- You will get 3000 Seeds of Red Corn Poppy Papaver Rhoeas Flower Seeds. - Genus : Papaver. - 3000 Red Corn Poppy Seeds – Papaver rhoeas. - Red Corn Poppy seed can be planted in late autumn in colder climates or even in winter in warmer growing zones. - Annual/Perennial: Annual. - Color: Red. - Bloom Time: Early / Mid Season. - Height: 12 - 30 ". - Sun/Shade: Sun. - Zones: 3 - 9. - Poppies only need soil that is ordinary and moist, but well drained. The seeds should not be planted deeply; they just need to be covered with soil. The best method for planting is to mix one part seed with 5 parts sand and scatter over the prepared growing area. - These varieties of poppy seeds generally germinate in about 20 days. You can thin the seedlings to 6” to 8” apart after they emerge. - If planting in rows, then plant the seeds 6” to 8” apart. - Red Corn Poppy and Shirley Poppy varieties can reach 2’ to 4’ in height at maturity with flowers up to 2” across.