Just discovered an opium poppy plant in my yard in Chicago???? : r plants Opium Poppy Opium poppies (Papaver somniferum) growing like weeds on my allotment very excited to forage the seeds. I have sunflowers and pumpkins too so we should get a good seed mix come How is heroin made? Ask Our Doctors (by JourneyPure) Saving Seeds: How to Collect and Store Poppy Seeds Development of a Method to Extract Opium Poppy (Papaver somniferum L.) DNA from Heroin Scientific Reports