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Jack flash seeds

Jack Flash

Here you can find all info about Jack Flash from Sensi Seeds. If you are searching for information about Jack Flash from Sensi Seeds, check out our Basic Infos, Gallery, Degustation, Awards, Strain Reviews, Shop-Finder and Price Comparison, Lineage / Genealogy, Hybrids / Crossbreeds or User Comments for this cannabis variety here at this page and follow the links to get even more information – or list all Jack Flash Strains (3) to find a different version. If you have any personal experiences with growing or consuming this cannabis variety, please use the upload links to add them to the database!

Basic / Breeders Info

Jack Flash is an indica/sativa variety from Sensi Seeds and can be cultivated indoors (where the plants will need a flowering time of ±65 days ) . Sensi Seeds’ Jack Flash is a THC dominant variety and is/was never available as feminized seeds.

Sensi Seeds’ Jack Flash Description

Jack Flash is an easy to grow Jack Herer hybrid made by crossing our Award Winning Jack Herer with our best Super Skunk and the original Haze father.

How do you improve the best cannabis in the world? That was the big question when working on a new strain from the illustrious Jack Herer line. Since we’ve always had a particular love for Sativas, one thing Sensi breeders really wanted to change was the myth that delicious, cerebral, tropical strains were too difficult or low-yielding for the average indoor grower. Actions speak louder than words, so creating a Jack hybrid with all the growing advantages of a Skunk seemed the best way to prove our point.

Jack Herer’s sublime gene-pool has been refined, with desired traits reinforced largely through back-crossing. Over multiple generations, our favourite Herer mother was infused with a precise blend of Super Skunk and Haze, undergoing rigorous selection and testing at every stage.

Jack Flash is the triumphant outcome of that program — inbred with the bulk and vigour of her Afghani-Skunk ancestors without sacrificing any of Herer’s sumptuous Haze high. In isolating this particular balance of traits, the four common phenotypes of Jack Herer are reduced to two recurring forms in Jack Flash, representing the contrasting sides of her heritage. The Indica form is compact enough for SOG, with rapid and highly distinctive bud development. Calyxes swell to outrageous sizes, piling atop each other to form resin-saturated ropes which build into multi-point crowns on terminal buds.

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The Sativa-dominant Jack Flash is astounding in every way. Growers with space for medium-to-large plants should select this phenotype as a mother,- her flavour, yield and mind-body potency are virtually unparalleled. Significant height gain in flowering, paired with the ability to completely fill out with solid, running, Skunk-Haze bud means that best results are seen when Jack Flash’s Sativa form is allowed to finish at 1m or taller.

While most members of the Sensi family rate Northern Lights#5 x Haze or Jack Herer as their all-time favourite ganja, Jack Flash is another serious contender for the title and is steadily gaining ground on the two world champion Sativas.

Average flowering period (60 – 70 days)
45% Sativa / 55% Indica

Where to buy Jack Flash cannabis seeds?

Jack Flash from Sensi Seeds is available only as regular seeds. Feminized seeds are not available at the moment. In 6 seedbanks, we found 6 offers between EUR 96.12 for 10 regular seeds and EUR 108.00 for 10 regular seeds. If you are looking to buy Jack Flash Cannabis Seeds from Sensi Seeds somewhere – have a look to our Jack Flash Price Comparison page with all current offers from all the connected seedbanks and shops – or visit one of the following tested, trustworthy and recommended seed-shops directly to check out their current Jack Flash offers: Alchimia Grow Shop, Oaseeds, Linda Seeds | Linda Semilla, Herbies Head Shop, Seedsman and Samenwahl.com.

Jack Flash Awards

Sensi Seeds’ Jack Flash is a cupwinning variety and won the 3rd Place at the High Times Cannabis Cup 2004 in the category Cannabis Cup / Best Cannabis, submitted by Sensi Seeds!

Jack Flash Cannabis Seeds

The Sativa-dominant Jack Flash is astounding in every way. Growers with space for medium-to-large plants should select this phenotype as a mother.

