
AMS XTRM ® 25th Anniversary Combo
Kiyoh 8.2/10 from 8,372 shop reviews (Sep 30, 2026) · Read reviews
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- Sun-kissed genetics: most of our seeds are bred outdoors, under the full spectrum of natural sunlight
- Trusted seed bank since 1996 · about us
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- Delivered within 21 business days in Europe, 31 elsewhere, from shipment · FAQ
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- Growing problem? Tell us within 90 days of shipment · FAQ
Specifications
About AMS XTRM ® 25th Anniversary Combo
5 x AK47 XTRM ® Feminized Seeds
Sativa-dominant, the AK-47 XTRM fem strain is one of our proudest achievements. Having searched for the ultimate AK-47 strain for years, we were able to perfect our own feminized variety. The indoor yield is up to a whopping 700 grams per square meter, or even up to 1,000 grams if grown outdoors. THC levels range from 20 to 30%, so she packs a punch every time, truly living up to her name.
5 x AMS XTRM ® feminized Seeds
Covered with a juicy, sticky resin, our name-brand AMS XTRM fem seeds are the peak of stability and quality. Yielding up to 750 grams outdoors or 400 grams indoors, it provides a wild ride you can always count on. One of the most stable strains of our line, she can withstand strong sunlight and mighty wind. It’s even more mold and pest-resistant than many other strains, making it a worthwhile investment for many!
5 x Borderliner XTRM ® feminized Seeds
One of our more even hybrids, Borderliner XTRM has been one of our all-time best-selling seeds since its introduction back in 2013. An easy strain to grow, it takes just 7 to 9 weeks to flower indoors, where it can produce up to 750 grams. Outdoors, it can yield up to 900 grams, making it a powerhouse of an option.
5 x Northern Lights XTRM ® feminized Seeds
The perfect blend of 11 impressive genetics, Northern Lights XTRM is dominated by a tropical, sweet Indica. A delicate flower with moderate grow difficulty, it harvests best in the months of September and October, and it’s a sturdy strain here to stay.
5 x White Widow XTRM ® feminized Seeds
Stable, sturdy, valuable — there’s a lot to love about our White Widow XTRM. One of the strongest weed strains on the planet, it hits like a freight train with an intensity that’s hard to match. Its strength and decadence make it an easy best-seller, so we hope you enjoy it in our signature combo pack!














