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Northern Lights Strains

Northern Lights — all strains at a glance

Northern Lights is one of the most famous indica strains in the world — known for its deeply relaxing effect, low odour and reliably high yields. With a THC content of 20–27% depending on the variant and an outdoor harvest from early September, it's one of the most dependable classics for indoor and outdoor growing. Here you'll find every version — from the original feminized plant to Auto, CBD and the modern Gold Line.

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History THC content Harvest time Strain overview Which one suits you? FAQ

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Northern Lights Seeds — Fem, Auto, CBD & Gold Line

Northern Lights is one of the world's best-known indica strains — famous for its deep, relaxing effect, discreet aroma and reliably high yields. With a THC content of 20–27% depending on the variant and an outdoor harvest from September, it's one of the most dependable classics for indoor and outdoor growing. Here you'll find every version — from the original feminized plant to Auto, CBD and the modern Gold Line. All with germination guarantee, direct from the breeder, with discreet worldwide shipping.

View all Northern Lights strains →
History THC content Harvest time Strain overview Which one suits you? FAQ

Origin & history of Northern Lights weed

The Northern Lights strain emerged in the early 1980s on the U.S. West Coast, based on a cross between Afghani and Thai. This combination of two pure landraces was later stabilised and refined in the Netherlands by Sensi Seeds. From there, the original Northern Lights spread worldwide and influenced countless modern hybrids.

As a pure indica with high THC content, it has won multiple awards — including at the High Times Cannabis Cup. Even today it's considered a reliable classic for anyone seeking a deeply relaxing effect and high yields with minimal effort.

Flowering Northern Lights strain with a thick resin layer

Why Northern Lights is so popular

The effect of Northern Lights is typical of an indica-dominant strain: deeply relaxing, calming and physically noticeable. Many consumers value it for easing chronic pain, sleep issues, or simply unwinding after a long day.

Another reason for its popularity is its extremely discreet aroma during flowering — ideal for discreet indoor grows. Despite the low odour it produces a thick layer of resin on the buds. It also shines in resilience: robust against pests and disease, forgiving of minor watering or feeding mistakes.

Northern Lights plants in a grow tent

Northern Lights THC content: all variants compared

The THC content of Northern Lights varies significantly by variant — from gentle CBD strains to the high-potency Gold Line:

  • Northern Lights Fem: 20–22% THC — the classic value, strongly physical
  • Northern Lights Auto: 20–22% THC — the same potency in a self-flowering format
  • Northern Lights CBD: 7–12% THC / 15–18% CBD — balanced and gentle
  • Auto Northern Lights CBD: 7–12% THC / 10–15% CBD — an autoflowering CBD option
  • Northern Lights × Runtz: 27% THC — the strongest NL variant in the catalogue

Northern Lights harvest time: when to harvest?

The harvest time for Northern Lights depends on the variant you choose:

  • Northern Lights Fem (outdoor): early to mid-September — one of the earliest harvest windows among indica strains, ideal for short seasons
  • Northern Lights Auto (outdoor): 70 days from seed — multiple harvests per season possible
  • Indoor (all variants): 48–55 days flowering (Fem); ~70 days total (Auto)

For the strongest effect, harvest when 30–50% of the trichomes turn amber. Full details in the complete Northern Lights strain guide →

Our Northern Lights strains at a glance

From feminized classics to modern CBD hybrids — all Northern Lights strains compared directly:

StrainTHCCBDYield indoor (LED)Yield outdoor
Northern Lights Fem20–22%Low800–850 g/1.5 m²500–1,500 g
Northern Lights Auto20–22%Low700–750 g/1.5 m²70–200 g
Northern Lights CBD7–12%15–18%700–750 g/1.5 m²500–1,000 g
Auto Northern Lights CBD7–12%10–15%700 g/1.5 m²70–200 g
Northern Lights × Runtz27%Low800–850 g/1.5 m²1,500 g

Which Northern Lights strain suits you?

Each variant has its own focus — choose by goal, experience and grow setup.

Northern Lights Fem

For experienced growers & maximum yield. The classic feminized version — 90% indica, 20–22% THC, up to 1.5 kg per plant outdoors. Flowering just 48–55 days. The gold standard among indica classics for indoor and outdoor.

