Seeds
North Thunderfuck Auto Feminised Seeds
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SKU: RQS-NTHF-AUTO-FEM
Potent and productive auto strain.
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Flowering Type
Autoflowering
Parental lines
North Thunderfuck x Ruderalis
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Autoflowering seed to harvest time
10 to 12 weeks
Yield indoor
High Yield (450-600gr/m2)
Plant size
Medium
Suitable climates
Cool, Dry, High altitude, Hot, Temperate, Warm
From the breeder
Potent and productive auto strain.
Royal Queen Seeds breeder notesAroma
Earthy
Parental lines
North ThunderfuckRuderalis
Potent and productive auto strain.
North Thunderfuck Auto is an indica/sativa hybrid auto-flowering strain (Sativa 45%, Indica 50%, Ruderalis 5%) that results from crossing North Thunderfuck with a ruderalis strain. It's a potent auto with high yields.
This is a medium-sized variety with indoor-grown plants reaching a height of 70 - 140 cm. tall while those cultivated outdoors grow a little taller at 120 - 150 cm. Plants are ready to harvest in 10 - 12 weeks from germination with flowering beginning sometime in the third week or so of growth. Indoor yields are very good at between 500 - 550 gr/m2 while outdoors each plant can produce 90 - 140 gr. each.
After drying and curing flavours are earthy, lime and Skunk. THC is very high at 22%, CBD is low, and the effect is said to be physically relaxing and cerebrally uplifting.
Brand/breeder
Parental lines
North Thunderfuck x Ruderalis
Variety
Indica dominant
Flowering type
Autoflowering
Sex
Feminised
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Yield outdoor
Modest Yield (up to 200gr/plant)
Yield indoor
High Yield (450-600gr/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
RQS-NTHF-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
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