Seeds
Critical Jack Auto Feminised Seeds
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SKU: SIL-CRJ-AUTO-FEM
Easy-to-grow auto with a good yields and a potent and long-lasting effect.
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Flowering Type
Autoflowering
Parental lines
Critical + 2.0 x Haze 2.0 Auto
THC content
Medium THC (10-15%)
CBD content
Low CBD (0-1%)
Autoflowering seed to harvest time
Information not available
Yield indoor
Information not available
Plant size
Information not available
Suitable climates
Temperate
From the breeder
Easy-to-grow auto with a good yields and a potent and long-lasting effect.
Silent Seeds breeder notesParental lines
Critical + 2.0Haze 2.0 Auto
Easy-to-grow auto with a good yields and a potent and long-lasting effect.
Critical Jack Auto is slightly indica-dominant strain and was produced by crossing Critical + 2.0 with Haze 2.0 Auto. It's a strain that is vigorous and easy to grow, even for a complete novice.
Growers should add about 30% coco fibre to the soil mix as this provides extra aeration for the roots. In addition, watering should be done on the basis of little and often to prevent waterlogging the roots. One pot to be used throughout the plants' entire life-cycle, 14 - 20 litres will be sufficient for Critical Jack Auto.
In 70 - 80 days from seed yields will be 450 - 500 gr/m2. Outdoors, where plants grow to a height of 50 - 100 cm, each plant can produce 100 - 250 gr. The elongated buds are dense and resinous.
The scents and flavours by this auto-flowering version are very similar to the original Critical Jack - cedar wood, citrus, mixed spice and Haze. THC production is medium at 12 - 15% while CBD is very low at just 0.01 - 0.2%. The effect is potent, balanced and long-lasting.
Brand/breeder
Silent Seeds
Parental lines
Critical + 2.0 x Haze 2.0 Auto
Flowering type
Autoflowering
Sex
Feminised
THC content
Medium THC (10-15%)
CBD content
Low CBD (0-1%)
Suitable climates
Temperate
SKU
SIL-CRJ-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
