Differences Between the Varieties And Strains Of Weed

A basic explanation covering why there are so many different strains of cannabis and where it all comes from. The Seed Banks I have experience with and recommend are:

True North Seed Bank: http://truenorthseedbank.com/… (Located in Canada) Seedsman: https://www.seedsman.com/…/cannabis-s…/…(Located in Europe)

Both of these seed banks offer shipping throughout the world.