Any company with a strain named Alaskan Thunderf*ck is going to be a good one. Sagarmatha Seeds is a small seed bank based in Amsterdam, and its minimal roster means that the company can remain hands-on throughout the whole production process. From sourcing and cultivating to testing, Sagarmatha control every aspect of their seed production to ensure absolute quality, necessary purity and adequate potency. Its massive selection of strains are all known for their high potency, pungency and THC, and the breeders have gone on record as saying their strains give consumers “the highest cerebral views and physical sensations possible from cannabis.”