Please note that all orders with non seeds products require a manual quotation for shipping for the time-being. Please place your order as usual and then contact us and we will provide you with the shipping price. Thank you in advance for your co-operation.

Please note that we are having technical issues with ordering today (22.10.21). We are working to get this resolved as soon as possible. Thanks in advance for your patience.

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Heavyweight Seeds

Heavyweight Seeds started in mid-2008, when their team visited a local cultivator who had obtained incredible results from his latest crop. They purchased clones of his mother plants and bought them back to Spain with them.

The resulting strains created of the cross between the aforementioned mother plants was truly mid-blowing. To preserve these special phenotypes more efficiently, Heavyweight Seeds decided to create their own gene pool. It took about a year to ready their products for the market and create a brand, which has become Heavyweight Seeds.

Heavyweight Seeds put much of their focus on creating strains with incredible resin production. Their genetics produce a return in resin between 10% and 20% grown under normal conditions with generic nutrients.

Heavyweight Seeds use extreme germination methods during the breeding process. They put the seeds in places where humidity and temperature variables are adaptable, forcing them to germinate in poor conditions. They then work with the plants that have passed the first stage. This selection process guarantees that the individual's Heavyweight work with will produce seeds that can germinate anywhere.

The philosophy of Heavyweight Seeds is simple; they only breed strains with high production (flowers and resin) and strong effects. If a grower wants a product of the highest quality and bountiful crops, they needn’t look any further than the Heavyweight Seeds range.

The library of seeds that Heavyweight Seeds has created is expanding all of the time but some of their classic, original strains remain favourites with their customers. Their 2Fast 2Vast is one of the most popular auto-flowering strains on the European market right now and is set to make waves in the USA soon. Regarding photoperiod strains, the delicious trio of Dream Machine, Fruit Punch and Strawberry Cake is the most popular and many customers return to Heavyweight Seeds to grab these strains in particular.

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  1. Heavyweight Seeds
    2 Fast 2 Vast Auto Feminised Seeds
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    Yield and quality combine in this indica-dominant auto strain. Learn More
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    Out of stock
  2. Heavyweight Seeds
    Budzilla Feminised Seeds
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    G13 x Haze strain with 22% THC. Learn More
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    Out of stock
  3. Heavyweight Seeds
    Champion Feminised Seeds
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    Ultimate Cheese strain. Learn More
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  4. Heavyweight Seeds
    Diesel Drift Feminised Seeds
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    Potent and productive sativa-dominant strain. Learn More
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  5. Heavyweight Seeds
    Dream Machine Feminised Seeds
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    Monster yields possible from short, bushy plants. Learn More
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  6. Heavyweight Seeds
    Extreme Impact Auto Feminised Seeds
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    Fast, potent strain with high yields and physical effect. Learn More
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  7. Heavyweight Seeds
    Fast and Vast Auto Feminised Seeds
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    Fast and potent auto strain with very good yields. Learn More
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  8. Heavyweight Seeds
    Fruit Punch Auto Feminised Seeds
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    Sweet, potent sativa-dominant auto strain. Learn More
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  9. Heavyweight Seeds
    Fruit Punch Feminised Seeds
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    Easy, productive and potent sativa dominant strain. Learn More
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  10. Heavyweight Seeds
    Fully Loaded Auto Feminised Seeds
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    Auto Skunk hybrid with great yields and high potency. Learn More
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  11. Heavyweight Seeds
    Goldmine Feminised Seeds
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    A really heavy duty indica-dominant marijuana strain. Learn More
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  12. Heavyweight Seeds
    Green Ninja Feminised Seeds
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    Low odour, indica-dominant strain with impressive yields. Learn More
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  13. Heavyweight Seeds
    High Density Auto Feminised Seeds
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    Fast, vigorous auto strain with very good yields. Learn More
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  14. Heavyweight Seeds
    Jackpot Auto Feminised Seeds
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    High quality Jack Herer/2 Fast 2 Vast hybrid strain. Learn More
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  15. Heavyweight Seeds
    K.O. Kush Feminised Seeds
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    Heavy-hitting indica-dominant strain. Learn More
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  16. Heavyweight Seeds
    Lemon Cake Feminised Seeds
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    Delicious strain with power and good harvests. Learn More
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  17. Heavyweight Seeds
    Massive Midget Auto Feminised Seeds
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    Smooth and creative smoke makes Massive Midget an inspired choice. Learn More
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  18. Heavyweight Seeds
    Midnight Mass Feminised Seeds
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    Powerful effect and good yields. Learn More
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  19. Heavyweight Seeds
    Money Bush Feminised Seeds
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    Compact, fast, powerful and bountiful indica-dominant strain. Learn More
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  20. Heavyweight Seeds
    Monster Profit Feminised Seeds
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    Very potent plant with top-notch yields. Learn More
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  21. Heavyweight Seeds
    Short And Sweet Auto Feminised Seeds
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    Trippy effect and large yields from this short auto strain. Learn More
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  22. Heavyweight Seeds
    Skunky Monkey Auto Feminised Seeds
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    Old-skool flavour from this Skunk based auto strain. Learn More
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  23. Heavyweight Seeds
    Strawberry Cake Auto Feminised Seeds
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    Auto-flowering version of Strawberry Cake producing good harvests of dense buds in a relatively short life-cycle. Learn More
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  24. Heavyweight Seeds
    Strawberry Cake Feminised Seeds
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    Flavoursome and hard-hitting indica-dominant strain. Learn More
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  25. Heavyweight Seeds
    Superb OG Feminised Seeds
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    A Superb OG strain. Learn More
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  26. Heavyweight Seeds
    Total Paralysis Feminised Seeds
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    Potent sativa-dominant strain with high yields. Learn More
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  27. Heavyweight Seeds
    Tropic Punch Feminised Seeds
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    Abundant harvests and very high THC from this easy-to-grow indica-dominant plant. Learn More
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  28. Heavyweight Seeds
    Turbo Bud Auto Feminised Seeds
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    Auto strain combining Brazilian, Indian and Afghani genetics. Learn More
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  29. Heavyweight Seeds
    Waist Deep Auto Feminised Seeds
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    Fast and potent auto strain. Learn More
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  30. Heavyweight Seeds
    Wipeout Express Auto Feminised Seeds
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    Powerful 90% indica auto strain with a couch-lock effect. Learn More
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30 Items

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