Jack Herer is a powerful resinous strain of incensed taste and energizing effect. Good production both indoors and outdoors. Very fast flowering.
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Data sheet
Description
Jack Herer's genes are superior to most well-known marijuana plants in the market. Developed by Sensi seeds, as to honor the cannabis North American activist Jack Herer. He fought for the rights of marijuana growth, most specifically the Hemp and cannabis strains. His thesis was based on the belief that the growth of marijuana was the solution to deforestation, hunger and the excess of fossil fuels.
A strain with high quality and very compact sativa, any experienced grower takes advantage of the plant’s genetics, as it has short flowering period and compact buds full of trichomes. However, it is wanted for its charming earthy and incense aroma.
Many growers consider this plant as one of the best plants on earth. It is so well known that it is even sold in pharmacies across the Netherlands. A masterpiece that has a balanced amount of Indica and Sativa. This plant manages to get the best bud production characteristic of Indica plants and the mental effects thanks to its sativa characteristics.
This plant is for you if you want to produce as many cuttings as possible from mother plants. Its attractive genetics call out every cannabis grower in the market. Great results and a high THC concentration are guaranteed from this plant.
As you are planting indoors, this will guarantee you a high production rate in a short period of time despite it being a 50% hybrid. Considering it has a potent development, it will require your full attention to ensure proper growth. We strongly recommend from our point of view that, it is best to leave the plant growing until the second week. However afterwards, it is advisable to let it flower with a 12/12h photoperiod, so you avoid vertical overgrowth.
Once your strain has changed to the flowering stage, after around 63-70 days you will be able to harvest. So that your yield comes out as expected, we recommend you place 6 plants per square meter in plant pots (7-11L), in addition to quality lighting (Solux 600-Watt Dimmable Electronic Lighting Kit). This way you can obtain a maximum of 450g/m².
You will gather big and heavy buds, covered with infinite trichomes that will surround the plant and leaves too. It is advised that you grow this strain in a warm and dry climate. If you want to boost your yield the SOG (sea of green) system is for you.
The plants superior genetics, allows it to be a monster outdoors too. It will easily surpass the 2.5m mark. If you have any type of ground outdoors, or in any case a big plant pot, this is the plant for you. A spruce lookalike with a huge central baton full of flowers and resin. As well as anti-humidity structure, you will be able to harvest your grow around mid-October, gathering a maximum of 600g per plant.
There is two ways to fertilize your grow. If you are looking to maximise your plants organoleptic properties, we recommend organic fertilizer. Doing this you will be able to retain most of the plants flavour, scent, colour, etcera. On the other hand, if you are looking for a bountiful harvest, you should use mineral fertilizer, as it makes the plant heavier, especially for market growers.
One of the features the plant has, is that when grown indoors, it produces a subtle scent. You will not notice it unless you peek inside the closet, producing a flowery scent with a touch of earth.
You will have to wait for the curing and drying process to end so you can notice the burst of aroma this strain has. Once you open the lid, a mix of aromas will seep into your body: small touch of hashish and a strong incense. Combined with a fruity skunk flavour and lemony Afghan touch. An array of flavours that will make you drool.
This plant is famous thanks to its high THC levels (higher than 20%), in most of its phenotypes, it causes a cerebral and effusive effect, that activates all the cells in your body. As your high comes to an end you will notice a slight sluggishness around your body caused by its afghan roots.
The perfect strain for experienced smokers and THC plant lovers. Its better to not go overboard as if you do you will stay stuck on your sofa all evening.
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Usually joint purchase
08/04/2026
I'm repeating this strain: huge plants over 2 meters grew, heavily branched and packed with huge buds, very densely covered in flowers. A guaranteed high even if you're a regular user... Let's see how it goes this year... cheers!
Translated from Spanish
Repito con esta variedad: salieron plantas enormes de más de 2 metros muy ramificadas y llenas de cogollos enormes, muy densamente poblados de flores. Colocón asegurado aunque consumas habitualmente...
A ver qué tal este año...
salú!
09/05/2025
Perfect, as always. In-house bank more than reliable
Translated from Spanish
Perfecta, como siempre. Banco de la casa más que confiable
24/03/2025
Everything perfect.....
Translated from Spanish
Todo perfecto.....
02/04/2023
I put it in to fill a spot in my indoor grow where a seed from a well-known breeder failed, kept it in veg for 3 days and flipped the tent to flower. 4-liter pot, 1 month and 1 week old, measures 35 cm tall and just as wide, lots of resin and an incense-like smell. I'm impressed. I also grew a bulk blueberry and it's insane, smells like wet soil and blueberries. Also the banana punch... lots of resin, insane smell, and the Original GB look like S.A.D. In short, all the bulk seeds I've tried are great. The unicorn pop... spectacular.
Translated from Spanish
La puse xa rellenar un índoor que me falló alguna semilla de banco reconocido,la tuve 3dias en crecimiento y pase el índoor a florar.
Maceta de 4litros,1nes y 1semana de vida,mide 35 cm.de ancha igual,muxas resina y olor catedral.me ha impresionado.una blueberry a granel tmb la puse y es brutal.huele a tierra mojada y arándanos.
