- You will get 5000 Seeds of Red Corn Poppy Papaver Rhoeas Flower Seeds. - Genus: Papaver. - 5000 RED CORN POPPY SEEDS – Papaver rhoeas - Papaver Rhoeas act as perennials in moderate climates, but they perform as annuals where freezing temperatures and snow occur in winter. - Poppies only need soil that is ordinary and moist, but well drained. - These varieties of poppy seeds generally germinate in about 20 days. - Red Corn Poppy and Shirley Poppy varieties can reach 2’ to 4’ in height at maturity with flowers up to 2” across. - It generally takes about 60 to 90 days for poppies to bloom after the seed is planted.