Original Northern Lights Auto is a hardy autoflower built on one of the most famous indica names of all time. As part of Fast Buds’ Originals line, the breeder’s range of classic strains made into autos, it pairs easy growing with strong yields and a heavy, fast-acting effect.
There is no light switch to plan around. Run it under 18/6 or 20/4 the whole way and it finishes in about 9 weeks from seed. Fast Buds lists it at up to 20% THC.
The plant is in the XL size class at 90-120 cm (35-47 in). It yields 500-600 g/m² (1.6-2 oz/ft²) indoors, one of the highest indoor figures in the Originals range, and 60-160 g (2-5 oz) per plant outdoors.
Tough Enough for Any Season
Fast Buds describes this strain as highly resistant. It does well in warm weather and also in colder, wetter climates, so it suits outdoor growers far from the sunbelt. Little maintenance is needed, which makes it forgiving for beginners.
The frame is sturdy, with a thick main stem, strong side branches, short internodes, and broad indica leaves. The buds are slightly elongated, with swollen calyxes covered in dense trichome clusters. That resin collects easily for dry sift and other extracts.
Its compact, indica-style frame makes it a good fit for stealth grows and small tents. Several plants in a sea-of-green setup fill a tent quickly and finish together.
Savory Flavor and a Heavy Body Effect
The flavor stays close to its old-school roots: earthy, savory notes with pepper, spice, and mild fruitiness. It tastes just like it smells.
The effect arrives quickly, with a clear physical heaviness that can deepen into full couch-lock. Customer feedback most often mentions feeling relaxed and happy, with hunger and sleepiness later on. It is a classic choice for the evening.
Cure the buds slowly to round out the savory, peppery notes. The resin collects easily, so keep the trim for dry sift.
Original Northern Lights Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Northern Light Autoflowering |
| Indica/Sativa | 70% Indica / 30% Sativa |
| THC | Up to 20% |
| CBD | < 1% |
| Effect | Fast-acting, heavy body, relaxed, couch-lock |
| Flavor | Earthy, savory, pepper, spice, mild fruit |
| Indoor yield | 500-600 g/m² (1.6-2 oz/ft²) |
| Outdoor yield | 60-160 g/plant (2-5 oz/plant) |
| Seed to harvest | 9 weeks (light schedule 18/6 or 20/4, no switch needed) |
| Height | 90-120 cm (35-47 in), size class XL |
| Climate | Indoor, outdoor, greenhouse; handles warm and cold, wet climates |
| Best cultivation technique | LST, SOG |
FAQ
How long does Original Northern Lights Auto take?
About 9 weeks from seed to harvest. It autoflowers, so you can keep it under 18/6 or 20/4.
What yield does Original Northern Lights Auto produce?
Fast Buds lists 500-600 g/m² (1.6-2 oz/ft²) indoors and 60-160 g (2-5 oz) per plant outdoors.
Can Original Northern Lights Auto grow in cold climates?
Yes. Fast Buds notes that it performs reliably in both warm conditions and colder, wetter climates.
How tall does it grow?
It is in Fast Buds’ XL size class at about 90-120 cm (35-47 in), with a thick main stem and sturdy branches.
Is Original Northern Lights Auto good for hash?
Yes. Its swollen calyxes carry dense trichome clusters that are well suited to dry sift and other extractions.
What effect can I expect?
A fast-acting, heavy body effect that can lead to deep relaxation and couch-lock. It is a strain for the evening.
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