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Northern Lights Strain

Northern Lights Autoflower Marijuana Seeds

(73 customer reviews)

Northern Lights strain seeds are a legendary Indica-dominant blend of Afghani × Skunk #1 × Haze, delivering deep physical relaxation with moderate euphoria. With THC levels typically between 18–22% and low CBD (0.6%), these classic seeds are easy to grow and yield large resinous buds in just 8–10 weeks.

Strain Highlights

  • ✅ Award‑winning indica classic
  • ✅ Fast 8–10 week flowering
  • ✅ Heavy resin, soothing stone
5 Seeds 65.00
10 Seeds 120.00 (SAVE $10)
25 Seeds 240.00 (SAVE $65)
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Northern Lights Autoflower Marijuana Seeds
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Strain Details
Genetics
Northern Lights x Ruderalis
THC Level
18 – 22%
CBD Level
0.60%
Category Type
Indica Dominant Hybrid
Growing Level
Easy
Flowering Time
8-10 weeks
Indoor Height
Medium (5 to 8 FT)
Outdoor Height
Medium (5 to 8 FT)
Harvest Time
All Season
Indoor Yields
450-550g/m2
Outdoor Yields
100-200g/plant
Taste and Smell
Earthy, Fruity, Herbal, Pine, Pungent, Sweet, Woody
Terpenes
Camphene, Caryophyllene, Limonene, Myrcene, Phellandrene

Strain Description

Northern Lights seeds produce short, compact plants that bloom fast and abundantly. They are renowned for dense, resinous buds emitting a pungent aroma of pine, citrus, sweet spice, and earthy undertones. Effects include tranquil body relaxation paired with mild cerebral uplift—well-suited for nighttime use or stress relief.

Growing Information

Northern Lights is exceptionally beginner-friendly and performs reliably both indoors and outdoors. Flowering completes in 8–9 weeks under a 12/12 photoperiod. Grow indoors in moderate, nutrient-rich soil or hydroponics; outdoors, choose a warm, sunny site. Expect yields up to 400–500 g/m² indoors and up to 550 g per plant outdoors. Good ventilation and training (like SOG or LST) enhance airflow and minimize mold risk.

Quick Grow Tips

  • Lighting: 18/6 veg phase, switch to 12/12 for flowering; blooming completes in 7–9 weeks.
  • Nutrients: Moderate feeding; avoid excess nitrogen during flowering to maintain resin quality.
  • Watering: Keep soil moist but well-draining; avoid waterlogging.
  • Environment: Grow in climates between 70–85 °F (21–29 °C) with humidity around 40–50%; maintain airflow to prevent mold.

Summary

Northern Lights offer an easy, rewarding grow experience with compact plants, fast 8–9 week flowering, and heavy resinous yields. With moderate THC (18–22%) and sedative, euphoric qualities, this award-winning indica classic delivers a timeless relaxation and quality harvest.

Frequency Ask Questions

What genetics are behind Northern Lights autoflower?

It’s bred from Northern Lights crossed with Ruderalis to enable autoflowering traits. The strain remains indica-dominant and delivers a classic pine‑earth flavor profile.
The full seed-to-harvest cycle spans 8–10 weeks, with harvests possible year-round. Indoor yields reach up to 450–550 g/m²; outdoor yields typically 100–200 g per plant.
This strain presents a rich aroma and flavor mix of earthy, fruity, herbal, pine, spicy, sweet, and woody notes.

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420,430 Happy Customers

⭐️⭐️⭐️⭐️⭐️
"Wonderful strain, my very first grow ever, had no real issues to speak of and a really nice yield (been about half a year and i still have some leftover though i am a bit of a lightweight) Will definitely grow this some more, trying out the revolver seeds i got for free now. ^-^"
– Rory Nurnberg
⭐️⭐️⭐️⭐️⭐️
"6 years ago, NL auto from CK was my first dwc grow. 5 seasons later with seeds from other suppliers, it was my best. I got two 5 gallon buckets of wow from 2 plants and havent done it since. Great strain."
– Six gun
⭐️⭐️⭐️⭐️⭐️
"Got no problem growing this one! It is accurate that it is easy to grow! Will definitely keep this one in my own little garden."
– Leo S.
⭐️⭐️⭐️⭐️⭐️
"Amazing strain with a strong indica flavor and scent."
– Daniel W.
⭐️⭐️⭐️⭐️⭐️
"i order some seed years ago and it was great i hope that now after so long i am just ask lucky thank you for all you do the effort you put into your products"
– william Sevillano
⭐️⭐️⭐️⭐️⭐️
"Bought these seeds a couple years ago and was very impressed with the yield they produced ."
– Mark Hodges
⭐️⭐️⭐️⭐️⭐️
"Super fast finish with thick tacky buds. smooth long lasting feel good buzz."
– Capt. Q
⭐️⭐️⭐️⭐️⭐️
"About as easy to grow as pole beans. Nice thick heavy sticky hash bud smells so good. Lay back movie night extra butter popcorn BIG GULP chips and m's."
– Capt. Q
⭐️⭐️⭐️⭐️⭐️
"Just harvested the northern lights autoflower, 6 oz from 2 plants, very happy with genetics the weed is bomb"
– Shawn
⭐️⭐️⭐️⭐️⭐️
"As a producer, it was my very first year ever, so I began reading articles across the web, literally zero from the start. So most of them will have to go through several of my faults, but I still got an increase of 20 grams per crop, which made me very glad, given that I was developing with only morning sunlight on a staircase. Northern light was the only one that gave me exactly twice as much... 40 grams of exquisite citrusy marijuana fragrance. Effective, accommodating plants with hot weather and errors from newbies. Smoking is also really cool. A soft, fruity smoke that you never want to leave!"
– Timothy Atkins

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Reviews

73 reviews for Northern Lights Autoflower Marijuana Seeds

  1. Avatar for Jose A Negron

    Jose A Negron –

    Quick delivery and even threw in a couple extra. I’ll let you know how they turn out. NLA, TWA and GG#4

  2. Avatar for rickwins

    rickwins –

    Ordered 9/15 and received 9/19 – Awesome! Next step – cultivate!

  3. Avatar for Tyler

    Tyler –

    First time with crop king seeds. Seeds scared me at first. Didn’t seem to want to pop. I did the cup/paper towel method. 4 days later they finally popped tho. Have yet to taste as they still growing but very fast growing and started to flower around week 4. Strong genetics in my opinion.

  4. Avatar for Reg

    Reg –

    This was the first strain I grew indoors. All 5 seeds sprouted and filled my grow tent nicely. They did not seem to act like autos as I had no flowering 8 weeks in, so I switched them to 12 on 12 off and they started flowering. Despite being my first indoor grow these ladies produced a good amount of quality bud, close to 300 g in a 4’x4′ tent with a 400 w led. The high was superb, uplifting without any anxiety. Will be purchasing again for my winter crop!

  5. Avatar for Matty

    Matty –

    Wanted to try my hand at growing outdoors in Calgary and figured this would be a good strain to work with. For sure ended up with two distinct genotypes. A couple turned into these weird little tiny bonsai plants that I assume would be the ruderalis coming out. The other plants turned out reasonably well depending on where I grew them in the yard. I’ve been smoking high test indoor for so long I was a bit skeptical these buds would be worth smoking but they turned out quite nice. Recommend and will buy again next year.

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About CropKingSeeds

Established in 2005, Crop King Seeds has been perfecting the genetics of the cannabis plant for medical and commercial grower seeking maximum results in THC levels and harvest size.

From classic strains to new age hybrids, our seeds are ideal for beginners and advanced growers wanting the best from the crop.

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