- You Will Get 1000 Seeds Of Red American Legion Poppy Corn Shirley Flanders Papaver Rhoeas Flower Seeds. - Description: - Name: Red Shirley Poppy. - Other Common Names: Flanders Poppy / Corn Poppy / American Legion Poppy. - Scientific Name: Papaver Rhoeas. - Color: Red With Black Centers. - Plant Seeds: Fall / Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 24 - 32". - Plant Spacing: 12 - 15". - Bloom Time: Mar – Sept. - Hardiness Zone: N/A (But Reseeds Itself Easily, So It Acts Like A Perennial In All Zones). - Light Requirements: Sun - Part Shade. - Soil & Water Preferences: Average – Dry.