where does papaver somniferum grow
A Guide to Growing Hydroponic Poppies. The opium poppy, Papaver somniferum, has been cultivated by humans since prehistoric times. Today P. somniferum grows in gardens and wilds across much of the world, including the US and Europe; there is hardly a supermarket in world that does not sell its seeds. Guide to Growing Hydroponic Poppies. The opium poppy, Papaver somniferum, has been cultivated by humans since prehistoric times. Today P. somniferum grows in gardens and wilds across much of the world, including the US and Europe; there is hardly a supermarket in world that does not sell its seeds.