Grow in borders, beds, and meadows, they also do well in containers. For bouquets, cut in early morning and singe the stem base with a flame to seal it before putting it in water. Grows about 18 inches tall, blooms profusely from June until first frost and is very easy to grow and will self-sow. Corn poppies are a favorite of gardeners in every state for rock gardens, flower beds, containers, and most anyplace that you want some easy color. Since poppies are self-sowing, if you allow them to go to seed you may only need to plant them once. 2000+ Quality seeds per order. Thank You! Papaver rhoeas. Annual. Spring, soil temp 70F+. SOW just under surface 4" apart. Keep moist. Germination 15-28 days. Thin to 12". Height 18" x 12" Wide. Medium water. Light fertilizer. Flowers are a red. Blooms from early summer through fall.