Seeds
Northern Lights Auto Feminised Seeds
SKU: SMAN-NL-AUTO-FEM
Potent and productive auto strain.
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Total
1
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1/10
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Flowering Type
Autoflowering
Parental lines
Afghani x Thai
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Autoflowering seed to harvest time
10 to 12 weeks
Yield indoor
Average Yield (350-450gr/m2)
Plant size
Medium
Suitable climates
Cool, Dry, High altitude, Hot, Temperate, Warm
From the breeder
Potent and productive auto strain.
Seedsman breeder notesAroma
Earthy
Parental lines
AfghaniThai
Potent and productive auto strain.
Intense shades of purple, blue and green define this small but lethal indica variety. With a tapestry of flavours ranging from pine and earth to sweet and sour plum jam, Northern Light Auto has a strong combination of both cerebral relaxation and couch lock. Like most auto-flowering varieties, this strain is easy to grow and prefers light, low release fertilisation and is mould, pest and disease resistant.
Brand/breeder
Parental lines
Afghani x Thai
Variety
Indica dominant
Flowering type
Autoflowering
Sex
Feminised
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Yield outdoor
Average Yield (200-450gr/plant)
Yield indoor
Average Yield (350-450gr/m2)
Plant size
Medium
Autoflowering seed to harvest time
10 to 12 weeks
Suitable climates
Cool, Dry, High altitude, Hot, Temperate, Warm
Aroma
Earthy
SKU
SMAN-NL-AUTO-FEM
Autoflowering outdoor timeline
Autos can be sown in multiple waves through the season for staggered harvests.
Stage 1
Germination
April – July
Wait for: warmer days, no frost, stable temperatures
Watch for: cold nights, overwatering, weak early light
Stage 2
Seedling / Transplant
1–2 weeks after sprouting
Wait for: strong light, mild weather, protected start
Watch for: slug damage, stretching, transplant stress
Stage 3
Vegetative Growth
Weeks 2–5
Wait for: long bright days, healthy root growth
Watch for: stunting, nutrient burn, pest pressure
Stage 4
Flowering
Weeks 5–8+ depending on cultivar
Wait for: steady sunshine, decent airflow, dry spells
Watch for: mould, heavy rain, snapped branches
Stage 5
Harvest
Weeks 8+ or summer to early autumn
Wait for: mature trichomes, swollen buds, finished aroma
Watch for: bad weather, bud rot, harvesting too early
Indoor autoflowering timeline
Autoflowers follow their own internal clock, making indoor timelines easier to plan from seed to harvest.
Week 0
Germination
Healthy seedling emergence
Wait for: healthy seedling emergence
Watch for: overwatering, weak starts
Week 1–2
Seedling
Steady early growth
Wait for: steady early growth
Watch for: stretching, stress, excess moisture
Week 2–5
Early Growth
Strong leaf and root development
Wait for: strong leaf and root development
Watch for: stunting, overcrowding, early stress
Week 5–9+
Flowering
Bud development and visible maturity
Wait for: bud development and visible maturity
Watch for: humidity issues, poor airflow, plant stress
Week 8–12+
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: harvesting too early
Based on 1,476 reviews
Northern Lights Auto Feminised Seeds - 5
These seeds are growing beautifully and I can’t wait to see them bud
1 person found this review helpful.
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Northern Lights Auto Feminised Seeds - 3
Never had a problem in past with this strain . But this pack. Not so good. Very rare for this strain not to pop.
1 person found this review helpful.
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Northern Lights Auto Feminised Seeds - 5
Not one of the seedlings survived upon moving them outside
1 person found this review helpful.
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Northern Lights Auto Feminised Seeds - 5
My first grow and all the plants were successful. ❤️❤️
2 people found this review helpful.
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Northern Lights Auto Feminised Seeds - 5
My favorite auto hands down, fantastic yields , pest and mold free with classic NL taste and effects , a fantastic strain for a fast grow to help treat chemotherapy side effects and related insomnia. Germination rate was a 100%. As a medical patient who treats with cannabis and not pharmaceuticals I really appreciate this strain to treat cancer side affects.
2 people found this review helpful.
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Northern Lights Auto Feminised Seeds - 3
The seeds are growing nicely and are a couple weeks away from harvest. One has good stretch and bud development. The second is a little short and dense but still progressing g nicely.
1 person found this review helpful.
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Northern Lights Auto Feminised Seeds - 5
Easy to start and grow. Great for a beginner or experienced grower
3 people found this review helpful.
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Northern Lights Auto Feminised Seeds - 3
Did not grow consistent different sizes and yields all grown in same organic medium
1 person found this review helpful.
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Northern Lights Auto Feminised Seeds - 10
Very impressed with this strain. They have been very easy to cultivate, have really nice and big dense buds and are covered in thc
1 person found this review helpful.
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Northern Lights Auto Feminised Seeds - 3
This was my second time growing Seedsman Norther Lights Auto. And my first time ever growing in DWC. Lots of issues along the way being the first time in hydro. But man, did this plant hold up. Throughout all my problems getting the water dialed it, the plant exploded in growth and was healthy. Probably one of the better yields I had at 2 oz. Not to mention the overall quality that went into the genetics. 10/10 on smell, taste, color, and effect. Will definitely be purchasing again.
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Northern Lights Auto Feminised Seeds - 5
Love the smelll definitely would recommend
1 person found this review helpful.
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Northern Lights Auto Feminised Seeds - 1
Bought it grew it smoked it
1 person found this review helpful.
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Northern Lights Auto Feminised Seeds - 5
Its not called 'Old Faithful' for nothing, a champion yield and smoke indeed !
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Northern Lights Auto Feminised Seeds - 1
Didn't germinate soaked in water for 3 day's then onto wet paper towel on a plate with another plate on top for over a week still no joy
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Northern Lights Auto Feminised Seeds - 1
Grows like hell
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