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Northern Lights Feminized Seeds


Type: 90% Indica 10% Sativa Hybrid

THC Level: Very High, 16-18%

CBD Level: Extremely low, under 1%

Effects: Relaxed, Happy, Sleepy, Balanced, Euphoric

Used for: Insomnia, Depression, Stress, Pain

Flavours: Citrus, Earthy, Lemon, Sweet, Pine

Dominant Terpene: Myrcene


Flowering Time: 7 to 9 Weeks

Yield: 575 to 625 gr/plant outdoors, or 500 to 550 gr/m2 indoors

Height: 180 to 220cm outdoors, or 100 to 160cm indoors

Best grown: Indoors and Outdoors

Climate: Warm, sunny environment, 21 to 29 degrees Celsius

Grow difficulty: Easy

About the Strain

Northern Lights is one of the most commonly smoked cannabis strains around the globe and is loved by both beginner and experienced growers. This strain will leave you deeply relaxed, perfect after the end of a long day!

The strain gets its name from the variety of colours in its buds, from greens, purples, and blues. It was originally a pure indica strain but after years of being cross-bred, it now has around 10% sativa in it.

Northern Lights is the result of mixing two strong landrace strains: Afghani indica and Thai sativa. Origins are not entirely 100% known, although it is said to have been born in Washington state and later rejuvenated in the Netherlands in around 1985. Northern Lights has produced further popular strains such as Shiva Skunk and Super Silver Haze.

Aromas, Flavours and Appearance

The aroma of Northern Lights is as one might imagine, a woody and sweet piney scent. The aroma is a pleasant one and very earthy, with hints of citrus.

Taste-wise, the piney and earthy flavour is apparent, which then leads onto a much sweeter, candy-like taste. Hints of sweet lemon, pine and earthy flavours add to the overall subtle taste, that leaves you wanting more.

The buds of Northern Lights are dense, packed in closely to one another, with its sugar leaves protruding a little outwards. It has a deep green colour, with pistils that are shades of orange, blue, purple, and green.

purple and green pistils

Effects and Usage

This strain will give you a nice balanced high that is deeply relaxing but will not leave you completely glued to the coach either. Users will feel a sense of dreamy euphoria, and an easy bliss feeling, making it the perfect end of the day strain.

The body high that you will experience with Northern Lights can help with issues like chronic pain, arthritis, and migraines. Its gentle uplifting and relaxation sensations can also help with stress or to balance negative moods.

Dry mouth and dry eyes are adverse effects of this strain (as most cannabis strains) and can be helped by drinking plenty of water and using hydrating eye drops.


Northern Lights is a popular strain to grow as it is pretty easy to cultivate, plus it is also quite resistant to disease, pests, and bugs. It grows to a medium height and is great for both indoor and outdoor grows.

Best Climate

This strain loves a moderately warm, sunny environment, around 21 to 29 degrees Celsius, and can get up to 220cm when grown outdoors. In a grow room, do not go over 29 degrees Celsius, as this strain will start to struggle, unless you add some more CO2 to the indoor environment. Lower temperatures right at the end of flowering will help produce lots of trichomes, for a potent and rich bud.


During the seeding and vegetative stage, keep your relative humidity (RH) at least 60%, reducing this by 5% each week during the flowering stage, until it reaches around 40-45% right at the end of flowering.

Indoors or Outdoors?

Northern Lights is great for indoor and outdoor grows, and an easy one for beginner growers to start with. It can also be more resistant to pests, disease, and bud rot  than other strains. This strain is easy to maintain and quite compact when grown indoors, but with a good amount of yield.

cannabis early flower with purple background

Flowering, Yield and Harvest

Northern Lights flowers relatively quickly in around 7 to 9 weeks. You can get around 575 to 625 grams per plant for an outdoor grow, or 500 to 550 grams per square metre indoors.

Harvest in the Southern hemisphere should be ready around mid-April and by mid-October in the Northern hemisphere.

Check out our Aussie grow calendar for when to harvest outdoors in Australia.

Plant Feeding

This strain loves a high amount of nitrogen (N) during the vegetative stage and high levels of phosphorus (P) and potassium (K) during the flowering stage. It can also tolerate higher levels of nitrogen during each stage, as opposed to other strains, as it is more resistant to nitrogen burn.

You will also need to provide your plant with sulphur, calcium, and magnesium, and trace amounts of zinc, copper, iron, boron, and manganese. If buying high-quality potting soil with the ‘N-P-K’ numbers on the front, you will likely not need to add much else to your soil or growing mediums, to avoid nutrient burn.

Using a hydroponic set up can help you control the level of nutrients you give to your plants.

Other Growing Tips

The Sea of Green (SOG) method works well with the Northern Light strain and may help you to produce bigger yields. This is also one strain that you can get multiple harvests out of each year. By growing your plants indoors during the seedling and vegetive stage, and moving them outdoors during the flowering stage, you can have a continuing flow of harvest from this strain.

Northern Lights prefers a mildly acidic soil or growing medium (much the same as the majority of strains). A pH of 6.0 and 7.0 is optimal for cannabis plants, with some saying 6.2 to 6.7 works best specifically for the Northern Light strain.

You can purchase a pH metre and then pH UP and pH DOWN solutions to control the pH levels in your growing medium.

Feminised Seeds

Feminised seeds ensure that the plant you will grow is female. Only the female plants can make the flowers and buds that produce weed (not male plants). By buying feminised seeds you can be sure that you have the best chances for a good harvest!

marijuana seeds

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1, 10, 20, 3, 5

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