  • THC: 20–22% · flowering: 48–55 days
  • Yield indoor: 800–850 g/1.5 m²
  • Harvest outdoor: early–mid September
Buy Northern Lights Fem

Northern Lights Auto

For beginners & multiple harvests per year. Self-flowering, no light switch needed, 70 days from seed. The same 20–22% THC as the Fem version — ideal for discreet balcony or indoor growing without photoperiod management.

  • THC: 20–22% · total: 70 days from seed
  • Yield indoor: 700–750 g/1.5 m²
  • Multiple harvests per season possible
Buy Northern Lights Auto

Northern Lights CBD

For medical users & gentle effect. 15–18% CBD at just 7–12% THC — deep relaxation without strong psychoactive effects. Ideal for chronic pain, inner tension or as an entry point for THC-sensitive users.

  • THC: 7–12% · CBD: 15–18%
  • Yield indoor: 700–750 g/1.5 m²
  • Yield outdoor: 500–1,000 g
Buy Northern Lights CBD

Auto Northern Lights CBD

Self-flowering + CBD — the easiest format. Combines the advantages of autoflowering genetics with a balanced CBD profile. No light switch, short cycle, gentle effect — perfect for CBD users with limited space or no grow experience.

  • THC: 7–12% · CBD: 10–15%
  • Yield indoor: 700 g/1.5 m²
  • Autoflowering — no light switch needed
Buy Auto NL CBD

Northern Lights × Runtz

For connoisseurs & maximum potency. The most modern NL variant — classic indica effect meets the fruity candy aroma of the Runtz line. At 27% THC, the strongest version in the catalogue. Ideal for the evening or creative sessions with extra potency.

  • THC: 27% — strongest NL variant
  • Yield indoor: 800–850 g/1.5 m²
  • Yield outdoor: 1,500 g
Buy Northern Lights × Runtz
Northern Lights is also part of the Power Mix Relax — together with Anesthesia, Super Hash and Alpujarreña. Ideal for anyone who wants to compare several indica classics in one grow.

Growing & care tips for Northern Lights

The Northern Lights plant is extremely easy to grow — a great choice for beginners and experienced growers alike. Its compact structure, short flowering time and low odour make it ideal for discreet indoor cultivation.

  • Indoor: 18/6 in veg, 12/12 in flower. Works with soil, coco and hydro. Responds well to SCROG and SOG.
  • Outdoor: temperate to warm climate. Resistant to pests and disease, but dislikes prolonged rain. Harvest early–mid September in Central Europe.
  • Yield: up to 850 g/1.5 m² under LED indoors; up to 1.5 kg per plant outdoors.
Northern Lights Auto plant

Frequently asked questions about Northern Lights strains

Northern Lights strains by Pyramid Seeds
FAQ
Is Northern Lights a low-odour strain?

Yes — compared to many other strains, Northern Lights is especially low in odour during flowering. That makes it ideal for discreet growing, both indoors and outdoors.

What are the effects of Northern Lights?

Northern Lights delivers a strongly physical, relaxing effect. Many users report deep calm, better sleep and relief from chronic pain and tension.

What is the THC content of Northern Lights?

THC varies by variant: the classic Northern Lights Fem contains 20–22% THC, and the Auto version 20–22% as well. The CBD variants have 7–12% THC. The strongest version is Northern Lights × Runtz at 27% THC.

When is the outdoor harvest time for Northern Lights?

For outdoor grows, the feminized Northern Lights is usually harvested early to mid-September — one of the earliest windows among indica strains. The Auto version can be harvested around 70 days from seed, allowing multiple harvests per season.

What's the difference between Northern Lights Auto and feminized?

The Auto version flowers automatically around 70 days from seed with no light switch — ideal for beginners and multiple harvests per year. The feminized variant needs a switch to 12/12 light, but offers higher yield per plant (up to 1.5 kg outdoors) and more control over the growth cycle.

Where can I buy Northern Lights seeds?

Original Northern Lights seeds are available directly from Pyramid Seeds — the breeder of this strain — in feminized, autoflower and CBD-rich versions. We offer germination guarantee and fast, discreet worldwide shipping. Please check the laws in your country before ordering.

Buy Northern Lights — direct from the breeder

Five variants, one legendary heritage. Whether you want the classic Fem version, a convenient autoflower, gentle CBD genetics or the modern Gold Line — Northern Lights by Pyramid Seeds delivers consistent results, quality direct from the breeder, and fast discreet worldwide shipping.

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