One way to increase the germination sprouting percentage of cannabis seeds is to store them in the refrigerator for a few weeks. The older the seed, the longer it takes for it to germinate. This is a super soil, that works especially well for growing Cannabis.  Source: <a href="https://www.wt-berger.at/weed-seeds-this-fall-means-more-weeds-subsequent-spring/" / rel="nofollow">https://www.wt-berger.at/weed-seeds-this-fall-means-more-weeds-subsequent-spring/</a>