This is a list of
cannabis seed companies. Some of these supply only
hempseed, that is, cultivars that produce low levels of
THC (allowable levels are determined by local regulation).
^Legros, Sandrine (2013). "Factors affecting the industrial production of hemp – experimental results from France". In Bouloc, Pierre (ed.). Hemp: Industrial Production and Uses. CAB books. p. 101.
ISBN9781845937935.
^"Kush Gets Serious", High Times, September 25, 2017, For well over two decades, Serious Seeds have been at the forefront of marijuana breeding. Founded in Amsterdam in 1995 by Simon, the company has won multiple Cannabis Cups and was one of the inaugural entrants in our High Times Seed Bank Hall of Fame back in 2007.