Seeds
Jack 47 XL Auto Feminised Seeds
SKU: SS-J47XL-AUTO-FEM
XL version of Jack 47 Auto.
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1
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Flowering Type
Autoflowering
Parental lines
Jack 47 Auto® x Jack 47 Auto®
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Autoflowering seed to harvest time
8 to 10 weeks
Yield indoor
High Yield (450-600gr/m2)
Plant size
Short
Suitable climates
Dry, Humid, Temperate, Warm
From the breeder
XL version of Jack 47 Auto.
Sweet Seeds breeder notesAroma
Minty
Parental lines
Jack 47 Auto®Jack 47 Auto®
XL version of Jack 47 Auto.
Jack 47 XL Auto® has been developed through a recurring selection program, over multiple generations, of individuals of high stature and high production of Jack 47 Auto®.
It is an auto-flowering high production that retains a powerful hybrid vigour. It produces abundant compact buds, very resinous and of excellent aroma. The aroma and flavour of this genetics is sweet and fresh, with lemon and incense citrus tones. Possibly, one of the most powerful auto-flowering that can be found in the market.
Brand/breeder
Parental lines
Jack 47 Auto® x Jack 47 Auto®
Variety
Sativa 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
High Yield (450-600gr/m2)
Plant size
Short
Autoflowering seed to harvest time
8 to 10 weeks
Suitable climates
Dry, Humid, Temperate, Warm
Aroma
Minty
SKU
SS-J47XL-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 34 reviews
Jack 47 XL Auto Feminised Seeds
I have not had time to germinate the seeds yet but I will soon.
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Jack 47 XL Auto Feminised Seeds
Met every expectation I had. Excellent product.
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Jack 47 XL Auto Feminised Seeds
They sprout, they grow and then they go up in smoke. What more is there to say? Oh yeah....seeds arrive quickly and the freebies are great. Best selection at prices that are the absolute best I've found world wide.
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Jack 47 XL Auto Feminised Seeds
I could not get them to germinate at all and have never had trouble with germinating seeds before. This order I have had three types that won’t germinate including this one
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Jack 47 XL Auto Feminised Seeds
Grows fast after germination. Easy to LST and would probably respond well to topping. I’m in week 8 and not looking to rush the harvest so hopefully four more weeks to go.
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Jack 47 XL Auto Feminised Seeds
Grows fast after germination. Easy to LST and would probably respond well to topping. I’m in week 8 and not looking to rush the harvest so hopefully four more weeks to go.
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