate