Northern Lights Seeds

Northern Lights Seeds Cover Photo

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Northern Lights Seeds – Strain ID:

Northern Lights Seeds Bud

Type: Indica
Cannabinoids: 18-20% THC
Terpenes: Myrcene, Caryophyllene, Limonene
Effects: Euphoria, Relaxing, Pain-Relieving
Landrace Strain: Afghani Landrace Indica

Grow Difficulty: Easy
Harvest: 6-8 Weeks / 8-10 Weeks
Yield: Up to 550g/㎡ / >600g/plant
Height: Up to 4 feet/ >6-Feet
(*Indoor / Outdoor)

Northern Lights is a big, big strain. Everyone knows it — and everyone loves it.

Why is that?

For starters, it’s almost impossible to have a bad time with this legendary indica. Descended from pure landrace strains, Northern Lights seeds are revered for being relaxation time bombs.

You plop them in the soil, lovingly tend to your Northern Lights seeds over the quickly passing months, and boom, they go off in your bowl with the chillest vibes emanating forth.

In some ways, Northern Lights is a starter-pack strain that every stoner needs to smoke at least once. Its reputation for pure, calming, and smile-inducing effects parlay most of what marijuana culture is about.

But, that’s only scratching the surface of what Northern Lights can do for you.

Use this complete Northern Lights strain review for an up-close view of its history, effects, and guide to grow Northern Lights seeds.

About Northern Lights Seeds


While some cannabis strains are high on hype but short on history, the Northern Lights weed strain has both.

If you’ve become even remotely interested in smoking or cultivating cannabis, then Northern Lights has probably cropped up on your radar.

Even if you haven’t smoked Northern Lights weed directly, odds are you’ve picked up another strain, such as Super Silver Haze, that descends from Northern Lights seeds.

Northern Lights has so many children running around due to a history that goes back to the 1970s. In those days, growing marijuana in the US was very much illegal, making it risky to document, much less share, the information surrounding your grow.

As such, specifics about the exact how and when Northern Lights seeds were first planted are scant, but a few precious nugs of information have made it to 2020.

In the late 1970s, it’s said that pure Afghani landrace indica seeds were propagated near Seattle, Washington. Afghani landrace indicas are well known for their amazingly grower-friendly qualities — they’re short, bushy, fast-growing, and reward your patience with scale-busting yields.

One particularly vigorous phenotype was selected from the bunch and named Northern Lights #5. Somehow, this pheno made its way to Holland, where it eventually landed in what’s now known as Sensi Seeds Seed Bank, itself a major cannabis institution.

Today, Sensi Seeds Northern Lights seeds are some of the most well-documented, tested, and cannabis cup winning strains of all time. If you grow Sensi Seeds Northern Lights seeds for yourself, you’ll quickly find the same characteristics that the unknown heroes who cultivated this strain decades ago found — ultra-resinous buds that lay the indica on thick.

Growing Northern Lights Seeds

Grow Difficulty:

This Northern Lights grow guide begins with words that are music to any aspiring grower’s ears: Northern Lights seeds are easy to grow no matter your skill level and are heavy producers come harvest time.

There is one significant reason for their ease of growing, and that comes down to genetics.

Landrace cannabis strains are pure cannabis strains that have never been crossed with anything else. When you find them, they’re growing in their natural environment and have developed exceptional adaptive characteristics for that environment, making them tough, lean, and fruitful plants.

Northern Lights seeds are directly descended from Afghani and Thai landrace strains, giving them the benefits of highly evolved genetics that they pass on in the grow room.

Featuring a compact plant size, short flowering period, hefty yield, and sun-loving characteristics, growing Northern Lights seeds indoors and outdoors is a pure pleasure for growers.

Optimal Growing Conditions and Climate:

Northern Lights plants are loved for the way they take to the soil without fuss.

That’s not to say that they’re set it and forget it seeds, however. You still need to approach them with your green thumb forward, beginning with the soil. Northern Lights seeds feel at home in nutrient-rich, loamy soil that sits in a medium-acidic pH range.

When growing Northern Lights cannabis seeds, you want to hit the usual three nutrients (nitrogen, phosphorus, potassium), with extra attention paid to nitrogen. That’s because Northern Lights seeds particularly like nitrogen and have a lower likelihood than other strains of being burned by it.

Keep in mind that growing Northern Lights seeds doesn’t require special amounts of trace nutrients, as some boutique strains do. Therefore, keep feeding to a reasonable minimum. Feeding your Northern Lights seeds excessive nutrients can result in nutrient burn, whereas there is a lesser risk to your plants if you observe them and feed only what’s needed.

Northern Lights plants love warm conditions, which makes it an ideal strain for outdoor growers in areas with long, drawn-out, hot summers with plenty of sun. For indoor growers, growing Northern Lights seeds requires attention paid to venting heat away from your grow room as increased lumens means higher heat output.

Flowering Time:

The flowering period for Northern Lights seeds is forgivingly short — another reason why this strain is such a crowd-pleaser.

At between 6 to 8 weeks, with most growers managing to pull a harvest down just before week 7, Northern Lights plants bestow fat morsels of indica-steeped goodness with haste.

When grown outdoors, Northern Lights seeds hit their prime and are ready to harvest in early October — assuming you live in a warm climate with long summers and days to match.

Want to ensure a fast flowering time for your indoor-grown Northern Lights strain?

The key is to give the Northern Lights cannabis strain plenty of light during the vegetative growth period — at least 18 hours per day — before flipping them into a 12/12 light cycle to trigger flowering


When you hold tiny Northern Lights seeds in the palm of your hand, it’s a wonder to think that they’ll grow into high-yield powerhouses producing stacked ounces of flower.

Sensi Seeds Northern Lights seeds are the definitive variety available today with Sensi Seed bank having taken stewardship of the original strain decades ago. Since countless people around the world have a Sensi Seeds Northern Lights grow under their belt, their yield averages are reliable figures.

You can expect an average yield of 17 to 19 ounces per meter square meter from Northern Lights seeds grown indoors. Outdoor growers giving their plants plenty of sunshine and taking advantage of multiple harvest cycles per season can expect anywhere from 22 ounces per square meter to nearly 52 ounces…per plant!


Northern Lights seeds grow into compact plants with deep green leaves that lend very well to the Sea of Green (SOG) growing method. Indoor plants have a height range of between 80cm and 130cm, while Northern Lights plants grown outdoors only bump up to 150cm and 200cm in height.

Manipulating plant height can reward you with yields on the higher end of what the Northern Lights strain is capable of. As mentioned, using a Sea of Green growing method to expose an increased amount of leaf surface area to light aids photosynthesis and leads to bigger bud production with beautiful cola distribution across plants.

Resistance to Pests and Mold:

Being a direct descendant to two strong landrace strains has major advantages, with natural resistance to pests and mold being amongst them.

Northern Lights is an exceptionally steadfast strain that will treat you right come harvest time if you do the same for your plants during their growth stages.

Correctly managing temperature, humidity, ventilation, and plant spacing is critical for successfully growing Northern Lights seeds indoors without falling victim to root rot and gray mold.

Outdoor growers will be much more concerned with pests such as whiteflies and mites, but again, with vigilance and the occasional application of natural oils such as neem oil, your Northern Lights grow should come through without significant issues.

Strain Description and Properties

The Appearance of Northern Lights Weed:

Even if a strain can manage high THC levels and strong medicinal properties, if it doesn’t look good, it probably won’t gain much of a following.

The Northern Lights weed strain has become a Herculean figure amongst cannabis varieties for being a potent combo of brawn and beauty.

When you hold Northern Lights weed in your hand, you’ll be struck by the crystalline light show as you twirl the nug and let it shine brightly like a chandelier. This is some seriously frosty nug, folks.

Like any true landrace indica, Northern Lights weed has incredible heft while still managing to be soft and almost juicy. Its calyxes fluff up like clouds with a gentle swirl that beckons you to roll it up and take a puff.

Dominant Cannabinoids Found in Northern Lights Seeds:

THC is the dominant cannabinoid found in Northern Lights seeds. On average, you can expect Northern Lights weed to contain around 18 to 20% THC.

While 20% THC may not seem high when compared to the 30%+ THC range of today’s hybrids, Northern Lights weed pack high concentrations of strong-acting terpenes. As such, the effects of Northern Lights weed are outsized and unmistakable.

CBD-seekers will need to look elsewhere, however, as Northern Lights seeds contain just 0.10% CBD or less.

Dominant Terpenes Found in Northern Lights Seeds:

Northern Lights seeds are packed with the big three terpenes for sleep, pain relief, and putting a big smile on your face.

The Myrcene terpene is the most dominant terpene found in Northern Lights seeds. It brings in a massive helping of sedative effects that are responsible for making you relaxed, softening your muscles, and tucking you into bed.

Caryophyllene terpenes are the second-most concentrated terpenes in Northern Lights seeds. Also found in black pepper, caryophyllene is responsible for the spicy, kushy scent when you break off a piece of Northern Lights nug. Moreover, caryophyllene is a strong anti-inflammatory that aids pain-relief and recovery.

Lastly, limonene terpenes are also present and accounted for in Northern Lights weed. These terpenes are predominant in OG strains, along with most of today’s popular hybrid plants. Limonene is a mood-booster, helping you turn that frown upside down when you smoke a fat bowl of Northern Lights weed.

Effects of Northern Lights Weed:

Originally designated as a two-hit-quit strain, Northern Lights weed knocks your lights out at the end of the day — but not before showing you a good time, first.

Just after your first inhale, you’ll notice a wave of good vibes warming you up. The world suddenly takes on a much friendlier feeling than it did before, and you’ll probably find yourself laughing a whole lot more, too.

The happy euphoria of the high’s first phase drifts into an overall sense of relaxation that just keeps on going. Northern Lights weed is what we call Netflix and smoke weed — in other words, it’s the perfect companion for chilling out and seeing the world through rose-colored glasses.

Medical Properties of Northern Lights Seeds:

Northern Lights plants are grown for their powerfully effective medical properties, including relief for stress, pain, insomnia, anxiety, and PTSD.

Stress is the common thread linking the ailments that Northern Lights weed treats. Because of the abundance of the myrcene terpene found in Northern Lights seeds, the strain is instantly relaxing and produces a long-lasting medicine for the nerves.

Negative Effects of Northern Lights Weed:

Northern Lights weed has a reputation for being a quintessential stoner strain. That’s because even when you smoke too much, the effects don’t stray far into a place you don’t want to go.

Instead, the most common negative effects of Northern Lights weed are dry mouth, dry and red eyes, a little room-spinning dizziness, and a hint of paranoia.

When in doubt, start your smoke sesh off small, wait to see where the effects take you, and then increase the dosage or remain where you are.

Pros/Cons of Growing Northern Lights Seeds


  • Classic, easy to grow strain
  • Huge yield & compact plant size
  • Short flowering period
  • Very frosty appearance
  • Excellent for relaxing


  • Requires warm climate (outdoors)
Watch: Northern Lights Strain Harvest

Buy Northern Lights Seeds:


ILGM Northern Lights Seeds

Shipping worldwide


Blimburn Northern Lights Seeds

Shipping worldwide

MSNL Northern Lights Seeds

Shipping worldwide

Crop King Seeds Logo

Crop King Seeds Northern Lights Seeds

Shipping worldwide

Herbies Northern Lights Seeds
3 stars rating

Shipping worldwide

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Cannabis Seed Index – A curated index of the world’s best cannabis seed strains. Each review contains vital information, such as cultivation tips, strain profiles, and where to buy the best cannabis seeds.

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