Simply Female Seeds took some of their best underground strains that had been passed around in cutting form throughout the northern expanses of the United Kingdom for 10 years or more. Having acquired some African/Asian Landrace strains that were producing some very uniform results, Simply Female used the males from these strains to pollinate their underground strains to attempt to transfer the best of both parents into the plants that resulted. After discarding some obvious failures and ensuring that results were as uniform as possible the 5 strains now on offer set themselves above the rest. These Dutch-bred weed seeds are, as the name confirms, feminized seeds. The Attitude Seedbank has these marijuana seeds for sale on the website.