Green House Seeds is one of the first seed companies to cultivate marijuana in Holland commercially.
In 1986 they began their programme of multiplication of pedigree to develop new seed lines. The goal of Green House Seeds was to develop lines with the different flavours and to the effects stronger than the market provided the consumer.

The stocks of Green House Seeds were developed using the last methods of culture: substrates, climatic control, nutritive formulas adapted to the mode of culture.