While they don t provide any germination guarantees, you can still expect high germination rates and yields per crop, according to customer reviews. White Haze Automatic. Doing this helps to loosen the shell as it becomes a little softer making it easier for the embryo to crack it open.  Source: <a href=https://www.ewpage.easywork.gr/2013/06/27/cultivate-your-oasis-a-guide-to-buying-and-growing-cannabis-seeds/>https://www.ewpage.easywork.gr/2013/06/27/cultivate-your-oasis-a-guide-to-buying-and-growing-cannabis-seeds/</a>