Feminized Seeds

heavyweight fast & vast

Heavyweight Seeds

Strain Effects

Fast & Vast Auto Feminized Seeds Strain Effects

Fast & Vast Auto Feminized Seeds


In stock


If you're looking for maximum yields and maximum potency in an autoflowering strain then look no further. 



If you're looking for maximum yields and maximum potency in an autoflowering strain then look no further. 

Fast was the first hurdle for Heavyweight, taking a sturdy white dwarf and crossing it with an auto skunk that would reach its full potential in 7 careful weeks, and then the Vast came when further crossing with a powerful Afghani auto.  Great care has been taken to ensure that the high yields are not at the expense of quality, the long thick buds covered in sparkling crystals produce a high quality soft and sweet smoke with spicy undertones.  The effect is very fast and knock out, leading to a long relaxed stone.  

Don't expect Fast and Vast to perform like any ordinary auto, for this is no ordinary auto, it's a Heavyweight Auto!


Additional Information

Seedbank Heavyweight Seeds
Genetics Afghani x Skunk x White Dwarf
Sex Feminized
Variety Indica / Sativa
Flowering Type Autoflowering
THC Content High (15-20%)
CBD Content Low (0-1%)
Yield High
Plant Height Medium
Grows Greenhouse, Grows Indoors, Grows Outside
Flowering Time 8 weeks


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  1. I'm very pleased with seed supreme an heavyweight seed . Review by Joseph

    Every seed worked it was my first grow an they didn't let me down. The plants were amazing so easy to grow. It is great smoke also .i think the yield was good . I will definitely buy from heavyweight seeds again. Joe t (Posted on 3/12/2017)

  2. very fast full plant Review by sherry

    This was one of my best plants so far. The plants were very strong and lots of buds. Very nice high, smell, and smoke. I will be growing more of these but want to try many others. Good luck everyone. (Posted on 3/10/2017)

  3. Awesome seeds so far Review by Lance

    100% germination rate for me so far. 14 days in and looking great! Cant wait til its time to blaze. (Posted on 1/5/2017)


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