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Jack Flash Regular Seeds

Seed Type
Regular strain
Seed Bank
Sensi Seeds
Yield
Heavy yield
Climate Zone
Sunny / Mediterranean
Height
High plant
Flowering Time
Average flowering period
Sativa / indica
Sativa / indica hybrid
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Cannabis Cup Winner Gold
€108.00
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About Jack Flash Regular Seeds

Jack Flash Regular is 55% indica and 45% sativa. This fairly even split means that the strain offers the best of both worlds. It’s easy to grow, with extra-large yields, like a typical indica. However, the high resembles a pure sativa; euphoric and energising. The plants can reach towering heights, and have a potent, earthy scent. This aroma gains strength closer to harvest time.

Jack Flash Regular is a high-performing hybrid; crossing Jack Herer with a Super Skunk and a Haze. Outside, it grows to prodigious heights, and offers impressively big yields. However, the height can be limited by growing the plants indoors. The buds produce a deliciously earthy, citrusy scent, and the plentiful resin can be used to make extracts. As for Jack Flash’s high? It’s pure sativa – energetic, creative and uplifting.

Growth pattern of Jack Flash Regular

Jack Flash Regular cannabis seeds are an almost balanced combination of sativa (45%) and indica (55%). The strain was created by Sensi Seeds, who took their original Jack Herer genetics, and crossed them with Haze and Super Skunk. The result is an energising, happy high that’s pure Jack Herer, combined with the many benefits of indica strains.

These cannabis seeds are the regular variety, which means they’ll produce both male and female plants. This is ideal for those who want to generate their own seeds, or who want to experiment with breeding plants themselves.

Jack Flash Regular requires an average amount of time to complete its flowering. Growers can anticipate the flowering stage to take around 70 days in total. When cultivated outdoors, the plants can reach staggering heights. In fact, it’s not uncommon for them to grow as tall as 180 to 250 cm. Inside, they’re less towering, and in optimum growing conditions, they can be limited to around 100 cm. On average, growers should expect them to be around 100 to 180 cm when cultivated indoors.

When it comes to the structure of the plants, this strain has the tendency to ‘bush out’ like an indica. It produces substantial yields, both indoors and out. Inside, growers report harvesting around 500 grams per square metre. Outside, grow reports mention about 600 grams per plant, which is much more plentiful than average sativa harvests.

The plants have a highly distinctive bud formation. The mould-resistant buds are large and densely-packed, and form resinous ropes. For best results, expert growers usually recommend cultivating Jack Flash Regular in a warm, sunny climate, with a reliably long summer. The plants also grow well inside, and respond favourably to the supercropping and lollipopping training techniques.

Effect, taste, and smell of Jack Flash Regular

Jack Flash Regular is a 55% indica and 45% sativa strain. Although it’s an almost even split, the high is very much sativa in personality. Users report feeling euphoric and uplifted, and often chatty and creative too. In fact, it’s a popular choice for social situations. Users should be aware that the effects are almost immediate, and extremely potent – so some caution is advised for inexperienced users.

While the plants are growing, they produce a skunky, pungent aroma. While this is noticeable, it’s not overpowering, which is useful when cultivating in the home. The smell intensifies as the buds reach harvest-time, taking on a more dank, intense quality. As for the taste? It’s regarded as quite pleasant, with hints of citrus and exotic wood.

Did you know?

  • Jack Flash is a prize-winning strain: It has won awards at the Denver Cannabis Cup, and the Highlife Festival.
  • It’s referenced in the song ‘Over the Pot (State of Grind)’ by Gast.
  • The popular Jack Herer strain is one of this variety’s parent-plants.
  • Thanks to its indica genetics, it’s easier to grow than other sativa-hybridised plants. However, pruning these plants requires more expertise.
Seed Type
Regular strain
Jack Flash® is a regular strain, which will produce male and female plants.
Seed Bank
Sensi Seeds
Yield
Heavy yield
Jack Flash® can produce a very large yield, but may require a little extra care to achieve their full potential.
Climate Zone
Sunny / Mediterranean
Jack Flash® can be grown outside in a warm, sunny climate with a long summer.
Height
High plant
Jack Flash® will grow substantially during the flowering phase.
Flowering Time
Average flowering period
Jack Flash® will need an average flowering time to reach their full potential.
Sativa / indica
Sativa / indica hybrid
Jack Flash® is a Sativa / Indica Hybrid.
Cannabis Cup Winner
Cannabis Cup Winner Gold
Jack Flash® has won a Cannabis Cup or another Cannabis Award.

Product Reviews

This is the shit!
I think in the year 1999 a buddy got the clones from a friend and one was for me. Original Sensi Seeds. Awesome plant, awesome weed. Great yielder, nothing like it. Taste, smell, beauty. Jack Flash!!!
Top
Wächst super indoor, wird sehr hoch (ca. 1,50m), dauert aber auch etwa 3-4 Monate von Samen bis Blüte. Sensi seeds is toll.
Excellent weed
The best weed for the old school smokers
top notch
as an primarily outdoor grower, i only get one shot per year at raising a harvest. 2017 was my second year trying my hand at the sensi jack flash ... and what a beauty it is. everything written about it is true, so i won't add any superlatives. i have been a regular cannabis user for 22 years; some of my friends who have considerably more experience than me have often said that jack flash is the best strain they have ever tasted. at this point in my life, i agree with them completely which really makes me want to try my hand at growing the sensi jack herer. i grow in Canada, outdoors using organic farming and the TLO principles (by the Rev) as my guidelines. average yield has been just over 1 lb per plant, cured to 55% humidity. last week, a good friend tried it and said "man, this is the truffle of weed strains". i couldnt agree more. this year i grew 6 different strains from various seed banks (jack flash, lemon thai cush, durban poison, green crack, afghani mazaar and double gum) ... jack flash and lemon thai cush were the creme de la creme! one word of advice: when growing jack flash outdoors, please refrain from using molasses that are not BLACKSTRAP as the sulfur in those really hurts the micro-organisms around the roots and leads to subpar results ... and in my experience jack flash LOVES regular blackstrap molasses infused microfiltered water every 2 weeks (i use about 1 tbsp for every 4 litres which is A LOT, but not a problem for jack flash). enjoy
top notch
as an primarily outdoor grower, i only get one shot per year at raising a harvest. 2017 was my second year trying my hand at the sensi jack flash ... and what a beauty it is. everything written about it is true, so i won't add any superlatives. i have been a regular cannabis user for 22 years; some of my friends who have considerably more experience than me have often said that jack flash is the best strain they have ever tasted. at this point in my life, i agree with them completely which really makes me want to try my hand at growing the sensi jack herer. i grow in Canada, outdoors using organic farming and the TLO principles (by the Rev) as my guidelines. average yield has been just over 1 lb per plant, cured to 55% humidity. last week, a good friend tried it and said "man, this is the truffle of weed strains". i couldnt agree more. this year i grew 6 different strains from various seed banks (jack flash, lemon thai cush, durban poison, green crack, afghani mazaar and double gum) ... jack flash and lemon thai cush were the creme de la creme! one word of advice: when growing jack flash outdoors, please refrain from using molasses that are not BLACKSTRAP as the sulfur in those really hurts the micro-organisms around the roots and leads to subpar results ... and in my experience jack flash LOVES regular blackstrap molasses infused microfiltered water every 2 weeks (i use about 1 tbsp for every 4 litres which is A LOT, but not a problem for jack flash). enjoy
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