Tmb las banana punch.. muxa resina.olor brutal.y las original GB parecen s.a.d.
En resumen,todas las que e probado a granel son buenísimas.las unicorn pop..espectaculares.
22/08/2021
Truth is that GB seeds have turned out better than many from other well-known banks, very happy... outdoors the JH is the bomb, super vertical and has a great structure.
Translated from Spanish
La verdad es que las semillas de GB han salido mejor que muchas de otros bancos conocidos, muy contento... en exterior la JH es la bomba, super vertical y tiene una muy buena estructura.
17/05/2021
it grows completely from bottom to top with very hard buds. they don't judge. a very nice structure of buds full of bears. 70 days of flowering, after harvest it smells and tastes like pepper. That's the original Jack Herer
Translated from Spanish
crece completamente de abajo hacia arriba con cogollos muy duros. ellos no juzgan. una estructura muy bonita de cogollos llenos de osos. 70 días de floración, después de la cosecha huele y sabe a pimienta. Ese es el jack herer original
09/05/2021
Really good
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Buenisimas
26/04/2021
Ordered them to try something different, let's see how they are
Translated from Spanish
Las e pedido por probar otra cosa diferente aver que tal estan
15/04/2021
GB seeds never disappoint
Translated from Spanish
Las semillas de gb nunca defraudan
08/04/2021
For now, I can only comment on customer service, packaging, logistics, and the item descriptions on the site along with the ease of online shopping. Customer service is fast and efficient, replying in under 24 hours; yes, some replies are automated, like when you can't complete a payment and they ask if you left something in your cart, but when questions are more direct the answers stop being bots. I really liked the packaging, sustainable materials, the bulk seed vials can be reused as ml measuring tubes, the moon calendar is well thought out for both latitudes, and the packaging quality of the seed blister cards seems very high. Regarding the description of the Jack Herer 100% feminized on the website, it seems clear to me, though maybe a few more photos showing the growth or flowering of the seeds wouldn't hurt. Putting the whole description in a single block of info wouldn't be bad either. But that's just personal preference. I had issues paying for my shopping cart, I didn't create a registered account, used a prepaid Visa card and never got that second SMS verification code. With a standard bank card I was able to pay, though the text on the payment gateway wasn't clear at all, it took two attempts to get prompted for the electronic signature. About logistics, I was honestly impressed, despite current circumstances it didn't even take 36 hours from the moment I ordered, I left a contact phone number for the courier and they never called, luckily we were home ;) Overall rating 8/10 * (I haven't germinated all the seeds yet so I can't rate that, but what I can say is that with a 30-euro bulk seed order we got 13 seeds, which felt like a very reasonable price).
Translated from Spanish
De momento, sólo puedo hablar del servicio al cliente, el packaging, la logística y sobre la descripción de los items en la web y la facilidad para realizar compras online.
El servicio al cliente es rápido y eficiente, ya que responden en menos de 24 horas, sí, alguna respuestas son robotizadas, como cuando no consigues realizar un pago y te preguntan si has olvidado algo en la cesta, pero cuando las preguntas son más directas las respuestas dejan de ser bots.
El packaging me ha gustado mucho, materiales sostenibles, las pipetas de las semillas a granel son re-aprovechables como medidor ml, el calendario lunar está bien pensado, para las dos latitudes, y la calidad del packaging de las tarjetas de las semillas me parece de muy buena calidad.
Sobre la descripción de los Jack Herer 100% feminizadas de la web, me parece clara, aunque quizás unas fotos más para ver el crecimiento o floración de las semillas no estaría mal. Poner toda la descripción en un solo bloque de información tampoco estaría mal. Pero eso ya son cosas personales y al gusto de cada uno.
Tuve problemas al realizar el pago de mi cesta de la compra, no he creado un usuario registrado, y usé una tarjeta visa prepaid y nunca recibí ese segundo número de comprobación vía SMS. Con la tarjeta bancaria standard pude realizar el pago, aunque el texto en la web de pago no era nada claro, costó dos intentos para que me pidiera la firma electrónica.
Sobre la logística, quedé francamente impresionado, a pesar de las condiciones en las que nos encontramos no llegó a las 36 horas desde que realicé el pedido, dejé un teléfono de contacto para el transportista y nunca me llamó, por suerte estábamos en casa ;)
Nota global 8/10 * (Todavía no he germinado todas las semillas y no puedo dar esa nota, lo que sí puedo decir es que con un pedido de semillas a granel de 30 euros nos dio para 13 semillas y me pareció un precio muy razonable).
02/04/2021
Let's see how they turn out
Translated from Spanish
A ver que tal salen
01/04/2021
I received the order very quickly and I really liked how well-packaged it is and the information included. The seeds are good quality Jack Herer and I've already put them to germinate, along with the freebies. Thank you very much for the service, I will definitely buy again.
Translated from Spanish
Recibí el pedido con mucha rapidez y me ha gustado bastante lo bien preparado que viene y la información que adjunta.
Las semillas son Jack Herer de buena calidad y ya las he puesto a germinar, junto con las que me han regalado.
Muchas gracias por el servicio, volveré a comprar sin dudarlo.