A basic explanation covering why there are so many different strains of cannabis and where it all comes from.
If you are new to growing cannabis be sure to check out my Beginner’s General Overview here:
Where we cover all the basics you need to know before you start your first grow.
The Seed Banks I have experience with and recommend are:
True North Seed Bank: http://truenorthseedbank.com?a_id=59cacf0234039 (Located in Canada)
Seedsman: https://www.seedsman.com/en/cannabis-seeds/?a_aid=59cace7bccd9a (Located in Europe)
Both of these seed banks offer shipping throughout the world.