Seeds
Jack Diesel Express Auto Feminised Seeds
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SKU: PS-JACKD-AUTO
Sativa-dominant auto strain with good resin production and a cerebral effect.
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1
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Flowering Type
Autoflowering
Parental lines
Auto Diesel x Jack Diesel
THC content
Medium THC (10-15%)
CBD content
Medium CBD (1-5%)
Autoflowering seed to harvest time
Information not available
Yield indoor
Information not available
Plant size
Information not available
Suitable climates
Dry, Humid, Temperate, Warm
From the breeder
Sativa-dominant auto strain with good resin production and a cerebral effect.
Positronic Seeds breeder notesParental lines
Auto DieselJack Diesel
Sativa-dominant auto strain with good resin production and a cerebral effect.
The result of a careful cross between an automatic Diesel and the majestic Jack Diesel, creating an innovative effect within the automatic plants. The resulting hybrid is a spectacular plant, ready in 70 days after germination. Its growth is vigorous, robust and branched, in a pyramid shape, which is typical of Sativas. The buds are full of resin and release an intense aroma that is a mixture of Diesel and Haze. The principal advice for cultivation is to allow the plant to mature fully, given it’s of Sativa descent. The size of the container must also be taken into account, as it demands a high quantity of nutrients and space for its roots. It has an optimal resistance to fungi.
- AROMA: A pleasant mixture of incense and fruits, with acidic, meseeds_plant_height=seeds_plant_height=Tallic and citrus based touches.
- FLAVOUR: Identical to its aroma, showing its homogeneity, although a higher influence of Diesel is perceived.
- EFFECT: Typical of the Haze and Diesel varieties subtle yet alert.
Brand/breeder
Positronic Seeds
Parental lines
Auto Diesel x Jack Diesel
Variety
Sativa dominant
Flowering type
Autoflowering
Sex
Feminised
THC content
Medium THC (10-15%)
CBD content
Medium CBD (1-5%)
Suitable climates
Dry, Humid, Temperate, Warm
SKU
PS-JACKD-AUTO
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 5 reviews
Jack Diesel Express Auto Feminised Seeds - 5
A little disappointed with this strain. It took 13 weeks, not 10, from germination. The high was a little weak, but also caused some later in the day anxiety. During the last few weeks the top leaves turn several colors, very pretty. I grew this twice, and second time added Cal-Mag supplement that prevented leave spots.
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Jack Diesel Express Auto Feminised Seeds - 5
I bought a pack of these remembering that I grew the standard version years ago and loved the strain. I think I have one seed left, the others failed to germinate. Extremely poor.
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Jack Diesel Express Auto Feminised Seeds - 5
I could not get the seeds to germinate. I had a friend try and he also could not get them to germinate. Never had this issue before or since with my other purchases.
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Jack Diesel Express Auto Feminised Seeds - 5
Did the paper towel method as I have done for the past 8 years and have never had a problem on all 10 seeds...the 5 I bought and the 5 extra tall sent and none of them popped. Old seeds equal waste of time and money. Will not buy again and will not recommend
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Jack Diesel Express Auto Feminised Seeds - 5
Two of my seeds germinated (of five) and none grew out. The Mamma Mia’s I grew along side them are growing perfect! Must have just been a bad bag.
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