Jack Flash Cannabis Seeds from Sensi Seeds

How do you improve the best cannabis in the world? That was the big question when working on a new strain from the illustrious Jack Herer line. Since we’ve always had a particular love for Sativas, one thing Sensi breeders really wanted to change was the myth that delicious, cerebral, tropical strains were too difficult or low-yielding for the average indoor grower. Actions speak louder than words, so creating a Jack hybrid with all the growing advantages of a Skunk seemed the best way to prove our point.

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Jack Herer’s sublime gene-pool has been refined, with desired traits reinforced largely through back-crossing. Over multiple generations, our favourite Herer mother was infused with a precise blend of Super Skunk and Haze, undergoing rigorous selection and testing at every stage.

Jack Flash is the triumphant outcome of that program — inbred with the bulk and vigour of her Afghani-Skunk ancestors without sacrificing any of Herer’s sumptuous Haze high. In isolating this particular balance of traits, the four common phenotypes of Jack Herer are reduced to two recurring forms in Jack Flash, representing the contrasting sides of her heritage. The Indica form is compact enough for SOG, with rapid and highly distinctive bud development. Calyxes swell to outrageous sizes, piling atop each other to form resin-saturated ropes which build into multi-point crowns on terminal buds.

The Sativa-dominant Jack Flash is astounding in every way. Growers with space for medium-to-large plants should select this phenotype as a mother,- her flavour, yield and mind-body potency are virtually unparalleled. Significant height gain in flowering, paired with the ability to completely fill out with solid, running, Skunk-Haze bud means that best results are seen when Jack Flash’s Sativa form is allowed to finish at 1m or taller.

While most members of the Sensi family rate Northern Lights#5 x Haze or Jack Herer as their all-time favourite ganja, Jack Flash is another serious contender for the title and is steadily gaining ground on the two world champion Sativas.

Jack Flash #5 strain

Jack Flash #5 is a purposefully bred mix of Jack Herer (one of Sensi Seeds’ most purchased cannabis strains), Super Skunk and Haze. The result is a cannabis strain of 65% indica and 35% sativa, which allows for large harvests and is easy to grow. Thanks to the sativa content, some of the cannabis plants reach an impressive growth height, although they can also be kept more compact indoors. The weed’s high puts you in a good mood, while having a stimulating effect and can even have a euphoric effect on the psyche.

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Growth patterns

The feminized Jack Flash #5 cannabis seeds show up in two phenotypes: one that is more indica (compact, with large buds), and a larger one that sometimes requires considerably more space.

The strain has a fairly short flowering time of only 55 to 75 days. The more Skunk-like phenotype, usually does not grow that tall. Under optimal conditions, the height can be limited to about 100cm in indoor grow. However, the taller phenotype gives significantly better results when space has been prepared for growing. Outdoors, these plants can reach a height of 1.80 to 2.50m.

In terms of plant structure, the phenotypes differ significantly. The sativa type is narrow with thin lateral branches. These branches are densely covered with heavy buds that have the classic spiral arrangement. The Indica type is more compact and bushy with large, thick calyxes.

Jack Flash #5 offers you great yields. Outdoors, the plants reliably achieve about 600 grams per plant! Towards the end of the flowering period, the buds are heavy, large and densely covered with resin.

This strain thrives best in regions with long, warm, sunny summers, such as the Mediterranean region. The cannabis plants also grow well indoors or in a greenhouse. The indica phenotype is ideal for SOG (Sea of Green), although growers also report good results with SCROG (Screen of Green), lollipopping and supercropping.

Effect, taste and smell

Consumers describe the effect as stimulating, affecting the mind, and providing a good mood. The weed also has a relaxing effect. This strain also contains a slight psychedelic component and it often makes you talkative and alert. Therefore, Jack Flash #5 is good for social evenings.

The aroma of the growing plants is quite obvious; a special piney smell, with lemony and earthy undertones. This becomes especially apparent after the buds have cured and is also reflected in the taste.