Ferry-Morse 1940 Zinnia Flower Seeds, Giant Double, Mixed Colors (2 Gram Packet) This Ferry-Morse seed packet contains a zinnia giant flower mix which blooms annually These flowers bloom from mid-summer until frost; guaranteed to grow Plant height: 2 1/2-foot; 35-60 days to bloom Plant 1/4-inch deep, space plants 12-inch apart; grows best in full sun Includes one, 2-gram packet