Regardless of what kind of cannabis seeds you choose to plant, there are a couple of things to look out for to ensure that they are ready and capable of germination. Your little plants should pop out of the soil within a few days. Best Cannabis Seed Banks First Look. Source: https://eastlink.tennisclub.co.nz/2013/06/15/the-green-path-navigating-cannabis-seed-selection-and-growth/