Jack 47 - F1 Fast Version (Sweet Seeds) feminized

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Sweet Seeds Jack 47 is a highly potent sativa-dominant strain, and a crossing of Jack Herer and AK-47. Crossing the feminized version of Jack 47 with Jack 47 Auto reduced the flowering time by approximately 1-2 weeks. This non-autoflowering fast version of Jack 47 will be ready for harvest after a flowering time of 7-8 weeks, and still has the capacity to yield up to 500-600g/m².

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Sweet Seeds – Jack 47 F1 Fast Version: 1-2 weeks faster and equally potent

Sweet Seeds' breeders discovered that crossing non-autoflowering strains with autoflowering genetics can be a good way to reduce the flowering time of the next generation of plants. The F1 generation does not carry the autoflowering trait, but is instead grown just as you would grow a common feminized strain. Sweet Seeds put their Jack 47 through this process: the original and highly popular Jack 47 was crossed with Jack 47 Auto, resulting in a non-autoflowering F1 generation with a flowering period that is approximately 1-2 weeks shorter.

Jack 47 F1 Fast Version has 75% Sativa genetics, and needs a flowering period of 7-8 weeks to fully mature. The original Jack 47 usually needs a flowering period of 9-10 weeks. Indoor yields of up to 500-600g/m² are still feasible, and outdoor growers can harvest their plants by mid September, reducing the chance of mould destroying their precious crops. These plants grow with exceptional vigour, and produce large buds that are fully covered by a thick layer of sticky resin.

Flavours and effects are mainly responsible for the huge success of Jack 47, and are also one of the main arguments for growing the F1 Fast Version of this strain. The taste and aroma can be described as a blend of fresh, sweet, and flowery tones, with noticeable hints of incense and lemon. It’s definitely a great tasting variety, and the very strong uplifting effects help to make this strain complete.

The original Jack 47 is an outstandingly good performing cannabis strain, and the F1 Fast Version is no exception. Reducing the flowering time by 1-2 weeks doesn’t necessarily sound like a revolution one has to go crazy about, but this time span can mean a big difference for outdoor growers who can potentially harvest before the weather shifts. Indoor growers will profit from an increased efficiency, and can save money spent on electricity.

Jack 47 - F1 Fast Version (Sweet Seeds) feminized data sheet
Brand Sweet Seeds
Parents Jack 47 x Jack 47 Auto
Genetics 25% Indica / 75% Sativa
Flowering Type Photoperiod
Flowering Time 7-8 weeks
THC 24%
CBD 1%
CBD:THC 1 : 24
Yield (Indoor) Up to 600 gr/m²
Yield (Outdoor) High
Sex Feminized
Available as Feminized seeds
*Specified by breeder when grown under ideal circumstances
Reviews (5)
    (5)
    View all reviews
    15/Mar/2024

    Super
    Sehr schnell gekeimt und Perfekts Wachstum Tolle Pflanze Sehr angenehme schnelle und neutrale Versandabwickling Hier bestelle ich gerne wieder

    R. K.
    07/Dec/2023

    jack47 fast
    both seeds germinated one was cut at 53 days of flowering not heavy yielder but according to owners manual its perfect.This will be of permanent if the rest is so good as the speed of growing .Now drying about 10 days and after that curing and we will see.I hope i will have merry Christmas and high one

    V. V.
    01/Jan/2022

    Schwache Genetik
    4/4 gekeimt 1 Zwitter 4 verschiedene Phenos Lohnt sich leider nicht, allein schon wegen dem Zwittern nicht , leider ist dies heutzutage zur Normalität geworden das Zwitter dabei sind. Auch das die F1 schneller Fertig sein soll stimmt nicht , die brauchen fast 10W Blüte und kein 7-8W. Daher kann man auch zum Orginal greifen. Von der Wirkung her auch nichts besonderes da hält jede Skunk / White Widdow mit

    E. B.
    24/Jun/2020

    Tutti germinati
    Vedremo poi il risultato finale

    S. B.
    18/Jun/2020

    Bin zufrieden!
    Ich habe 3 bestellt und 4 erhalten (3+1 Free Limited Edition Pack), alle sind gekeimt und bis auf eine die ich aussortiert habe weil sie zu schwach war entwickeln sie sich prächtig!

    C. B.
    You cannot post a review because you have not purchased this product
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Jack 47 - F1 Fast Version (Sweet Seeds) feminized
Jack 47 - F1 Fast Version (Sweet Seeds) feminized
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