Black Friday Cannabis Seeds
Updated November 10, 2026 by Amsterdam Marijuana Seeds
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Black Friday starts 20 November
Buy a 10-pack of one of these 6 strains and we add 10 more seeds of the same strain for free. You get 20 seeds and pay for 10.
The deal runs from 20 to 30 November 2026, until 23:59 CET.
Black Friday 2026 at Amsterdam Marijuana Seeds runs from 20 to 30 November. Six strains come with a 10+10 deal: buy a 10-pack of one of them and we add 10 more seeds of the same strain for free. That is 20 seeds for the price of 10. The offer ends on 30 November at 23:59 CET.
How the Black Friday 10+10 deal works
Pick one of the six strains on this page and choose the 10-pack on its product page. We add 10 more seeds of the same strain, so you receive 20 seeds and pay for 10. The deal is valid from 20 November 2026 and ends on 30 November 2026 at 23:59 CET.
The six strains in the deal
Four are feminized and two are autoflowers. Ghost Train XTRM feminized is listed at up to 28 percent THC with an average flowering time of 8 to 12 weeks. AMS Supreme feminized is listed at up to 23 percent THC and Gelato XTRM feminized at up to 25 percent, both with a fast flowering time of 6 to 10 weeks. Runtz feminized is listed at up to 23 percent THC and 6 to 10 weeks.
The two autoflowers are MOAB, Mother of All Buds, and White Widow autoflower. Both are listed at up to 23 percent THC with a fast flowering time of 6 to 10 weeks. The THC figures are "up to" numbers, and every product page shows the full details for that strain: plant size, climate, indoor yield and more.
Amsterdam seed bank since 1996
We have been an Amsterdam seed bank since 1996. If you want to compare the deal strains with the rest of the range first, browse our feminized seeds and autoflower seeds, or see what is in our current sale.
Frequently asked questions
Buy a 10-pack of one of the six Black Friday strains and we add 10 more seeds of the same strain for free. You get 20 seeds and pay for 10.
